Upload README.md

README.md

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+# LitVISTA: A Benchmark for Narrative Orchestration in Literary Text
+
+**[Paper (arXiv:2601.06445)](https://arxiv.org/abs/2601.06445)** 
+## 📖 Overview
+
+**LitVISTA** is a structurally annotated benchmark designed to evaluate the **narrative orchestration** capabilities of Large Language Models (LLMs). Unlike traditional benchmarks that focus on causal coherence or local semantics, LitVISTA maps stories into a high-dimensional representational framework called **VISTA Space**.
+
+It focuses on how narrative events (Verbs+) serve distinct structural roles—**Impulses**, **Resonances**, and **Pauses**—to create the pacing, tension, and rhythm inherent in human-authored literature.
+
+## 🗂️ Dataset Structure
+
+The dataset is organized into `train`, `val`, and `test` splits (8:1:1 ratio). Each entry consists of two files:
+
+* `.txt` file: The raw literary text (sourced from LitBank/Project Gutenberg).
+* `.ann` file: The structural annotations in a tab-separated format.
+
+### Annotation Format
+
+Each line in the `.ann` file follows this structure:
+`Index` | `Anchor Topology` | `Offset` | `Verb+` | `Narrative Dependency`
+:--- | :--- | :--- | :--- | :---
+**0** | **Resonance** | 376,381 | Smoke | 49
+
+1. **Index**: The unique identifier for the narrative anchor.
+2. **Anchor Topology**: The functional role within VISTA Space:
+    * **Impulse ($\mathcal{V}_I$)**: Plot drivers that form the narrative backbone and advance the plot to a new stage ($\tau \rightarrow \tau+1$).
+    * **Resonance ($\mathcal{V}_R$)**: Descriptive expansions that provide texture and context without advancing the plot stage ($\tau \rightarrow \tau+\delta$).
+    * **Pause ($\mathcal{V}_P$)**: Vertical intensity markers that freeze narrative time to dive into psychology or micro-details ($\tau \rightarrow \tau$).
+3. **Offset**: Character-level start and end positions of the anchor in the source text.
+4. **Verb+**: The textual anchor (canonical verbs or event-denoting nominals like "marriage").
+5. **Narrative Dependency**: The ID of the parent node, defining the global structural backbone or recursive attachments.
+
+## 📊 Key Statistics
+
+| Metric | Train | Val | Test |
+| --- | --- | --- | --- |
+| Avg. Length (Tokens) | 10.2k | 9.9k | 10.7k |
+| Predominant Role | Resonance | Resonance | Resonance |
+| Complexity | High cross-dependency and long-range narrative relations. |  |  |
+
+## 🚀 Task: Narrative Structure Reconstruction
+
+The core task is to reconstruct the narrative topology. In the **Oracle Setting**, models are provided with the text and the `Verb+` anchors and must predict the `Anchor Topology` and `Narrative Dependency` (Head) for each.
+
+## 📝 Citation
+
+If you use this dataset, please cite our work:
+
+```bibtex
+@article{lu2026litvista,
+  title={LitVISTA: A Benchmark for Narrative Orchestration in Literary Text},
+  author={Lu, Mingzhe and Wang, Yiwen and Liu, Yanbing and You, Qi and Liu, Chong and others},
+  journal={arXiv preprint arXiv:2601.06445},
+  year={2026}
+}
+
+```