Add Dataset metadata and statistics

dataset_info.json

@@ -0,0 +1,24 @@
+{
+  "dataset_name": "hotpotqa-knowledge-coupling",
+  "description": "Knowledge coupling analysis results on HotpotQA dataset using LLaMA2-7B",
+  "creation_date": "2025-06-11T15:19:31.887884",
+  "model_info": {
+    "model_name": "meta-llama/Llama-2-7b-hf",
+    "target_layers": "model.layers.28-31.mlp.down_proj",
+    "total_parameters_analyzed": "180,355,072 per knowledge piece"
+  },
+  "dataset_statistics": {},
+  "analysis_results": {
+    "total_knowledge_pieces": "Unknown",
+    "total_coupling_pairs": "Unknown",
+    "mean_coupling_score": "Unknown",
+    "high_coupling_threshold": 0.4
+  },
+  "files": {
+    "global_analysis_results.json": "Comprehensive analysis summary",
+    "all_knowledge_pieces.json": "Complete knowledge pieces data (~92MB)",
+    "all_coupling_pairs.csv": "All pairwise coupling measurements (~245MB)",
+    "dataset_info.json": "This file - dataset metadata",
+    "coupling_analysis_config.json": "Analysis configuration parameters"
+  }
+}