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Refactor: Standardized filler inputs and improved source accessibility

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  1. .gitattributes +420 -0
  2. October1.xlsx +0 -0
  3. README.md +12 -0
  4. app.py +1341 -0
  5. download_logic.py +13 -0
  6. paper_list.csv +131 -0
  7. papers/1-s2.0-S095006181732278X-main.pdf +3 -0
  8. papers/1-s2.0-S0950061820330786-main.pdf +3 -0
  9. papers/1-s2.0-S1359836816316882-main.pdf +3 -0
  10. papers/1-s2.0-S2090447920301593-main.pdf +3 -0
  11. papers/2011-EffectofSpecimenSizeonStaticStrengthandDIFofHSCfromSHPBTest.pdf +3 -0
  12. papers/Capacitance-based stress self-sensing in cement paste without requiring any admixture.pdf +3 -0
  13. papers/Capacitive compressive stress self-sensing behavior of cement mortar and its dependence on the thickness.pdf +3 -0
  14. papers/Carbon fiber reinforced cement improved by using silane-treated carbon fibers.pdf +0 -0
  15. papers/Development of self-sensing ultra-high-performance concrete using hybrid carbon black and carbon nanofibers.pdf +3 -0
  16. papers/Development of sensing concrete Principles, properties and its applications.pdf +3 -0
  17. papers/EVALUA~1.PDF +3 -0
  18. papers/Effect of silane treatment on microstructure of sisal fibers.pdf +3 -0
  19. papers/Graphene family (GFMs), carbon nanotubes (CNTs) and carbon black (CB) on smart materials for civil construction.pdf +3 -0
  20. papers/Influence of the structures of polycarboxylate superplasticizer on its performance in cement-based materials-A review.pdf +3 -0
  21. papers/Investigating the synergistic effects of carbon fiber and silica fume on concrete strength and eco-efficiency.pdf +3 -0
  22. papers/Investigation of 3D Printed Self-Sensing UHPC Composites Using Graphite and Hybrid Carbon Microfibers.pdf +3 -0
  23. papers/Ozone treatment of carbon fiber for reinforcing cement.pdf +3 -0
  24. papers/PIEZOE~1.PDF +3 -0
  25. papers/Performance of silica fume slurry treated recycled aggregate concrete reinforced with carbon fibers.pdf +3 -0
  26. papers/Piezopermittivity for capacitance-based strain stress sensing.pdf +3 -0
  27. papers/Review Improving cement-based materials by using silica fume.pdf +3 -0
  28. papers/Revolutionizing infrastructure The evolving landscape of electricity-based multifunctional concrete from concept to practice.pdf +3 -0
  29. papers/S1-An-experimental-study-of-self-sensing-concrete-enhanced_2020_Construction-an.pdf +3 -0
  30. papers/S10-Enhancing-self-stress-sensing-ability-of-smart-ultra-high_2021_Journal-of-Bu.pdf +3 -0
  31. papers/S100-C~1.PDF +3 -0
  32. papers/S11-Environment-Friendly, Self-Sensing Concrete Blended with Byproduct Wastes.pdf +3 -0
  33. papers/S12-Hybrid-effects-of-steel-fiber-and-carbon-nanotube-on-s_2018_Construction-and.pdf +3 -0
  34. papers/S13-Increasing-self-sensing-capability-of-carbon-nanotubes-c_2020_Construction-a.pdf +3 -0
  35. papers/S14-Influence-of-carbon-nanofiber-content-and-sodium-chloride-_2019_Case-Studies.pdf +3 -0
  36. papers/S15-Influence-of-water-ingress-on-the-electrical-properties-_2021_Journal-of-Bui.pdf +3 -0
  37. papers/S16-Investigations-on-scalable-fabrication-procedures-for-sel_2016_Cement-and-Co.pdf +3 -0
  38. papers/S17-Cross tension and compression loading and large-scale testing of strain and damage sensing smart concrete.pdf +3 -0
  39. papers/S18-Nano graphite platelets-enabled piezoresistive cementitious composites for structural health monitoring.pdf +3 -0
  40. papers/S19-Self-sensing-piezoresistive-cement-composite-loaded_2017_Cement-and-Concrete.pdf +3 -0
  41. papers/S2-Characterization-of-smart-brass-fiber-reinforced-co_2020_Construction-and-Bu.pdf +3 -0
  42. papers/S20-IN~1.PDF +3 -0
  43. papers/S21-Mechanical, electrical and self-sensing properties of cementitious mortars containing short carbon fibers.pdf +3 -0
  44. papers/S22-Improved strain sensing properties of cement-based sensors through enhanced carbon nanotube dispersion.pdf +3 -0
  45. papers/S23-Increasing self-sensing capability of carbon nanotubes cement-based materials by simultaneous addition of Ni nanofibers.pdf +3 -0
  46. papers/S24-Multifunctional-self-sensing-and-ductile-cementit_2019_Cement-and-Concrete-R.pdf +3 -0
  47. papers/S25-Self-sensing-capability-of-ultra-high-performance-concr_2018_Sensors-and-Act.pdf +3 -0
  48. papers/S26-TE~1.PDF +3 -0
  49. papers/S27-Effect of aspect ratio on strain sensing capacity of carbon fiber reinforced cement composites.pdf +3 -0
  50. papers/S28-Smart Graphite–Cement Composites with Low Percolation Threshold.pdf +3 -0
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94
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96
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97
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98
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99
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107
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109
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110
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111
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112
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113
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114
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115
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116
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119
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120
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121
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122
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123
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126
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127
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128
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133
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134
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135
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137
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138
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143
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145
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154
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156
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+ papers/S2-Characterization-of-smart-brass-fiber-reinforced-co_2020_Construction-and-Bu.pdf filter=lfs diff=lfs merge=lfs -text
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+ papers/S24-Multifunctional-self-sensing-and-ductile-cementit_2019_Cement-and-Concrete-R.pdf filter=lfs diff=lfs merge=lfs -text
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+ papers/S28-Smart[[:space:]]Graphite–Cement[[:space:]]Composites[[:space:]]with[[:space:]]Low[[:space:]]Percolation[[:space:]]Threshold.pdf filter=lfs diff=lfs merge=lfs -text
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+ papers/S37-Test[[:space:]]and[[:space:]]Study[[:space:]]on[[:space:]]Electrical[[:space:]]Property[[:space:]]of[[:space:]]Conductive[[:space:]]Concrete.pdf filter=lfs diff=lfs merge=lfs -text
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+ papers/S38[[:space:]]-[[:space:]]Electrical-resistance-based[[:space:]]Sensing[[:space:]]of[[:space:]]Impact[[:space:]][[:space:]]Damage[[:space:]]in[[:space:]]Carbon[[:space:]]Fiber[[:space:]]Reinforced[[:space:]]Cement-based[[:space:]]Materials.pdf filter=lfs diff=lfs merge=lfs -text
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+ papers/S39[[:space:]]-[[:space:]]Electrical[[:space:]]conductivity[[:space:]]of[[:space:]]self-monitoring[[:space:]]CFRC.pdf filter=lfs diff=lfs merge=lfs -text
349
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+ papers/S40[[:space:]]-[[:space:]]Resistance[[:space:]]Changes[[:space:]]during[[:space:]]Compression[[:space:]]of[[:space:]]Carbon[[:space:]]Fiber[[:space:]]Cement[[:space:]]COmposites.pdf filter=lfs diff=lfs merge=lfs -text
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+ papers/S41[[:space:]]-[[:space:]]Electrical-resistance-based[[:space:]]damage[[:space:]]self-sensing[[:space:]]in[[:space:]]carbon[[:space:]]fiber[[:space:]]reinforced[[:space:]]cement.pdf filter=lfs diff=lfs merge=lfs -text
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+ papers/Self-sensing[[:space:]]enhancement[[:space:]]in[[:space:]]smart[[:space:]]ultra-high[[:space:]]performance[[:space:]]concrete[[:space:]]composites[[:space:]]via[[:space:]]multi-scale[[:space:]]carbon[[:space:]]black.pdf filter=lfs diff=lfs merge=lfs -text
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+ papers/Self-sensing[[:space:]]performance[[:space:]]of[[:space:]]cementitious[[:space:]]composites[[:space:]]with[[:space:]]functional[[:space:]]fillers[[:space:]]at[[:space:]]macro,[[:space:]]micro[[:space:]]and[[:space:]]nano[[:space:]]scales.pdf filter=lfs diff=lfs merge=lfs -text
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+ papers/Self‐Sensing[[:space:]]Cementitious[[:space:]]Composites[[:space:]]with[[:space:]]Hierarchical[[:space:]]Carbon[[:space:]]Fiber‐Carbon[[:space:]]Nanotube[[:space:]]Composite[[:space:]]Fillers.pdf filter=lfs diff=lfs merge=lfs -text
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+ papers/Silane[[:space:]]treatment[[:space:]]of[[:space:]]bagasse[[:space:]]fiber[[:space:]]for[[:space:]]reinforcement[[:space:]]of[[:space:]]cementitious[[:space:]]composites.pdf filter=lfs diff=lfs merge=lfs -text
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+ papers/The[[:space:]]effect[[:space:]]of[[:space:]]silane[[:space:]]surface[[:space:]]treatment[[:space:]]on[[:space:]]the[[:space:]]mechanical[[:space:]]properties[[:space:]]of[[:space:]]UHPFRC.pdf filter=lfs diff=lfs merge=lfs -text
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+ ---
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+ title: Final
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+ emoji: 🏢
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+ colorFrom: indigo
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+ colorTo: gray
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+ sdk: gradio
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+ sdk_version: 5.49.1
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+ app_file: app.py
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+ ---
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+ Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
app.py ADDED
@@ -0,0 +1,1341 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ # ================================================================
2
+ # Self-Sensing Concrete Assistant — Predictor (XGB) + Hybrid RAG
3
+ # - Uses local 'papers/' folder for literature
4
+ # - Robust MMR sentence selection (no list index errors)
5
+ # - Predictor: safe model caching + safe feature alignment
6
+ # - Stable categoricals ("NA"); no over-strict completeness gate
7
+ # - Lightweight instrumentation (JSONL logs per RAG turn)
8
+ # - Dark-blue theme + Evaluate tab + k-slider styling
9
+ # - Citations use SHORT CODES (e.g., S71, S92) from filenames
10
+ # ================================================================
11
+
12
+ # ---------------------- Runtime flags (HF-safe) ----------------------
13
+ import os
14
+ os.environ["TRANSFORMERS_NO_TF"] = "1"
15
+ os.environ["TRANSFORMERS_NO_FLAX"] = "1"
16
+ os.environ["TOKENIZERS_PARALLELISM"] = "false"
17
+
18
+ # ------------------------------- Imports ------------------------------
19
+ import re, joblib, warnings, json, traceback, time, uuid, subprocess, sys
20
+ from pathlib import Path
21
+ from typing import List, Dict, Any, Optional
22
+
23
+ import numpy as np
24
+ import pandas as pd
25
+ import gradio as gr
26
+
27
+ warnings.filterwarnings("ignore", category=UserWarning)
28
+
29
+ # Optional deps (handled gracefully if missing)
30
+ USE_DENSE = True
31
+ try:
32
+ from sentence_transformers import SentenceTransformer
33
+ except Exception:
34
+ USE_DENSE = False
35
+
36
+ try:
37
+ from rank_bm25 import BM25Okapi
38
+ except Exception:
39
+ BM25Okapi = None
40
+ print("rank_bm25 not installed; BM25 disabled (TF-IDF still works).")
41
+
42
+ # Optional OpenAI (for LLM synthesis)
43
+ OPENAI_API_KEY = os.getenv("OPENAI_API_KEY")
44
+ OPENAI_MODEL = os.getenv("OPENAI_MODEL", "gpt-5")
45
+ try:
46
+ from openai import OpenAI
47
+ except Exception:
48
+ OpenAI = None
49
+
50
+ # LLM availability flag — used internally; UI remains hidden
51
+ LLM_AVAILABLE = (OPENAI_API_KEY is not None and OPENAI_API_KEY.strip() != "" and OpenAI is not None)
52
+
53
+ # ========================= Predictor (kept) =========================
54
+ CF_COL = "Conductive Filler Conc. (wt%)"
55
+ TARGET_COL = "Stress GF (MPa-1)"
56
+ CANON_NA = "NA" # canonical placeholder for categoricals
57
+
58
+ TYPE_CHOICES = [
59
+ "CNT",
60
+ "Brass fiber",
61
+ "GNP",
62
+ "Steel fiber",
63
+ "Carbon fiber",
64
+ "Graphene oxide",
65
+ "Graphene",
66
+ "Carbon black",
67
+ "Graphite",
68
+ "Shungite",
69
+ "Nickel powder",
70
+ "Glass cullet",
71
+ "MWCNT",
72
+ "Nano carbon black",
73
+ "Carbon powder",
74
+ "Gasification char",
75
+ "Used foundry sand",
76
+ "Nickel fiber",
77
+ "Nickel aggregate",
78
+ "Steel slag aggregate",
79
+ "TiO2",
80
+ "Carbonyl iron powder",
81
+ "Magnetite aggregate",
82
+ CANON_NA
83
+ ]
84
+
85
+ MAIN_VARIABLES = [
86
+ "Filler 1 Type",
87
+ "Filler 1 Diameter (µm)",
88
+ "Filler 1 Length (mm)",
89
+ CF_COL,
90
+ "Filler 1 Dimensionality",
91
+ "Filler 2 Type",
92
+ "Filler 2 Diameter (µm)",
93
+ "Filler 2 Length (mm)",
94
+ "Filler 2 Dimensionality",
95
+ "Specimen Volume (mm3)",
96
+ "Probe Count",
97
+ "Probe Material",
98
+ "W/B",
99
+ "S/B",
100
+ "Gauge Length (mm)",
101
+ "Curing Condition",
102
+ "Number of Fillers",
103
+ "Drying Temperature (°C)",
104
+ "Drying Duration (hr)",
105
+ "Loading Rate (MPa/s)",
106
+ "Modulus of Elasticity (GPa)",
107
+ "Current Type",
108
+ "Applied Voltage (V)"
109
+ ]
110
+
111
+ NUMERIC_COLS = {
112
+ "Filler 1 Diameter (µm)",
113
+ "Filler 1 Length (mm)",
114
+ CF_COL,
115
+ "Filler 2 Diameter (µm)",
116
+ "Filler 2 Length (mm)",
117
+ "Specimen Volume (mm3)",
118
+ "Probe Count",
119
+ "W/B",
120
+ "S/B",
121
+ "Gauge Length (mm)",
122
+ "Number of Fillers",
123
+ "Drying Temperature (°C)",
124
+ "Drying Duration (hr)",
125
+ "Loading Rate (MPa/s)",
126
+ "Modulus of Elasticity (GPa)",
127
+ "Applied Voltage (V)"
128
+ }
129
+
130
+ CATEGORICAL_COLS = {
131
+ "Filler 1 Type",
132
+ "Filler 1 Dimensionality",
133
+ "Filler 2 Type",
134
+ "Filler 2 Dimensionality",
135
+ "Probe Material",
136
+ "Curing Condition",
137
+ "Current Type"
138
+ }
139
+
140
+ DIM_CHOICES = ["0D", "1D", "2D", "3D", CANON_NA]
141
+ CURRENT_CHOICES = ["DC", "AC", CANON_NA]
142
+
143
+ MODEL_CANDIDATES = [
144
+ "stress_gf_xgb.joblib",
145
+ "models/stress_gf_xgb.joblib",
146
+ "/home/user/app/stress_gf_xgb.joblib",
147
+ os.getenv("MODEL_PATH", "")
148
+ ]
149
+
150
+ # ---------- Model caching + status ----------
151
+ MODEL = None
152
+ MODEL_STATUS = "🔴 Model not loaded"
153
+
154
+ def _try_load_model():
155
+ global MODEL, MODEL_STATUS
156
+ for p in [x for x in MODEL_CANDIDATES if x]:
157
+ if os.path.exists(p):
158
+ try:
159
+ MODEL = joblib.load(p)
160
+ MODEL_STATUS = f"🟢 Loaded model: {Path(p).name}"
161
+ print("[ModelLoad] Loaded:", p)
162
+ return
163
+ except Exception as e:
164
+ print(f"[ModelLoad] Error from {p}: {e}")
165
+ traceback.print_exc()
166
+ MODEL = None
167
+ if MODEL is None:
168
+ MODEL_STATUS = "🔴 Model not found (place stress_gf_xgb.joblib at repo root or models/, or set MODEL_PATH)"
169
+ print("[ModelLoad]", MODEL_STATUS)
170
+
171
+ _try_load_model() # load at import time
172
+
173
+ def _canon_cat(v: Any) -> str:
174
+ """Stable, canonical category placeholder normalization."""
175
+ if v is None:
176
+ return CANON_NA
177
+ s = str(v).strip()
178
+ if s == "" or s.upper() in {"N/A", "NONE", "NULL"}:
179
+ return CANON_NA
180
+ return s
181
+
182
+ def _to_float_or_nan(v):
183
+ if v in ("", None):
184
+ return np.nan
185
+ try:
186
+ return float(str(v).replace(",", ""))
187
+ except Exception:
188
+ return np.nan
189
+
190
+ def _coerce_to_row(form_dict: dict) -> pd.DataFrame:
191
+ row = {}
192
+ for col in MAIN_VARIABLES:
193
+ v = form_dict.get(col, None)
194
+ if col in NUMERIC_COLS:
195
+ row[col] = _to_float_or_nan(v)
196
+ elif col in CATEGORICAL_COLS:
197
+ row[col] = _canon_cat(v)
198
+ else:
199
+ s = str(v).strip() if v is not None else ""
200
+ row[col] = s if s else CANON_NA
201
+ return pd.DataFrame([row], columns=MAIN_VARIABLES)
202
+
203
+ def _align_columns_to_model(df: pd.DataFrame, mdl) -> pd.DataFrame:
204
+ """
205
+ SAFE alignment:
206
+ - If mdl.feature_names_in_ exists AND is a subset of df.columns (raw names), reorder to it.
207
+ - Else, try a Pipeline step (e.g., 'preprocessor') with feature_names_in_ subset of df.columns.
208
+ - Else, DO NOT align (let the pipeline handle columns by name).
209
+ """
210
+ try:
211
+ feat = getattr(mdl, "feature_names_in_", None)
212
+ if isinstance(feat, (list, np.ndarray, pd.Index)):
213
+ feat = list(feat)
214
+ if all(c in df.columns for c in feat):
215
+ return df[feat]
216
+
217
+ if hasattr(mdl, "named_steps"):
218
+ for key in ["preprocessor", "columntransformer"]:
219
+ if key in mdl.named_steps:
220
+ step = mdl.named_steps[key]
221
+ feat2 = getattr(step, "feature_names_in_", None)
222
+ if isinstance(feat2, (list, np.ndarray, pd.Index)):
223
+ feat2 = list(feat2)
224
+ if all(c in df.columns for c in feat2):
225
+ return df[feat2]
226
+ # fallback to first step if it exposes input names
227
+ try:
228
+ first_key = list(mdl.named_steps.keys())[0]
229
+ step = mdl.named_steps[first_key]
230
+ feat3 = getattr(step, "feature_names_in_", None)
231
+ if isinstance(feat3, (list, np.ndarray, pd.Index)):
232
+ feat3 = list(feat3)
233
+ if all(c in df.columns for c in feat3):
234
+ return df[feat3]
235
+ except Exception:
236
+ pass
237
+
238
+ return df
239
+ except Exception as e:
240
+ print(f"[Align] Skip aligning due to: {e}")
241
+ traceback.print_exc()
242
+ return df
243
+
244
+ def predict_fn(**kwargs):
245
+ """
246
+ Always attempt prediction.
247
+ - Missing numerics -> NaN (imputer handles)
248
+ - Categoricals -> 'NA'
249
+ - If model missing or inference error -> 0.0 (keeps UI stable)
250
+ """
251
+ if MODEL is None:
252
+ return 0.0
253
+ X_new = _coerce_to_row(kwargs)
254
+ X_new = _align_columns_to_model(X_new, MODEL)
255
+ try:
256
+ y_raw = MODEL.predict(X_new) # log1p or original scale depending on training
257
+ if getattr(MODEL, "target_is_log1p_", False):
258
+ y = np.expm1(y_raw)
259
+ else:
260
+ y = y_raw
261
+ y = float(np.asarray(y).ravel()[0])
262
+ return max(y, 0.0)
263
+ except Exception as e:
264
+ print(f"[Predict] {e}")
265
+ traceback.print_exc()
266
+ return 0.0
267
+
268
+ EXAMPLE = {
269
+ "Filler 1 Type": "CNT",
270
+ "Filler 1 Dimensionality": "1D",
271
+ "Filler 1 Diameter (µm)": 0.02,
272
+ "Filler 1 Length (mm)": 1.2,
273
+ CF_COL: 0.5,
274
+ "Filler 2 Type": "",
275
+ "Filler 2 Dimensionality": CANON_NA,
276
+ "Filler 2 Diameter (µm)": None,
277
+ "Filler 2 Length (mm)": None,
278
+ "Specimen Volume (mm3)": 1000,
279
+ "Probe Count": 2,
280
+ "Probe Material": "Copper",
281
+ "W/B": 0.4,
282
+ "S/B": 2.5,
283
+ "Gauge Length (mm)": 20,
284
+ "Curing Condition": "28d water, 20°C",
285
+ "Number of Fillers": 1,
286
+ "Drying Temperature (°C)": 60,
287
+ "Drying Duration (hr)": 24,
288
+ "Loading Rate (MPa/s)": 0.1,
289
+ "Modulus of Elasticity (GPa)": 25,
290
+ "Current Type": "DC",
291
+ "Applied Voltage (V)": 5.0,
292
+ }
293
+
294
+ def _fill_example():
295
+ return [EXAMPLE.get(k, None) for k in MAIN_VARIABLES]
296
+
297
+ def _clear_all():
298
+ cleared = []
299
+ for col in MAIN_VARIABLES:
300
+ if col in NUMERIC_COLS:
301
+ cleared.append(None)
302
+ elif col in {"Filler 1 Dimensionality", "Filler 2 Dimensionality"}:
303
+ cleared.append(CANON_NA)
304
+ elif col == "Current Type":
305
+ cleared.append(CANON_NA)
306
+ else:
307
+ cleared.append("")
308
+ return cleared
309
+
310
+ # ========================= Hybrid RAG =========================
311
+ ARTIFACT_DIR = Path("rag_artifacts"); ARTIFACT_DIR.mkdir(exist_ok=True)
312
+ TFIDF_VECT_PATH = ARTIFACT_DIR / "tfidf_vectorizer.joblib"
313
+ TFIDF_MAT_PATH = ARTIFACT_DIR / "tfidf_matrix.joblib"
314
+ BM25_TOK_PATH = ARTIFACT_DIR / "bm25_tokens.joblib"
315
+ EMB_NPY_PATH = ARTIFACT_DIR / "chunk_embeddings.npy"
316
+ RAG_META_PATH = ARTIFACT_DIR / "chunks.parquet"
317
+
318
+ LOCAL_PDF_DIR = Path("papers"); LOCAL_PDF_DIR.mkdir(exist_ok=True)
319
+ USE_ONLINE_SOURCES = os.getenv("USE_ONLINE_SOURCES", "false").lower() == "true"
320
+
321
+ W_TFIDF_DEFAULT = 0.50 if not USE_DENSE else 0.30
322
+ W_BM25_DEFAULT = 0.50 if not USE_DENSE else 0.30
323
+ W_EMB_DEFAULT = 0.00 if USE_DENSE is False else 0.40
324
+
325
+ _SENT_SPLIT_RE = re.compile(r"(?<=[.!?])\s+|\n+")
326
+ TOKEN_RE = re.compile(r"[A-Za-z0-9_#+\-/\.%]+")
327
+ def sent_split(text: str) -> List[str]:
328
+ sents = [s.strip() for s in _SENT_SPLIT_RE.split(text) if s.strip()]
329
+ return [s for s in sents if len(s.split()) >= 5]
330
+ def tokenize(text: str) -> List[str]:
331
+ return [t.lower() for t in TOKEN_RE.findall(text)]
332
+
333
+ def _extract_pdf_text(pdf_path: Path) -> str:
334
+ try:
335
+ import fitz
336
+ doc = fitz.open(pdf_path)
337
+ out = []
338
+ for i, page in enumerate(doc):
339
+ out.append(f"[[PAGE={i+1}]]\n{page.get_text('text') or ''}")
340
+ return "\n\n".join(out)
341
+ except Exception:
342
+ try:
343
+ from pypdf import PdfReader
344
+ reader = PdfReader(str(pdf_path))
345
+ out = []
346
+ for i, p in enumerate(reader.pages):
347
+ txt = p.extract_text() or ""
348
+ out.append(f"[[PAGE={i+1}]]\n{txt}")
349
+ return "\n\n".join(out)
350
+ except Exception as e:
351
+ print(f"PDF read error ({pdf_path}): {e}")
352
+ return ""
353
+
354
+ def chunk_by_sentence_windows(text: str, win_size=8, overlap=2) -> List[str]:
355
+ sents = sent_split(text)
356
+ chunks, step = [], max(1, win_size - overlap)
357
+ for i in range(0, len(sents), step):
358
+ window = sents[i:i+win_size]
359
+ if not window: break
360
+ chunks.append(" ".join(window))
361
+ return chunks
362
+
363
+ def _safe_init_st_model(name: str):
364
+ global USE_DENSE
365
+ if not USE_DENSE:
366
+ return None
367
+ try:
368
+ return SentenceTransformer(name)
369
+ except Exception as e:
370
+ print("Dense embeddings unavailable:", e)
371
+ USE_DENSE = False
372
+ return None
373
+
374
+ def build_or_load_hybrid(pdf_dir: Path):
375
+ # Build or load the hybrid retriever cache
376
+ have_cache = (TFIDF_VECT_PATH.exists() and TFIDF_MAT_PATH.exists()
377
+ and RAG_META_PATH.exists()
378
+ and (BM25_TOK_PATH.exists() or BM25Okapi is None)
379
+ and (EMB_NPY_PATH.exists() or not USE_DENSE))
380
+ if have_cache:
381
+ vectorizer = joblib.load(TFIDF_VECT_PATH)
382
+ X_tfidf = joblib.load(TFIDF_MAT_PATH)
383
+ meta = pd.read_parquet(RAG_META_PATH)
384
+ bm25_toks = joblib.load(BM25_TOK_PATH) if BM25Okapi is not None else None
385
+ emb = np.load(EMB_NPY_PATH) if (USE_DENSE and EMB_NPY_PATH.exists()) else None
386
+ return vectorizer, X_tfidf, meta, bm25_toks, emb
387
+
388
+ rows, all_tokens = [], []
389
+ pdf_paths = list(Path(pdf_dir).glob("**/*.pdf"))
390
+ print(f"Indexing PDFs in {pdf_dir} — found {len(pdf_paths)} files.")
391
+ for pdf in pdf_paths:
392
+ raw = _extract_pdf_text(pdf)
393
+ if not raw.strip():
394
+ continue
395
+ for i, ch in enumerate(chunk_by_sentence_windows(raw, win_size=8, overlap=2)):
396
+ rows.append({"doc_path": str(pdf), "chunk_id": i, "text": ch})
397
+ all_tokens.append(tokenize(ch))
398
+ if not rows:
399
+ meta = pd.DataFrame(columns=["doc_path", "chunk_id", "text"])
400
+ vectorizer = None; X_tfidf = None; emb = None; all_tokens = None
401
+ return vectorizer, X_tfidf, meta, all_tokens, emb
402
+
403
+ meta = pd.DataFrame(rows)
404
+ from sklearn.feature_extraction.text import TfidfVectorizer
405
+ vectorizer = TfidfVectorizer(
406
+ ngram_range=(1,2),
407
+ min_df=1, max_df=0.95,
408
+ sublinear_tf=True, smooth_idf=True,
409
+ lowercase=True,
410
+ token_pattern=r"(?u)\b\w[\w\-\./%+#]*\b"
411
+ )
412
+ X_tfidf = vectorizer.fit_transform(meta["text"].tolist())
413
+
414
+ emb = None
415
+ if USE_DENSE:
416
+ try:
417
+ st_model = _safe_init_st_model(os.getenv("EMB_MODEL_NAME", "sentence-transformers/all-MiniLM-L6-v2"))
418
+ if st_model is not None:
419
+ from sklearn.preprocessing import normalize as sk_normalize
420
+ em = st_model.encode(meta["text"].tolist(), batch_size=64, show_progress_bar=False, convert_to_numpy=True)
421
+ emb = sk_normalize(em)
422
+ np.save(EMB_NPY_PATH, emb)
423
+ except Exception as e:
424
+ print("Dense embedding failed:", e)
425
+ emb = None
426
+
427
+ joblib.dump(vectorizer, TFIDF_VECT_PATH)
428
+ joblib.dump(X_tfidf, TFIDF_MAT_PATH)
429
+ if BM25Okapi is not None:
430
+ joblib.dump(all_tokens, BM25_TOK_PATH)
431
+ meta.to_parquet(RAG_META_PATH, index=False)
432
+ return vectorizer, X_tfidf, meta, all_tokens, emb
433
+
434
+ tfidf_vectorizer, tfidf_matrix, rag_meta, bm25_tokens, emb_matrix = build_or_load_hybrid(LOCAL_PDF_DIR)
435
+ bm25 = BM25Okapi(bm25_tokens) if (BM25Okapi is not None and bm25_tokens is not None) else None
436
+ st_query_model = _safe_init_st_model(os.getenv("EMB_MODEL_NAME", "sentence-transformers/all-MiniLM-L6-v2"))
437
+
438
+ def _extract_page(text_chunk: str) -> str:
439
+ # Correct: [[PAGE=123]]
440
+ m = list(re.finditer(r"\[\[PAGE=(\d+)\]\]", text_chunk or ""))
441
+ return (m[-1].group(1) if m else "?")
442
+
443
+ def _short_doc_code(doc_path: str) -> str:
444
+ """
445
+ Turn a full filename like:
446
+ 'S92-Research-on-the-self-sensing-and-mechanical-properties-of_2021_Cement-and-Co.pdf'
447
+ into a short code:
448
+ 'S92'
449
+ For generic names, falls back to the first token of the stem.
450
+ """
451
+ if not doc_path:
452
+ return "Source"
453
+ name = Path(doc_path).name
454
+ stem = name.rsplit(".", 1)[0]
455
+ # Split on whitespace, hyphen, underscore
456
+ parts = re.split(r"[ \t\n\r\-_]+", stem)
457
+ for p in parts:
458
+ if p:
459
+ return p
460
+ return stem or "Source"
461
+
462
+ def hybrid_search(query: str, k=8, w_tfidf=W_TFIDF_DEFAULT, w_bm25=W_BM25_DEFAULT, w_emb=W_EMB_DEFAULT):
463
+ if rag_meta is None or rag_meta.empty:
464
+ return pd.DataFrame()
465
+
466
+ # Dense scores
467
+ if USE_DENSE and st_query_model is not None and emb_matrix is not None and w_emb > 0:
468
+ try:
469
+ from sklearn.preprocessing import normalize as sk_normalize
470
+ q_emb = st_query_model.encode([query], convert_to_numpy=True)
471
+ q_emb = sk_normalize(q_emb)[0]
472
+ dense_scores = emb_matrix @ q_emb
473
+ except Exception as e:
474
+ print("Dense query encoding failed:", e)
475
+ dense_scores = np.zeros(len(rag_meta), dtype=float); w_emb = 0.0
476
+ else:
477
+ dense_scores = np.zeros(len(rag_meta), dtype=float); w_emb = 0.0
478
+
479
+ # TF-IDF scores
480
+ if tfidf_vectorizer is not None and tfidf_matrix is not None:
481
+ q_vec = tfidf_vectorizer.transform([query])
482
+ tfidf_scores = (tfidf_matrix @ q_vec.T).toarray().ravel()
483
+ else:
484
+ tfidf_scores = np.zeros(len(rag_meta), dtype=float); w_tfidf = 0.0
485
+
486
+ # BM25 scores
487
+ if bm25 is not None:
488
+ q_tokens = [t.lower() for t in re.findall(r"[A-Za-z0-9_#+\-\/\.%]+", query)]
489
+ bm25_scores = np.array(bm25.get_scores(q_tokens), dtype=float)
490
+ else:
491
+ bm25_scores = np.zeros(len(rag_meta), dtype=float); w_bm25 = 0.0
492
+
493
+ def _norm(x):
494
+ x = np.asarray(x, dtype=float)
495
+ if np.allclose(x.max(), x.min()):
496
+ return np.zeros_like(x)
497
+ return (x - x.min()) / (x.max() - x.min())
498
+
499
+ s_dense = _norm(dense_scores)
500
+ s_tfidf = _norm(tfidf_scores)
501
+ s_bm25 = _norm(bm25_scores)
502
+
503
+ total_w = (w_tfidf + w_bm25 + w_emb) or 1.0
504
+ w_tfidf, w_bm25, w_emb = w_tfidf/total_w, w_bm25/total_w, w_emb/total_w
505
+
506
+ combo = w_emb * s_dense + w_tfidf * s_tfidf + w_bm25 * s_bm25
507
+ idx = np.argsort(-combo)[:k]
508
+ hits = rag_meta.iloc[idx].copy()
509
+ hits["score_dense"] = s_dense[idx]
510
+ hits["score_tfidf"] = s_tfidf[idx]
511
+ hits["score_bm25"] = s_bm25[idx]
512
+ hits["score"] = combo[idx]
513
+ return hits.reset_index(drop=True)
514
+
515
+ def split_sentences(text: str) -> List[str]:
516
+ sents = sent_split(text)
517
+ return [s for s in sents if 6 <= len(s.split()) <= 60]
518
+
519
+ def mmr_select_sentences(question: str, hits: pd.DataFrame, top_n=4, pool_per_chunk=6, lambda_div=0.7):
520
+ """
521
+ Robust MMR sentence picker:
522
+ - Handles empty pools
523
+ - Clamps top_n to pool size
524
+ - Avoids 'list index out of range'
525
+ """
526
+ # Build pool
527
+ pool = []
528
+ for _, row in hits.iterrows():
529
+ doc_code = _short_doc_code(row["doc_path"])
530
+ page = _extract_page(row["text"])
531
+ sents = split_sentences(row["text"])
532
+ if not sents:
533
+ continue
534
+ for s in sents[:max(1, int(pool_per_chunk))]:
535
+ pool.append({"sent": s, "doc": doc_code, "page": page})
536
+
537
+ if not pool:
538
+ return []
539
+
540
+ # Relevance vectors
541
+ sent_texts = [p["sent"] for p in pool]
542
+ use_dense = USE_DENSE and st_query_model is not None
543
+ try:
544
+ if use_dense:
545
+ from sklearn.preprocessing import normalize as sk_normalize
546
+ enc = st_query_model.encode([question] + sent_texts, convert_to_numpy=True)
547
+ q_vec = sk_normalize(enc[:1])[0]
548
+ S = sk_normalize(enc[1:])
549
+ rel = (S @ q_vec)
550
+ def sim_fn(i, j): return float(S[i] @ S[j])
551
+ else:
552
+ from sklearn.feature_extraction.text import TfidfVectorizer
553
+ vect = TfidfVectorizer().fit(sent_texts + [question])
554
+ Q = vect.transform([question]); S = vect.transform(sent_texts)
555
+ rel = (S @ Q.T).toarray().ravel()
556
+ def sim_fn(i, j):
557
+ num = (S[i] @ S[j].T)
558
+ return float(num.toarray()[0, 0]) if hasattr(num, "toarray") else float(num)
559
+ except Exception:
560
+ # Fallback: uniform relevance if vectorization fails
561
+ rel = np.ones(len(sent_texts), dtype=float)
562
+ def sim_fn(i, j): return 0.0
563
+
564
+ # Normalize lambda_div
565
+ lambda_div = float(np.clip(lambda_div, 0.0, 1.0))
566
+
567
+ # Select first by highest relevance
568
+ remain = list(range(len(pool)))
569
+ if not remain:
570
+ return []
571
+ first = int(np.argmax(rel))
572
+ selected_idx = [first]
573
+ selected = [pool[first]]
574
+ remain.remove(first)
575
+
576
+ # Clamp top_n
577
+ max_pick = min(int(top_n), len(pool))
578
+ while len(selected) < max_pick and remain:
579
+ cand_scores = []
580
+ for i in remain:
581
+ div_i = max(sim_fn(i, j) for j in selected_idx) if selected_idx else 0.0
582
+ score = lambda_div * float(rel[i]) - (1.0 - lambda_div) * div_i
583
+ cand_scores.append((score, i))
584
+ if not cand_scores:
585
+ break
586
+ cand_scores.sort(reverse=True)
587
+ _, best_i = cand_scores[0]
588
+ selected_idx.append(best_i)
589
+ selected.append(pool[best_i])
590
+ remain.remove(best_i)
591
+
592
+ return selected
593
+
594
+ def compose_extractive(selected: List[Dict[str, Any]]) -> str:
595
+ if not selected:
596
+ return ""
597
+ # Citations inside answer are short codes only, e.g. (S92), (S71)
598
+ return " ".join(f"{s['sent']} ({s['doc']})" for s in selected)
599
+
600
+ # ========================= NEW: Instrumentation helpers =========================
601
+ LOG_PATH = ARTIFACT_DIR / "rag_logs.jsonl"
602
+ OPENAI_IN_COST_PER_1K = float(os.getenv("OPENAI_COST_IN_PER_1K", "0"))
603
+ OPENAI_OUT_COST_PER_1K = float(os.getenv("OPENAI_COST_OUT_PER_1K", "0"))
604
+
605
+ def _safe_write_jsonl(path: Path, record: dict):
606
+ try:
607
+ with open(path, "a", encoding="utf-8") as f:
608
+ f.write(json.dumps(record, ensure_ascii=False) + "\n")
609
+ except Exception as e:
610
+ print("[Log] write failed:", e)
611
+
612
+ def _calc_cost_usd(prompt_toks, completion_toks):
613
+ if prompt_toks is None or completion_toks is None:
614
+ return None
615
+ return (prompt_toks / 1000.0) * OPENAI_IN_COST_PER_1K + (completion_toks / 1000.0) * OPENAI_OUT_COST_PER_1K
616
+
617
+ # ----------------- Modified to return (text, usage_dict) -----------------
618
+ def synthesize_with_llm(question: str, sentence_lines: List[str], model: str = None, temperature: float = 0.2):
619
+ if not LLM_AVAILABLE:
620
+ return None, None
621
+ client = OpenAI(api_key=OPENAI_API_KEY)
622
+ model = model or OPENAI_MODEL
623
+ SYSTEM_PROMPT = (
624
+ "You are a scientific assistant for self-sensing cementitious materials.\n"
625
+ "Answer STRICTLY using the provided sentences.\n"
626
+ "Do not invent facts. Keep it concise (3–6 sentences).\n"
627
+ "Retain inline citations exactly as given (e.g., (S92), (S92; S71))."
628
+ )
629
+ user_prompt = (
630
+ f"Question: {question}\n\n"
631
+ f"Use ONLY these sentences to answer; keep their inline citations:\n" +
632
+ "\n".join(f"- {s}" for s in sentence_lines)
633
+ )
634
+ try:
635
+ resp = client.responses.create(
636
+ model=model,
637
+ input=[
638
+ {"role": "system", "content": SYSTEM_PROMPT},
639
+ {"role": "user", "content": user_prompt},
640
+ ],
641
+ temperature=temperature,
642
+ )
643
+ out_text = getattr(resp, "output_text", None) or str(resp)
644
+ usage = None
645
+ try:
646
+ u = getattr(resp, "usage", None)
647
+ if u:
648
+ pt = getattr(u, "prompt_tokens", None) if hasattr(u, "prompt_tokens") else u.get("prompt_tokens", None)
649
+ ct = getattr(u, "completion_tokens", None) if hasattr(u, "completion_tokens") else u.get("completion_tokens", None)
650
+ usage = {"prompt_tokens": pt, "completion_tokens": ct}
651
+ except Exception:
652
+ usage = None
653
+ return out_text, usage
654
+ except Exception:
655
+ return None, None
656
+
657
+ def rag_reply(
658
+ question: str,
659
+ k: int = 8,
660
+ n_sentences: int = 4,
661
+ include_passages: bool = False,
662
+ use_llm: bool = False,
663
+ model: str = None,
664
+ temperature: float = 0.2,
665
+ strict_quotes_only: bool = False,
666
+ w_tfidf: float = W_TFIDF_DEFAULT,
667
+ w_bm25: float = W_BM25_DEFAULT,
668
+ w_emb: float = W_EMB_DEFAULT
669
+ ) -> str:
670
+ run_id = str(uuid.uuid4())
671
+ t0_total = time.time()
672
+ t0_retr = time.time()
673
+
674
+ # --- Retrieval ---
675
+ hits = hybrid_search(question, k=k, w_tfidf=w_tfidf, w_bm25=w_bm25, w_emb=w_emb)
676
+ t1_retr = time.time()
677
+ latency_ms_retriever = int((t1_retr - t0_retr) * 1000)
678
+
679
+ if hits is None or hits.empty:
680
+ final = "No indexed PDFs found. Upload PDFs to the 'papers/' folder and reload the Space."
681
+ record = {
682
+ "run_id": run_id,
683
+ "ts": int(time.time()*1000),
684
+ "inputs": {
685
+ "question": question, "top_k": int(k), "n_sentences": int(n_sentences),
686
+ "w_tfidf": float(w_tfidf), "w_bm25": float(w_bm25), "w_emb": float(w_emb),
687
+ "use_llm": bool(use_llm), "model": model, "temperature": float(temperature)
688
+ },
689
+ "retrieval": {"hits": [], "latency_ms_retriever": latency_ms_retriever},
690
+ "output": {"final_answer": final, "used_sentences": []},
691
+ "latency_ms_total": int((time.time()-t0_total)*1000),
692
+ "openai": None
693
+ }
694
+ _safe_write_jsonl(LOG_PATH, record)
695
+ return final
696
+
697
+ # Select sentences
698
+ selected = mmr_select_sentences(question, hits, top_n=int(n_sentences), pool_per_chunk=6, lambda_div=0.7)
699
+
700
+ # Header citations: short codes only, joined by '; ' (e.g., "S55; S71; S92")
701
+ from urllib.parse import quote
702
+
703
+
704
+
705
+ header_links = []
706
+ unique_codes = set()
707
+
708
+ for _, r in hits.head(6).iterrows():
709
+ doc_path = r["doc_path"]
710
+ filename = Path(doc_path).name
711
+ short_code = _short_doc_code(doc_path)
712
+
713
+ # ✅ Correct Gradio route is /file= (NOT /file/)
714
+ abs_pdf = (LOCAL_PDF_DIR / filename).resolve()
715
+ href = f"/file={quote('papers/' + filename)}"
716
+ link = f'<a href="/file={quote("papers/" + filename)}" target="_blank" rel="noopener noreferrer">{short_code}</a>'
717
+
718
+ if short_code not in unique_codes:
719
+ header_links.append(link)
720
+ unique_codes.add(short_code)
721
+
722
+ header_cites = "; ".join(header_links)
723
+
724
+ coverage_note = "" if len(unique_codes) >= 3 else (
725
+ f"\n\n> Note: Only {len(unique_codes)} unique source(s) contributed. "
726
+ "Add more PDFs or increase Top-K."
727
+ )
728
+
729
+ # Prepare retrieval list for logging (full filenames kept here)
730
+ retr_list = []
731
+ for _, r in hits.iterrows():
732
+ retr_list.append({
733
+ "doc": Path(r["doc_path"]).name,
734
+ "page": _extract_page(r["text"]),
735
+ "score_tfidf": float(r.get("score_tfidf", 0.0)),
736
+ "score_bm25": float(r.get("score_bm25", 0.0)),
737
+ "score_dense": float(r.get("score_dense", 0.0)),
738
+ "combo_score": float(r.get("score", 0.0)),
739
+ })
740
+
741
+ # Strict quotes only (no LLM)
742
+ if strict_quotes_only:
743
+ if not selected:
744
+ final = (
745
+ "**Quoted Passages:**\n\n---\n" +
746
+ "\n\n".join(hits['text'].tolist()[:2]) +
747
+ f"\n\n**Citations:** {header_cites}{coverage_note}"
748
+ )
749
+ else:
750
+ bullets = "\n- ".join(f"{s['sent']} ({s['doc']})" for s in selected)
751
+ final = f"**Quoted Passages:**\n- {bullets}\n\n**Citations:** {header_cites}{coverage_note}"
752
+ if include_passages:
753
+ final += "\n\n---\n" + "\n\n".join(hits['text'].tolist()[:2])
754
+
755
+ record = {
756
+ "run_id": run_id,
757
+ "ts": int(time.time()*1000),
758
+ "inputs": {
759
+ "question": question, "top_k": int(k), "n_sentences": int(n_sentences),
760
+ "w_tfidf": float(w_tfidf), "w_bm25": float(w_bm25), "w_emb": float(w_emb),
761
+ "use_llm": False, "model": None, "temperature": float(temperature)
762
+ },
763
+ "retrieval": {"hits": retr_list, "latency_ms_retriever": latency_ms_retriever},
764
+ "output": {
765
+ "final_answer": final,
766
+ "used_sentences": [{"sent": s["sent"], "doc": s["doc"], "page": s["page"]} for s in selected]
767
+ },
768
+ "latency_ms_total": int((time.time()-t0_total)*1000),
769
+ "openai": None
770
+ }
771
+ _safe_write_jsonl(LOG_PATH, record)
772
+ return final
773
+
774
+ # Extractive or LLM synthesis
775
+ extractive = compose_extractive(selected)
776
+ llm_usage = None
777
+ llm_latency_ms = None
778
+ if use_llm and selected:
779
+ # Lines already carry short-code citations, e.g. "... (S92)"
780
+ lines = [f"{s['sent']} ({s['doc']})" for s in selected]
781
+ t0_llm = time.time()
782
+ llm_text, llm_usage = synthesize_with_llm(question, lines, model=model, temperature=temperature)
783
+ t1_llm = time.time()
784
+ llm_latency_ms = int((t1_llm - t0_llm) * 1000)
785
+
786
+ if llm_text:
787
+ final = f"**Answer (LLM synthesis):** {llm_text}\n\n**Citations:** {header_cites}{coverage_note}"
788
+ if include_passages:
789
+ final += "\n\n---\n" + "\n\n".join(hits['text'].tolist()[:2])
790
+ else:
791
+ if not extractive:
792
+ final = (
793
+ f"**Answer:** Here are relevant passages.\n\n"
794
+ f"**Citations:** {header_cites}{coverage_note}\n\n---\n" +
795
+ "\n\n".join(hits['text'].tolist()[:2])
796
+ )
797
+ else:
798
+ final = f"**Answer:** {extractive}\n\n**Citations:** {header_cites}{coverage_note}"
799
+ if include_passages:
800
+ final += "\n\n---\n" + "\n\n".join(hits['text'].tolist()[:2])
801
+ else:
802
+ if not extractive:
803
+ final = (
804
+ f"**Answer:** Here are relevant passages.\n\n"
805
+ f"**Citations:** {header_cites}{coverage_note}\n\n---\n" +
806
+ "\n\n".join(hits['text'].tolist()[:2])
807
+ )
808
+ else:
809
+ final = f"**Answer:** {extractive}\n\n**Citations:** {header_cites}{coverage_note}"
810
+ if include_passages:
811
+ final += "\n\n---\n" + "\n\n".join(hits['text'].tolist()[:2])
812
+
813
+ # --------- Log full run ---------
814
+ prompt_toks = llm_usage.get("prompt_tokens") if llm_usage else None
815
+ completion_toks = llm_usage.get("completion_tokens") if llm_usage else None
816
+ cost_usd = _calc_cost_usd(prompt_toks, completion_toks)
817
+
818
+ total_ms = int((time.time() - t0_total) * 1000)
819
+ record = {
820
+ "run_id": run_id,
821
+ "ts": int(time.time()*1000),
822
+ "inputs": {
823
+ "question": question, "top_k": int(k), "n_sentences": int(n_sentences),
824
+ "w_tfidf": float(w_tfidf), "w_bm25": float(w_bm25), "w_emb": float(w_emb),
825
+ "use_llm": bool(use_llm), "model": model, "temperature": float(temperature)
826
+ },
827
+ "retrieval": {"hits": retr_list, "latency_ms_retriever": latency_ms_retriever},
828
+ "output": {
829
+ "final_answer": final,
830
+ "used_sentences": [{"sent": s['sent'], "doc": s['doc'], "page": s['page']} for s in selected]
831
+ },
832
+ "latency_ms_total": total_ms,
833
+ "latency_ms_llm": llm_latency_ms,
834
+ "openai": {
835
+ "prompt_tokens": prompt_toks,
836
+ "completion_tokens": completion_toks,
837
+ "cost_usd": cost_usd
838
+ } if use_llm else None
839
+ }
840
+ _safe_write_jsonl(LOG_PATH, record)
841
+ return final
842
+
843
+ def rag_chat_fn(message, history, top_k, n_sentences, include_passages,
844
+ use_llm, model_name, temperature, strict_quotes_only,
845
+ w_tfidf, w_bm25, w_emb):
846
+ if not message or not message.strip():
847
+ return "Ask a literature question (e.g., *How does CNT length affect gauge factor?*)"
848
+ try:
849
+ return rag_reply(
850
+ question=message,
851
+ k=int(top_k),
852
+ n_sentences=int(n_sentences),
853
+ include_passages=bool(include_passages),
854
+ use_llm=bool(use_llm),
855
+ model=(model_name or None),
856
+ temperature=float(temperature),
857
+ strict_quotes_only=bool(strict_quotes_only),
858
+ w_tfidf=float(w_tfidf),
859
+ w_bm25=float(w_bm25),
860
+ w_emb=float(w_emb),
861
+ )
862
+ except Exception as e:
863
+ return f"RAG error: {e}"
864
+
865
+ # ========================= UI (science-oriented styling) =========================
866
+ CSS = """
867
+ /* Science-oriented: crisp contrast + readable numerics */
868
+ * {font-family: ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;}
869
+ .gradio-container {
870
+ background: linear-gradient(135deg, #0b1020 0%, #0c2b1a 60%, #0a2b4d 100%) !important;
871
+ }
872
+ .card {background: rgba(255,255,255,0.06) !important; border: 1px solid rgba(255,255,255,0.14); border-radius: 12px;}
873
+ label {color: #e8f7ff !important; text-shadow: 0 1px 0 rgba(0,0,0,0.35); cursor: pointer;}
874
+ input[type="number"] {font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;}
875
+
876
+ /* Checkbox clickability fixes */
877
+ input[type="checkbox"], .gr-checkbox, .gr-checkbox > * { pointer-events: auto !important; }
878
+ .gr-checkbox label, .gr-check-radio label { pointer-events: auto !important; cursor: pointer; }
879
+ #rag-tab input[type="checkbox"] { accent-color: #60a5fa !important; }
880
+
881
+ /* RAG tab styling */
882
+ #rag-tab .block, #rag-tab .group, #rag-tab .accordion {
883
+ background: linear-gradient(160deg, #1f2937 0%, #14532d 55%, #0b3b68 100%) !important;
884
+ border-radius: 12px;
885
+ border: 1px solid rgba(255,255,255,0.14);
886
+ }
887
+ #rag-tab input, #rag-tab textarea, #rag-tab select, #rag-tab .scroll-hide, #rag-tab .chatbot textarea {
888
+ background: rgba(17, 24, 39, 0.85) !important;
889
+ border: 1px solid #60a5fa !important;
890
+ color: #e5f2ff !important;
891
+ }
892
+ #rag-tab input[type="range"] { accent-color: #22c55e !important; }
893
+ #rag-tab button { border-radius: 10px !important; font-weight: 600 !important; }
894
+ #rag-tab .chatbot {
895
+ background: rgba(15, 23, 42, 0.6) !important;
896
+ border: 1px solid rgba(148, 163, 184, 0.35) !important;
897
+ }
898
+ #rag-tab .message.user {
899
+ background: rgba(34, 197, 94, 0.15) !important;
900
+ border-left: 3px solid #22c55e !important;
901
+ }
902
+ #rag-tab .message.bot {
903
+ background: rgba(59, 130, 246, 0.15) !important;
904
+ border-left: 3px solid #60a5fa !important;
905
+ color: #eef6ff !important;
906
+ }
907
+
908
+ /* Evaluate tab dark/high-contrast styling */
909
+ #eval-tab .block, #eval-tab .group, #eval-tab .accordion {
910
+ background: linear-gradient(165deg, #0a0f1f 0%, #0d1a31 60%, #0a1c2e 100%) !important;
911
+ border-radius: 12px;
912
+ border: 1px solid rgba(139, 197, 255, 0.28);
913
+ }
914
+ #eval-tab label, #eval-tab .markdown, #eval-tab .prose, #eval-tab p, #eval-tab span {
915
+ color: #e6f2ff !important;
916
+ }
917
+ #eval-tab input, #eval-tab .gr-file, #eval-tab .scroll-hide, #eval-tab textarea, #eval-tab select {
918
+ background: rgba(8, 13, 26, 0.9) !important;
919
+ border: 1px solid #3b82f6 !important;
920
+ color: #dbeafe !important;
921
+ }
922
+ #eval-tab input[type="range"] { accent-color: #22c55e !important; }
923
+ #eval-tab button {
924
+ border-radius: 10px !important;
925
+ font-weight: 700 !important;
926
+ background: #0ea5e9 !important;
927
+ color: #001321 !important;
928
+ border: 1px solid #7dd3fc !important;
929
+ }
930
+ #eval-tab .gr-json, #eval-tab .markdown pre, #eval-tab .markdown code {
931
+ background: rgba(2, 6, 23, 0.85) !important;
932
+ color: #e2e8f0 !important;
933
+ border: 1px solid rgba(148, 163, 184, 0.3) !important;
934
+ border-radius: 10px !important;
935
+ }
936
+
937
+ /* Predictor output emphasis */
938
+ #pred-out .wrap { font-size: 20px; font-weight: 700; color: #ecfdf5; }
939
+
940
+ /* Tab header: darker blue theme for all tabs */
941
+ .gradio-container .tab-nav button[role="tab"] {
942
+ background: #0b1b34 !important;
943
+ color: #cfe6ff !important;
944
+ border: 1px solid #1e3a8a !important;
945
+ }
946
+ .gradio-container .tab-nav button[role="tab"][aria-selected="true"] {
947
+ background: #0e2a57 !important;
948
+ color: #e0f2fe !important;
949
+ border-color: #3b82f6 !important;
950
+ }
951
+
952
+ /* Evaluate tab: enforce dark-blue text for labels/marks */
953
+ #eval-tab .label,
954
+ #eval-tab label,
955
+ #eval-tab .gr-slider .label,
956
+ #eval-tab .wrap .label,
957
+ #eval-tab .prose,
958
+ #eval-tab .markdown,
959
+ #eval-tab p,
960
+ #eval-tab span {
961
+ color: #cfe6ff !important;
962
+ }
963
+
964
+ /* Target the specific k-slider label strongly */
965
+ #k-slider .label,
966
+ #k-slider label,
967
+ #k-slider .wrap .label {
968
+ color: #cfe6ff !important;
969
+ text-shadow: 0 1px 0 rgba(0,0,0,0.35);
970
+ }
971
+
972
+ /* Slider track/thumb (dark blue gradient + blue thumb) */
973
+ #eval-tab input[type="range"] {
974
+ accent-color: #3b82f6 !important;
975
+ }
976
+
977
+ /* WebKit */
978
+ #eval-tab input[type="range"]::-webkit-slider-runnable-track {
979
+ height: 6px;
980
+ background: linear-gradient(90deg, #0b3b68, #1e3a8a);
981
+ border-radius: 4px;
982
+ }
983
+ #eval-tab input[type="range"]::-webkit-slider-thumb {
984
+ -webkit-appearance: none;
985
+ appearance: none;
986
+ margin-top: -6px;
987
+ width: 18px; height: 18px;
988
+ background: #1d4ed8;
989
+ border: 1px solid #60a5fa;
990
+ border-radius: 50%;
991
+ }
992
+
993
+ /* Firefox */
994
+ #eval-tab input[type="range"]::-moz-range-track {
995
+ height: 6px;
996
+ background: linear-gradient(90deg, #0b3b68, #1e3a8a);
997
+ border-radius: 4px;
998
+ }
999
+ #eval-tab input[type="range"]::-moz-range-thumb {
1000
+ width: 18px; height: 18px;
1001
+ background: #1d4ed8;
1002
+ border: 1px solid #60a5fa;
1003
+ border-radius: 50%;
1004
+ }
1005
+
1006
+ /* ======== PATCH: Style the File + JSON outputs by ID ======== */
1007
+ #perq-file, #agg-file {
1008
+ background: rgba(8, 13, 26, 0.9) !important;
1009
+ border: 1px solid #3b82f6 !important;
1010
+ border-radius: 12px !important;
1011
+ padding: 8px !important;
1012
+ }
1013
+ #perq-file * , #agg-file * { color: #dbeafe !important; }
1014
+ #perq-file a, #agg-file a {
1015
+ background: #0e2a57 !important;
1016
+ color: #e0f2fe !important;
1017
+ border: 1px solid #60a5fa !important;
1018
+ border-radius: 8px !important;
1019
+ padding: 6px 10px !important;
1020
+ text-decoration: none !important;
1021
+ }
1022
+ #perq-file a:hover, #agg-file a:hover {
1023
+ background: #10356f !important;
1024
+ border-color: #93c5fd !important;
1025
+ }
1026
+ /* File preview wrappers (covers multiple Gradio render modes) */
1027
+ #perq-file .file-preview, #agg-file .file-preview,
1028
+ #perq-file .wrap, #agg-file .wrap {
1029
+ background: rgba(2, 6, 23, 0.85) !important;
1030
+ border-radius: 10px !important;
1031
+ border: 1px solid rgba(148,163,184,.3) !important;
1032
+ }
1033
+
1034
+ /* JSON output: dark panel + readable text */
1035
+ #agg-json {
1036
+ background: rgba(2, 6, 23, 0.85) !important;
1037
+ border: 1px solid rgba(148,163,184,.35) !important;
1038
+ border-radius: 12px !important;
1039
+ padding: 8px !important;
1040
+ }
1041
+ #agg-json *, #agg-json .json, #agg-json .wrap { color: #e6f2ff !important; }
1042
+ #agg-json pre, #agg-json code {
1043
+ background: rgba(4, 10, 24, 0.9) !important;
1044
+ color: #e2e8f0 !important;
1045
+ border: 1px solid rgba(148,163,184,.35) !important;
1046
+ border-radius: 10px !important;
1047
+ }
1048
+ /* Tree/overflow modes */
1049
+ #agg-json [data-testid="json-tree"],
1050
+ #agg-json [role="tree"],
1051
+ #agg-json .overflow-auto {
1052
+ background: rgba(4, 10, 24, 0.9) !important;
1053
+ color: #e6f2ff !important;
1054
+ border-radius: 10px !important;
1055
+ border: 1px solid rgba(148,163,184,.35) !important;
1056
+ }
1057
+
1058
+ /* Eval log markdown */
1059
+ #eval-log, #eval-log * { color: #cfe6ff !important; }
1060
+ #eval-log pre, #eval-log code {
1061
+ background: rgba(2, 6, 23, 0.85) !important;
1062
+ color: #e2e8f0 !important;
1063
+ border: 1px solid rgba(148,163,184,.3) !important;
1064
+ border-radius: 10px !important;
1065
+ }
1066
+
1067
+ /* When Evaluate tab is active and JS has added .eval-active, bump contrast subtly */
1068
+ #eval-tab.eval-active .block,
1069
+ #eval-tab.eval-active .group {
1070
+ border-color: #60a5fa !important;
1071
+ }
1072
+ #eval-tab.eval-active .label {
1073
+ color: #e6f2ff !important;
1074
+ }
1075
+
1076
+ /* --- THE UNIVERSAL DROPDOWN OVERRIDE --- */
1077
+
1078
+ /* 1. All boxes show white text on the dark background */
1079
+ #filler-dropdown .single-select, #filler-dropdown input,
1080
+ #dim-dropdown .single-select, #dim-dropdown input,
1081
+ #dim2-dropdown .single-select, #dim2-dropdown input,
1082
+ #current-dropdown .single-select, #current-dropdown input {
1083
+ color: #ffffff !important;
1084
+ -webkit-text-fill-color: #ffffff !important;
1085
+ }
1086
+
1087
+ /* 2. All dropdown menus (the pop-outs) have a white background */
1088
+ #filler-dropdown .options,
1089
+ #dim-dropdown .options,
1090
+ #dim2-dropdown .options,
1091
+ #current-dropdown .options {
1092
+ background-color: #ffffff !important;
1093
+ }
1094
+
1095
+ /* 3. All items in the lists are forced to PURE BLACK */
1096
+ #filler-dropdown .item, #filler-dropdown .item span,
1097
+ #dim-dropdown .item, #dim-dropdown .item span,
1098
+ #dim2-dropdown .item, #dim2-dropdown .item span,
1099
+ #current-dropdown .item, #current-dropdown .item span,
1100
+ .gr-dropdown .options .item, .gr-dropdown .options .item * {
1101
+ color: #000000 !important;
1102
+ -webkit-text-fill-color: #000000 !important;
1103
+ }
1104
+
1105
+ /* 4. Hover effect for all dropdowns */
1106
+ .gr-dropdown .item:hover {
1107
+ background-color: #dbeafe !important;
1108
+ }
1109
+
1110
+ """
1111
+
1112
+ theme = gr.themes.Soft(
1113
+ primary_hue="blue",
1114
+ neutral_hue="green"
1115
+ ).set(
1116
+ body_background_fill="#0b1020",
1117
+ body_text_color="#e0f2fe",
1118
+ input_background_fill="#0f172a",
1119
+ input_border_color="#1e40af",
1120
+ button_primary_background_fill="#2563eb",
1121
+ button_primary_text_color="#ffffff",
1122
+ button_secondary_background_fill="#14532d",
1123
+ button_secondary_text_color="#ecfdf5",
1124
+ )
1125
+
1126
+ with gr.Blocks(css=CSS, theme=theme, fill_height=True) as demo:
1127
+ # Optional: JS to toggle .eval-active when Evaluate tab selected
1128
+ gr.HTML("""
1129
+ <script>
1130
+ (function(){
1131
+ const applyEvalActive = () => {
1132
+ const selected = document.querySelector('.tab-nav button[role="tab"][aria-selected="true"]');
1133
+ const evalPanel = document.querySelector('#eval-tab');
1134
+ if (!evalPanel) return;
1135
+ if (selected && /Evaluate/.test(selected.textContent)) {
1136
+ evalPanel.classList.add('eval-active');
1137
+ } else {
1138
+ evalPanel.classList.remove('eval-active');
1139
+ }
1140
+ };
1141
+ document.addEventListener('click', function(e) {
1142
+ if (e.target && e.target.getAttribute('role') === 'tab') {
1143
+ setTimeout(applyEvalActive, 50);
1144
+ }
1145
+ }, true);
1146
+ document.addEventListener('DOMContentLoaded', applyEvalActive);
1147
+ setTimeout(applyEvalActive, 300);
1148
+ })();
1149
+ </script>
1150
+ """)
1151
+
1152
+ gr.Markdown(
1153
+ "<h1 style='margin:0'>Self-Sensing Concrete Assistant</h1>"
1154
+ "<p style='opacity:.9'>"
1155
+ "Left: ML prediction for Stress Gauge Factor (original scale, MPa<sup>-1</sup>). "
1156
+ "Right: Literature Q&A via Hybrid RAG (BM25 + TF-IDF + optional dense) with MMR sentence selection. "
1157
+ "Answers cite short document codes (e.g., <code>S71</code>, <code>S92</code>)."
1158
+ "</p>"
1159
+ )
1160
+
1161
+ with gr.Tabs():
1162
+ # ------------------------- Predictor Tab -------------------------
1163
+ with gr.Tab("🔮 Predict Gauge Factor (XGB)"):
1164
+ with gr.Row():
1165
+ with gr.Column(scale=7):
1166
+ with gr.Accordion("Primary conductive filler", open=True, elem_classes=["card"]):
1167
+ f1_type = gr.Dropdown(TYPE_CHOICES,label="Filler 1 Type *", value="CNT", allow_custom_value=True, elem_id="filler-dropdown")
1168
+ f1_diam = gr.Number(label="Filler 1 Diameter (µm) *")
1169
+ f1_len = gr.Number(label="Filler 1 Length (mm) *")
1170
+ cf_conc = gr.Number(label=f"{CF_COL} *", info="Weight percent of total binder")
1171
+ f1_dim = gr.Dropdown(DIM_CHOICES, value=CANON_NA, label="Filler 1 Dimensionality *",elem_id="dim-dropdown")
1172
+
1173
+ with gr.Accordion("Secondary filler (optional)", open=False, elem_classes=["card"]):
1174
+ f2_type = gr.Textbox(label="Filler 2 Type", placeholder="Optional")
1175
+ f2_diam = gr.Number(label="Filler 2 Diameter (µm)")
1176
+ f2_len = gr.Number(label="Filler 2 Length (mm)")
1177
+ f2_dim = gr.Dropdown(DIM_CHOICES, value=CANON_NA, label="Filler 2 Dimensionality", elem_id="dim2-dropdown")
1178
+ with gr.Accordion("Mix design & specimen", open=False, elem_classes=["card"]):
1179
+ spec_vol = gr.Number(label="Specimen Volume (mm3) *")
1180
+ probe_cnt = gr.Number(label="Probe Count *")
1181
+ probe_mat = gr.Textbox(label="Probe Material *", placeholder="e.g., Copper, Silver paste")
1182
+ wb = gr.Number(label="W/B *")
1183
+ sb = gr.Number(label="S/B *")
1184
+ gauge_len = gr.Number(label="Gauge Length (mm) *")
1185
+ curing = gr.Textbox(label="Curing Condition *", placeholder="e.g., 28d water, 20°C")
1186
+ n_fillers = gr.Number(label="Number of Fillers *")
1187
+
1188
+ with gr.Accordion("Processing", open=False, elem_classes=["card"]):
1189
+ dry_temp = gr.Number(label="Drying Temperature (°C)")
1190
+ dry_hrs = gr.Number(label="Drying Duration (hr)")
1191
+
1192
+ with gr.Accordion("Mechanical & electrical loading", open=False, elem_classes=["card"]):
1193
+ load_rate = gr.Number(label="Loading Rate (MPa/s)")
1194
+ E_mod = gr.Number(label="Modulus of Elasticity (GPa) *")
1195
+ current = gr.Dropdown(CURRENT_CHOICES, value=CANON_NA, label="Current Type", elem_id="current-dropdown")
1196
+ voltage = gr.Number(label="Applied Voltage (V)")
1197
+
1198
+ with gr.Column(scale=5):
1199
+ with gr.Group(elem_classes=["card"]):
1200
+ out_pred = gr.Number(label="Predicted Stress GF (MPa-1)", value=0.0, precision=6, elem_id="pred-out")
1201
+ gr.Markdown(f"<small>{MODEL_STATUS}</small>")
1202
+ with gr.Row():
1203
+ btn_pred = gr.Button("Predict", variant="primary")
1204
+ btn_clear = gr.Button("Clear")
1205
+ btn_demo = gr.Button("Fill Example")
1206
+
1207
+ with gr.Accordion("About this model", open=False, elem_classes=["card"]):
1208
+ gr.Markdown(
1209
+ "- Pipeline: ColumnTransformer → (RobustScaler + OneHot) → XGBoost\n"
1210
+ "- Target: Stress GF (MPa<sup>-1</sup>) on original scale (model may train on log1p; saved flag used at inference).\n"
1211
+ "- Missing values are safely imputed per-feature.\n"
1212
+ "- Trained columns:\n"
1213
+ f" `{', '.join(MAIN_VARIABLES)}`",
1214
+ elem_classes=["prose"]
1215
+ )
1216
+
1217
+ inputs_in_order = [
1218
+ f1_type, f1_diam, f1_len, cf_conc,
1219
+ f1_dim, f2_type, f2_diam, f2_len,
1220
+ f2_dim, spec_vol, probe_cnt, probe_mat,
1221
+ wb, sb, gauge_len, curing, n_fillers,
1222
+ dry_temp, dry_hrs, load_rate,
1223
+ E_mod, current, voltage
1224
+ ]
1225
+
1226
+ def _predict_wrapper(*vals):
1227
+ data = {k: v for k, v in zip(MAIN_VARIABLES, vals)}
1228
+ return predict_fn(**data)
1229
+
1230
+ btn_pred.click(_predict_wrapper, inputs=inputs_in_order, outputs=out_pred)
1231
+ btn_clear.click(lambda: _clear_all(), inputs=None, outputs=inputs_in_order).then(lambda: 0.0, outputs=out_pred)
1232
+ btn_demo.click(lambda: _fill_example(), inputs=None, outputs=inputs_in_order)
1233
+
1234
+ # ------------------------- Literature Tab -------------------------
1235
+ with gr.Tab("📚 Ask the Literature (Hybrid RAG + MMR)", elem_id="rag-tab"):
1236
+ pdf_count = len(list(LOCAL_PDF_DIR.glob("**/*.pdf")))
1237
+ gr.Markdown(
1238
+ f"Using local folder <code>papers/</code> — **{pdf_count} PDF(s)** indexed. "
1239
+ "Upload more PDFs and reload the Space to expand coverage. "
1240
+ "Answers cite short document codes such as <code>S71</code>, <code>S92</code>."
1241
+ )
1242
+ with gr.Row():
1243
+ top_k = gr.Slider(5, 12, value=8, step=1, label="Top-K chunks")
1244
+ n_sentences = gr.Slider(2, 6, value=4, step=1, label="Answer length (sentences)")
1245
+ include_passages = gr.Checkbox(value=False, label="Include supporting passages", interactive=True)
1246
+
1247
+ with gr.Accordion("Retriever weights (advanced)", open=False):
1248
+ w_tfidf = gr.Slider(0.0, 1.0, value=W_TFIDF_DEFAULT, step=0.05, label="TF-IDF weight")
1249
+ w_bm25 = gr.Slider(0.0, 1.0, value=W_BM25_DEFAULT, step=0.05, label="BM25 weight")
1250
+ w_emb = gr.Slider(0.0, 1.0, value=(0.0 if not USE_DENSE else 0.40), step=0.05, label="Dense weight (set 0 if disabled)")
1251
+
1252
+ # Hidden states (unchanged)
1253
+ state_use_llm = gr.State(LLM_AVAILABLE)
1254
+ state_model_name = gr.State(os.getenv("OPENAI_MODEL", OPENAI_MODEL))
1255
+ state_temperature = gr.State(0.2)
1256
+ state_strict = gr.State(False)
1257
+
1258
+ gr.ChatInterface(
1259
+ fn=rag_chat_fn,
1260
+ additional_inputs=[
1261
+ top_k, n_sentences, include_passages,
1262
+ state_use_llm, state_model_name, state_temperature, state_strict,
1263
+ w_tfidf, w_bm25, w_emb
1264
+ ],
1265
+ title="Literature Q&A",
1266
+ description="Hybrid retrieval with diversity. Answers carry inline short-code citations (e.g., (S92), (S71))."
1267
+ )
1268
+
1269
+ # ====== Evaluate (Gold vs Logs) ======
1270
+ with gr.Tab("📏 Evaluate (Gold vs Logs)", elem_id="eval-tab"):
1271
+ gr.Markdown("Upload your **gold.csv** and compute metrics against the app logs.")
1272
+ with gr.Row():
1273
+ gold_file = gr.File(label="gold.csv", file_types=[".csv"], interactive=True)
1274
+ k_slider = gr.Slider(3, 12, value=8, step=1, label="k for Hit/Recall/nDCG", elem_id="k-slider")
1275
+ with gr.Row():
1276
+ btn_eval = gr.Button("Compute Metrics", variant="primary")
1277
+ with gr.Row():
1278
+ out_perq = gr.File(label="Per-question metrics (CSV)", elem_id="perq-file")
1279
+ out_agg = gr.File(label="Aggregate metrics (JSON)", elem_id="agg-file")
1280
+ out_json = gr.JSON(label="Aggregate summary", elem_id="agg-json")
1281
+ out_log = gr.Markdown(label="Run log", elem_id="eval-log")
1282
+
1283
+ def _run_eval_inproc(gold_path: str, k: int = 8):
1284
+ import json as _json
1285
+ out_dir = str(ARTIFACT_DIR)
1286
+ logs = str(LOG_PATH)
1287
+ cmd = [
1288
+ sys.executable, "rag_eval_metrics.py",
1289
+ "--gold_csv", gold_path,
1290
+ "--logs_jsonl", logs,
1291
+ "--k", str(k),
1292
+ "--out_dir", out_dir
1293
+ ]
1294
+ try:
1295
+ p = subprocess.run(cmd, capture_output=True, text=True, check=False)
1296
+ stdout = p.stdout or ""
1297
+ stderr = p.stderr or ""
1298
+ perq = ARTIFACT_DIR / "metrics_per_question.csv"
1299
+ agg = ARTIFACT_DIR / "metrics_aggregate.json"
1300
+ agg_json = {}
1301
+ if agg.exists():
1302
+ agg_json = _json.loads(agg.read_text(encoding="utf-8"))
1303
+ report = "```\n" + (stdout.strip() or "(no stdout)") + ("\n" + stderr.strip() if stderr else "") + "\n```"
1304
+ return (str(perq) if perq.exists() else None,
1305
+ str(agg) if agg.exists() else None,
1306
+ agg_json,
1307
+ report)
1308
+ except Exception as e:
1309
+ return (None, None, {}, f"**Eval error:** {e}")
1310
+
1311
+ def _eval_wrapper(gf, k):
1312
+ from pathlib import Path as _Path
1313
+ if gf is None:
1314
+ default_gold = _Path("gold.csv")
1315
+ if not default_gold.exists():
1316
+ return None, None, {}, "**No gold.csv provided or found in repo root.**"
1317
+ gold_path = str(default_gold)
1318
+ else:
1319
+ gold_path = gf.name
1320
+ return _run_eval_inproc(gold_path, int(k))
1321
+
1322
+ btn_eval.click(_eval_wrapper, inputs=[gold_file, k_slider],
1323
+ outputs=[out_perq, out_agg, out_json, out_log])
1324
+
1325
+ # ------------- Launch -------------
1326
+ if __name__ == "__main__":
1327
+ # 1. Start the Chatbot (This is what gives you the link)
1328
+ # If using Gradio:
1329
+ demo.launch()
1330
+
1331
+ # Or if using Flask:
1332
+ # app.run(debug=True)
1333
+
1334
+ # 2. Everything below here only runs AFTER the server stops
1335
+ # (or might not run at all depending on how the server handles the exit)
1336
+ import os as _os
1337
+ import pandas as _pd
1338
+ folder = "papers"
1339
+ files = sorted(_os.listdir(folder)) if _os.path.exists(folder) else []
1340
+ _pd.DataFrame({"doc": files}).to_csv("paper_list.csv", index=False)
1341
+ print("✅ Saved paper_list.csv with", len(files), "papers")
download_logic.py ADDED
@@ -0,0 +1,13 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ from huggingface_hub import snapshot_download
2
+
3
+ # This pulls the 'brain' (logic) but skips the 'heavy' stuff
4
+ # so your Galaxy Book stays fast.
5
+ snapshot_download(
6
+ repo_id="Inframat-x/ML-Chatbot",
7
+ repo_type="space",
8
+ local_dir=".",
9
+ ignore_patterns=["*.bin", "*.onnx", "*.pkl", "*.joblib", "*.pth"]
10
+ )
11
+
12
+ print("\n--- Handshake Complete ---")
13
+ print("The vibe-code is now local. Check your sidebar!")
paper_list.csv ADDED
@@ -0,0 +1,131 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ doc
2
+ 1-s2.0-S095006181732278X-main.pdf
3
+ 1-s2.0-S0950061820330786-main.pdf
4
+ 1-s2.0-S1359836816316882-main.pdf
5
+ 1-s2.0-S2090447920301593-main.pdf
6
+ 2011-EffectofSpecimenSizeonStaticStrengthandDIFofHSCfromSHPBTest.pdf
7
+ Capacitance-based stress self-sensing in cement paste without requiring any admixture.pdf
8
+ Capacitive compressive stress self-sensing behavior of cement mortar and its dependence on the thickness.pdf
9
+ Carbon fiber reinforced cement improved by using silane-treated carbon fibers.pdf
10
+ Development of self-sensing ultra-high-performance concrete using hybrid carbon black and carbon nanofibers.pdf
11
+ "Development of sensing concrete Principles, properties and its applications.pdf"
12
+ EVALUA~1.PDF
13
+ Effect of silane treatment on microstructure of sisal fibers.pdf
14
+ "Graphene family (GFMs), carbon nanotubes (CNTs) and carbon black (CB) on smart materials for civil construction.pdf"
15
+ Influence of the structures of polycarboxylate superplasticizer on its performance in cement-based materials-A review.pdf
16
+ Investigating the synergistic effects of carbon fiber and silica fume on concrete strength and eco-efficiency.pdf
17
+ Investigation of 3D Printed Self-Sensing UHPC Composites Using Graphite and Hybrid Carbon Microfibers.pdf
18
+ Ozone treatment of carbon fiber for reinforcing cement.pdf
19
+ PIEZOE~1.PDF
20
+ Performance of silica fume slurry treated recycled aggregate concrete reinforced with carbon fibers.pdf
21
+ Piezopermittivity for capacitance-based strain stress sensing.pdf
22
+ Review Improving cement-based materials by using silica fume.pdf
23
+ Revolutionizing infrastructure The evolving landscape of electricity-based multifunctional concrete from concept to practice.pdf
24
+ S1-An-experimental-study-of-self-sensing-concrete-enhanced_2020_Construction-an.pdf
25
+ S10-Enhancing-self-stress-sensing-ability-of-smart-ultra-high_2021_Journal-of-Bu.pdf
26
+ S100-C~1.PDF
27
+ "S11-Environment-Friendly, Self-Sensing Concrete Blended with Byproduct Wastes.pdf"
28
+ S12-Hybrid-effects-of-steel-fiber-and-carbon-nanotube-on-s_2018_Construction-and.pdf
29
+ S13-Increasing-self-sensing-capability-of-carbon-nanotubes-c_2020_Construction-a.pdf
30
+ S14-Influence-of-carbon-nanofiber-content-and-sodium-chloride-_2019_Case-Studies.pdf
31
+ S15-Influence-of-water-ingress-on-the-electrical-properties-_2021_Journal-of-Bui.pdf
32
+ S16-Investigations-on-scalable-fabrication-procedures-for-sel_2016_Cement-and-Co.pdf
33
+ S17-Cross tension and compression loading and large-scale testing of strain and damage sensing smart concrete.pdf
34
+ S18-Nano graphite platelets-enabled piezoresistive cementitious composites for structural health monitoring.pdf
35
+ S19-Self-sensing-piezoresistive-cement-composite-loaded_2017_Cement-and-Concrete.pdf
36
+ S2-Characterization-of-smart-brass-fiber-reinforced-co_2020_Construction-and-Bu.pdf
37
+ S20-IN~1.PDF
38
+ "S21-Mechanical, electrical and self-sensing properties of cementitious mortars containing short carbon fibers.pdf"
39
+ S22-Improved strain sensing properties of cement-based sensors through enhanced carbon nanotube dispersion.pdf
40
+ S23-Increasing self-sensing capability of carbon nanotubes cement-based materials by simultaneous addition of Ni nanofibers.pdf
41
+ S24-Multifunctional-self-sensing-and-ductile-cementit_2019_Cement-and-Concrete-R.pdf
42
+ S25-Self-sensing-capability-of-ultra-high-performance-concr_2018_Sensors-and-Act.pdf
43
+ S26-TE~1.PDF
44
+ S27-Effect of aspect ratio on strain sensing capacity of carbon fiber reinforced cement composites.pdf
45
+ S28-Smart Graphite–Cement Composites with Low Percolation Threshold.pdf
46
+ S29-Hybrid Carbon Microfibers-Graphite Fillers for Piezoresistive Cementitious Composites.pdf
47
+ S3-Effect of characteristics of assembly unit of CNTNCB composite fillers on properties of smart cement-based materials.pdf
48
+ S30-Smart Graphite–Cement Composite for Roadway-Integrated Weigh-In-Motion Sensing.pdf
49
+ S31-Electrical and piezoresistive properties of carbon nanofiber cement mortar under different temperatures and water contents.pdf
50
+ S32-Self-stress-sensing-smart-concrete-containing-fine-stee_2019_Construction-an.pdf
51
+ S33-IN~1.PDF
52
+ S34-Self-sensing-ultra-high-performance-concrete-fo_2021_Sensors-and-Actuators-A.pdf
53
+ S35-EL~1.PDF
54
+ S36-Piezoresistivity enhancement of functional carbon black filled cement-based sensor using polypropylene fibre.pdf
55
+ S37-Test and Study on Electrical Property of Conductive Concrete.pdf
56
+ S38 - Electrical-resistance-based Sensing of Impact Damage in Carbon Fiber Reinforced Cement-based Materials.pdf
57
+ S39 - Electrical conductivity of self-monitoring CFRC.pdf
58
+ S4-Effect-of-steel-fiber-and-carbon-black-on-the-self-s_2019_Construction-and-B.pdf
59
+ S40 - Resistance Changes during Compression of Carbon Fiber Cement COmposites.pdf
60
+ S41 - Electrical-resistance-based damage self-sensing in carbon fiber reinforced cement.pdf
61
+ S42-SE~1.PDF
62
+ S43 - the 100th anniversary of the four-point probe technique the role of probe geometries in isotropic andanisotropic systems.pdf
63
+ S44-Sensing performance of engineered cementitious composites in different application forms.pdf
64
+ S45-Insitu synthesizing carbon nanotubes on cement to develop self-sensing cementitious composites.pdf
65
+ S46-SE~1.PDF
66
+ S47-The applicability of shungite as an electrically conductive additive in cement composites.pdf
67
+ S48-Self-sensing properties and piezoresistive effect of high ductility cementitious composite.pdf
68
+ S49-ME~1.PDF
69
+ S5-Effects-of-carbon-nanomaterial-type-and-amount-on-self-sensing-_2019_Measure.pdf
70
+ S50-IM~1.PDF
71
+ S51-Electrical and piezoresistive properties of cement composites with carbon nanomaterials.pdf
72
+ "S52-Influences of (MCNT) fraction, moisture, stressstrain level on the electrical properties of MCNT of cement-based composites.pdf"
73
+ S53-CA~1.PDF
74
+ S54-Carbon Nanofibers Grown in CaO for Self-Sensing in Mortar.pdf
75
+ S55-Electro-mechanical self-sensing response of ultra-high-performance fiber-reinforced concrete in tension.pdf
76
+ S55-Nanocarbon black-based ultra-high-performance concrete (UHPC) with self-strain sensing capability.pdf
77
+ S56-Self-sensing cementitious composites incorporated with botryoid hybrid nano-carbon materials for smart infrastructures.pdf
78
+ S57-IN~1.PDF
79
+ S58-DE~1.PDF
80
+ S59-Modifying self-sensing cement-based composites through multiscale composition.pdf
81
+ S6-Electrically conductive behaviors and mechanisms of short-cut super-fine stainless wire reinforced reactive powder concrete.pdf
82
+ S60-Study on self-sensing capabilities of smart cements filled with graphene oxide under dynamic cyclic loading.pdf
83
+ "S61-Piezoresistivity, mechanisms and model of cement-based materials with CNT_NCB composite fillers.pdf"
84
+ S62-MU~1.PDF
85
+ S63-Piezoresistive properties of cement composites with expanded graphite.pdf
86
+ "S64-Electrical Properties of Cement-Based Composites with Carbon Nanotubes, Graphene, and Graphite Nanofibers.pdf"
87
+ S65-AN~1.PDF
88
+ S66-Experimental Investigation of the Piezoresistive Properties of Cement Composites with Hybrid Carbon Fibers and Nanotubes.pdf
89
+ S67-Strain and damage sensing properties on multifunctional cement composites with CNF admixture.pdf
90
+ S68-EF~1.PDF
91
+ S69-Cement-based sensors with carbon fibers and carbon nanotubes for piezoresistive sensing.pdf
92
+ S7-Electrical characteristics and pressure-sensitive response measurements of carboxyl MWNT_cement composites.pdf
93
+ S70-EV~1.PDF
94
+ S71-Enhanced sensing performance of cement-based composites achieved via magnetically aligned nickel particle network.pdf
95
+ S72-Anisotropic electrical and piezoresistive sensing properties of cement-based sensors with aligned carbon fibers.pdf
96
+ S73-Development of self-sensing cement-based sensor using recycled fine waste glass aggregates coated with carbon nanotube.pdf
97
+ S74-Strain sensitivity of steel-fiber-reinforced industrial smart concrete.pdf
98
+ S75-SE~1.PDF
99
+ S76-Strain-sensing characteristics of self-consolidating concrete with micro-carbon fibre.pdf
100
+ S77-SE~1.PDF
101
+ S78-Mechanical and self-sensing properties of concrete reinforced with carbon nanofibres.pdf
102
+ S79-Carbon nanotube cement-based transducers for dynamic sensing of strain.pdf
103
+ S8-Electrically-cured-ultra-high-performance-concrete--UHPC--embe_2020_Material.pdf
104
+ S80-MA~1.PDF
105
+ S81-Piezoresistive properties of ultra-high-performance fiber-reinforced concrete incorporating few-layer graphene.pdf
106
+ S82-SY~1.PDF
107
+ S83-Effect of compressive strain on electrical resistivity of carbon black-filled cement-based composites.pdf
108
+ S84-TA~1.PDF
109
+ S85-Performance of cement-based sensors with CNT for strain sensing.pdf
110
+ S86-EL~1.PDF
111
+ S87-EL~1.PDF
112
+ S88-ST~1.PDF
113
+ S89-Piezoresistivity of carbon fiber graphite cement-based composites with CCCW.pdf
114
+ S9-Electro-mechanical-self-sensing-response-of-ultra-high-_2018_Composites-Part.pdf
115
+ S90-EX~1.PDF
116
+ S91-A comparative study on the influences of CNT and GNP on the piezoresistivity of cement composites.pdf
117
+ S92-Research-on-the-self-sensing-and-mechanical-properties-of_2021_Cement-and-Co.pdf
118
+ S93-Enhanced effects of carbon-based conductive materials on the piezoresistive characteristics of cementitious composites.pdf
119
+ S94-The Utilization of Pearson’s Method to Analyze Piezoresistive Effect in Self-Sensing Cement Composite with Graphite.pdf
120
+ S95-SE~1.PDF
121
+ S96-EL~1.PDF
122
+ S97-Self-sensing GFRP-reinforced concrete beams containing carbon nanotube-nano carbon black composite fillers.pdf
123
+ S98-MI~1.PDF
124
+ S99-Commercial and recycled carbon-based fillers and fibers for self-sensing cement-based composites.pdf
125
+ Self-sensing enhancement in smart ultra-high performance concrete composites via multi-scale carbon black.pdf
126
+ "Self-sensing performance of cementitious composites with functional fillers at macro, micro and nano scales.pdf"
127
+ Self‐Sensing Cementitious Composites with Hierarchical Carbon Fiber‐Carbon Nanotube Composite Fillers.pdf
128
+ Silane treatment of bagasse fiber for reinforcement of cementitious composites.pdf
129
+ Silane-treated carbon fiber for reinforcing cement.pdf
130
+ The effect of silane surface treatment on the mechanical properties of UHPFRC.pdf
131
+ document.pdf
papers/1-s2.0-S095006181732278X-main.pdf ADDED
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Binary file (42.8 kB). View file
 
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