Add files using upload-large-folder tool

README.md

@@ -0,0 +1,115 @@
+---
+tags:
+  - vector-database
+  - embeddings
+  - parquet
+  - qdrant
+  - stackoverflow
+  - question-answering
+pretty_name: StackOverflow Vector Dataset - PHP
+license: cc-by-sa-4.0
+size_categories:
+  - 1M<n<10M
+---
+
+# PHP StackOverflow Vector Dataset Datasheet
+
+## 1. What This Dataset Is
+
+This dataset is the PHP-specific vector shard of the Stack2Graph StackOverflow retrieval corpus.
+Each Hugging Face dataset repository contains exactly one language dataset.
+
+It is optimized for dense+sparse retrieval, Qdrant restoration, and embedding-based RAG experiments.
+
+It is used in the Stack2Graph project as the vector counterpart to the language-scoped RDF knowledge graph shards.
+
+See the Stack2Graph repository for more details:
+[https://github.com/tha-atlas/Stack2Graph](https://github.com/tha-atlas/Stack2Graph)
+
+## 2. Repository Layout
+
+```text
+dataset_manifest.json
+question_metadata_*.parquet
+chunk_records_*.parquet
+question_records_*.parquet
+```
+
+- `dataset_manifest.json`: language-scoped manifest for this dataset shard.
+- `question_metadata_*.parquet`: per-question metadata and retrieval bookkeeping.
+- `chunk_records_*.parquet`: chunk-level vector rows when parent-child indexing is enabled.
+- `question_records_*.parquet`: question-level vector rows when chunking is disabled or exported alongside chunk data.
+
+## 3. Data Model And Coverage
+
+The dataset is derived from Stack Overflow questions selected for the PHP programming language.
+It contains the structured records needed to rebuild the Stack2Graph Qdrant collection for that language.
+
+Coverage scope:
+
+- records are retained when they match the Stack2Graph supported language-tag set
+- this repository contains only the PHP shard
+- the archive may contain both metadata-only and retrieval-ready vector rows depending on the export mode
+
+## 4. Recommended Preprocessing
+
+1. Read `dataset_manifest.json` first and use it as the source of truth for included Parquet files.
+2. Load all Parquet shards for this repository into your vector indexing pipeline.
+3. Rebuild or restore the Qdrant collection `stackoverflow_php_vector`.
+4. Preserve attribution and license metadata during downstream export.
+
+## 5. Automatic Download And Vector DB Setup
+
+You do not need to regenerate embeddings from GraphDB to use this dataset.
+
+In the Stack2Graph repository, you can use the automation script
+`python -m experiment.load_hf_datasets_into_services --skip-kg` to download dataset artifacts
+and prepare the vector database service state automatically.
+
+Typical workflow:
+
+1. Clone and configure Stack2Graph (`.env` with HF token and service paths).
+1. Clone and configure Stack2Graph (`.env` with HF token and service paths).
+1. Start required local services:
+
+```bash
+docker compose up -d
+```
+
+1. Run the loader script:
+
+```bash
+python -m experiment.load_hf_datasets_into_services --skip-kg
+```
+
+For manual usage without automation, directly ingest the listed Parquet files into your vector database.
+
+## 6. Quality Notes And Caveats
+
+- A Stack Overflow question may belong to multiple language shards when tagged with multiple languages.
+- Embeddings and sparse representations depend on the configured export pipeline and model versions.
+- As with community-generated data, content may include noise, bias, and temporal drift.
+
+## 7. Intended Use
+
+- semantic retrieval and reranking
+- RAG and hybrid retriever experiments
+- vector database benchmarking and diagnostics
+- language-scoped developer tooling research
+
+## 8. Limitations
+
+- Not a complete mirror of all Stack Overflow content.
+- Not all export modes include the same row types or chunk layouts.
+- Best used together with the Stack2Graph retrieval pipeline and Qdrant-compatible tooling.
+
+## 9. Licensing And Attribution
+
+This dataset inherits Stack Overflow source licensing and attribution requirements.
+Ensure compliant attribution and redistribution practices in all derived artifacts.
+
+## 10. Suggested Citation
+
+If you use this dataset, cite the Stack2Graph work:
+
+- Stack2Graph: A Structured Knowledge Representation of Stack Overflow Data for Retrieval-based Question Answering

chunk_records/r0_00011.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5e53bd9575e5675ff5e921eb8344edf4d49a80469e469c086ca2a6b42a91ee25
+size 31760837

chunk_records/r0_00019.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:786151371a072554187ed1c6ee64d48771fccc28e318a74fe6bf6b52058b77b7
+size 32973018

chunk_records/r0_00024.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d9a52bb958b3add8abf9a80bb19c0c25f173b0bd11454c5ac1017e2b92c2b248
+size 33938757

chunk_records/r0_00026.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:90f7cb9bcce527cb9c2ae4446a3e82c86ad3e79ffbf96ce09d538c1080d98079
+size 34420832

chunk_records/r0_00027.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6afb2f09776cc4b5e3cb5986ba0f71b481d6abb9643e14ccc52e262cedd483a5
+size 34625925

chunk_records/r0_00033.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ea8fb51093270d02a59d4c75d737d437736bd72f4a61e16a867d30a24fa489c8
+size 35946148

chunk_records/r0_00034.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:766e5f770e30d41b01a115dc5521971eb4642d00eb4d7df2d2c772ee44ac7dde
+size 36154580

chunk_records/r0_00036.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:52888c8d619ec387fa8f35517af68e84f2c8b5d31d36930c4bfd9cc8cdd5d9e4
+size 36354169

chunk_records/r0_00042.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c0c0fc90bbb748ef44fc821f71eac9b009c40fe02a3b261f4da6f6678a41c014
+size 37189023

chunk_records/r1_00005.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:084dc0f7cb95e1824c6c27c13fe37c2be9cbdabb0b52a22a8ab5c1b9716a7082
+size 30892685

chunk_records/r1_00006.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a0c4543a687aeccfe3e3e7bcac7e3a53d354998cbafea82eaa0fc4038ee71d24
+size 31031047

chunk_records/r1_00007.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e42321fe66e2d91336906d464a08f09b50a53bea3823a9ed942b80bb1d9cb266
+size 31192600

chunk_records/r1_00022.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8a49fe5acb5e20072616b7f43f9144ef2325f41da956e2126a74ee06d3ac3b41
+size 33564894

chunk_records/r1_00036.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a3178543c0700f2bf9ef8138cf359be47844c762192a3656da3d0a14cb8e20f4
+size 36343522

chunk_records/r1_00040.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8ba8466f5c3e4da09f014e283ea4a7a214c2a3f7d5627eea33ceb6f3ab90d5bb
+size 36756665

chunk_records/r1_00041.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2e68ffe0ad7d16c17c3e907a0d4b8a7ea3a1623f05f8e3c295c924d4da79492c
+size 36922535

chunk_records/r1_00044.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b471c7f3e893027137086d25c923b44a53592c048e377062dfe0096c3b756970
+size 37906038

chunk_records/r2_00022.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:663410800240449b62a3eec0333f10df9322d9a102f12f17849f54950a1b3c38
+size 33490340

chunk_records/r2_00024.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6047ab041c2d09f1136a77b3021162c8223a3b9cded222ab93800b0768e0a287
+size 34012331

chunk_records/r2_00032.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:21432bd50dccffb93088c8c69f8db23a1b9d50a3d32793aa80f5870e8bde4932
+size 35747840

chunk_records/r2_00039.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9236e2c06ab8de4ad8093d31ab557f5b18a17178252c62aa021be05f53d0ab5d
+size 36619638

chunk_records/r3_00005.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ae01bc8398c4302747e25676e081af109eec6dd8b73e5f9d1f36f09e20e48a44
+size 30863959

chunk_records/r3_00008.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ef128400e944132228442fbb07764b4c00cfa09afd3291ff52c2173aa5ca9ea3
+size 31334141

chunk_records/r3_00014.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a258a8af41ea7f0fdccd857fc71155a1dae3276ec47f530fb7eb3b2c213fa6be
+size 32170034

chunk_records/r3_00035.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bd1ecee24c8593ce1a3b8068edc2b0b574c3ac13debc85b71d5134d2bdbd1615
+size 36213064

chunk_records/r3_00042.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8dca712b0fa9c2162edffcf2ca910597294726631087d2320b7148f4c1924161
+size 37144551

chunk_records/r4_00001.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2c7fa7c7ea687e593a23d9cc173ae9869e97f60a4c895f47a26a7502fefb052f
+size 29761194

chunk_records/r4_00003.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e9080ab78dea7ecfe0c3315692022f167725a2d04b0db8f40969487bccbcc439
+size 30507281

chunk_records/r4_00004.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:538577c4bacb693512d73337ac185be961c8e75f050b6a924c8483fe34a13e0b
+size 30707111

chunk_records/r4_00009.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:01c12fa78387cd32eb034422ebc07e151c73295450800449f90acdcc23d1dc37
+size 31581617

chunk_records/r4_00016.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7c879786e1d1d0632ad5086ad7cba0e7b764fbc03018cfe5e9a677ed3f88350f
+size 32488324

chunk_records/r4_00022.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b3ca494f48522e94c1cdddc060f32204a1d4ed9b0f358f80de0f318adbe1a933
+size 33512353

chunk_records/r4_00023.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d14628c8dca840d60ddee5b929af3dc25ad1a88d5ade5a2b4c2d1abd9b5d8925
+size 33754359

chunk_records/r4_00024.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2dfe36cba855436b3166001a9e3e29e9f0fcc43d48acdd192a8e16da4d9f7093
+size 33944783

chunk_records/r4_00041.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:426f41948ddb5013f4fc907978f21b3f406599e11013111ccb20147b920f7da8
+size 36962605

chunk_records/r4_00042.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a0a977935a1a5052a03fa39b78b1a86476d4917d03c8f0e1cc8f0c21c9dcd80a
+size 37198626

chunk_records/r4_00044.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:50f825c1479ee764b37eb2137ca86e6e202bb51a8bf6346cc08a2915ba5b6056
+size 37832250

chunk_records/r5_00006.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cb58ea8e7cedfa19090f957de880cb6c78a37df65ab36024a9292bd367f7d222
+size 31033163

chunk_records/r5_00009.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8a152618b17574d1c23ac4b969f029e77b3b69810f6a7d6c8ae540a4aa987e65
+size 31582379

chunk_records/r5_00014.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e153eeb26abd5bd990c8ea8f36add8af096a2c392645b50ef641c722311b7ae0
+size 32187686

chunk_records/r5_00029.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:da0147048ee5dae41df70a511ccb3b9ef29cb7a6ac4c4374992c8f91c31db8c8
+size 35127687

chunk_records/r6_00013.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:de86d5a3feb6fcfdf6a4ff5bbbe370a33901f932102708e0ad6d26b3176a64dd
+size 32058417

chunk_records/r6_00019.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e5d3bd40bb7b7164e02f313ae3394f05435f6d80f3e819618c405fbd4450c994
+size 32994078

chunk_records/r6_00046.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4cd673f38c1f75e42808d510a1efa8a78a3f17c98d4b144fe66e5b41294a716a
+size 3190600

chunk_records/r7_00005.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bad70e8db410483218daa0fb8de8b55a82d21f387aafc6ea1959af9bd4f0c91b
+size 30866231

chunk_records/r7_00009.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:17ae0de99ad73b22f50e12ac280cf3483c2e4a9267a920867185517d430c4d68
+size 31562951

chunk_records/r7_00037.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3503db2cb03a321c08affa7e6f6aa21b6bb197359ed36e094bcabb328dfda662
+size 36445170

chunk_records/r7_00042.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8327dbee08a8c38e3b1e5e969ae75e04c9ec39bc40e55c57fea5913d0a9d5067
+size 37177408