Update README.md

README.md

@@ -2,6 +2,8 @@
 license: mit
 task_categories:
 - question-answering
+- summarization
+- text-classification
 language:
 - en
 tags:
@@ -9,4 +11,68 @@ tags:
 pretty_name: D.B. Cooper Files Text
 size_categories:
 - 10K<n<100K
----
+---
+
+# DB Cooper FBI Files Text Dataset
+
+This dataset contains extracted text from the FBI's case files on the infamous "DB Cooper" skyjacking (NORJAK investigation). The files are sourced from the [db-cooper-files-text GitHub repository](https://github.com/noops888/db-cooper-files-text) and are provided here for open research and analysis.
+
+## Dataset Details
+
+- **Source:** FBI NORJAK (DB Cooper) case files, as released and processed in the [db-cooper-files-text project](https://github.com/noops888/db-cooper-files-text).
+- **Format:** Each entry contains a chunk of extracted text, the source page, and file metadata.
+- **Rows:** 44,138
+- **Size:** ~63.7 MB (raw); ~26.8 MB (Parquet)
+- **License:** Public domain (U.S. government work); see original repository for details.
+
+## Motivation
+
+This dataset was created to facilitate research and exploration of one of the most famous unsolved cases in U.S. criminal history. It enables:
+- Question answering and information retrieval over the DB Cooper files.
+- Text mining, entity extraction, and timeline reconstruction.
+- Comparative analysis with other historical FBI files (e.g., the JFK assassination records).
+
+## Similar Datasets
+
+- [JFK Files Text](https://huggingface.co/datasets/mysocratesnote/jfk-files-text): Extracted text from the JFK assassination records, processed in a similar fashion. See also [jfk-files-text GitHub](https://github.com/noops888/jfk-files-text)[3][5][7].
+
+## Data Structure
+
+Each row in the dataset contains:
+- `id`: Unique identifier for the text chunk.
+- `content`: Raw extracted text from the FBI file.
+- `sourcepage`: Reference to the original file and page.
+- `sourcefile`: Name of [the original PDF file.](https://github.com/noops888/db-cooper-files-text/tree/main/download_script/pdfs)
+
+Example:
+
+```json
+{
+  "id": "file-cooper_d_b_part042_pdf-636F6F7065725F645F625F706172743034322E706466-page-5",
+  "content": "The Seattle Office advised the Bureau by airtel dated 5/16/78 that approximately 80 partial latent prints were obtained from the NORJAK aircraft...",
+  "sourcepage": "cooper_d_b_part042.pdf#page=4",
+  "sourcefile": "cooper_d_b_part042.pdf"
+}
+```
+
+## Usage
+
+This dataset is suitable for:
+- **Question answering**: Retrieve answers to questions about the DB Cooper case directly from primary sources.
+- **Information retrieval**: Build search engines or retrieval-augmented generation (RAG) systems.
+- **Named entity recognition**: Extract people, places, dates, and organizations from FBI documents.
+- **Historical research**: Analyze investigation methods, suspects, and case developments.
+
+## Task Categories
+
+Besides "question answering", this dataset is well-suited for the following task categories:
+
+- **Information Retrieval**: Document and passage retrieval from large corpora of unstructured text.
+- **Named Entity Recognition (NER)**: Identifying people, places, organizations, and other entities in historical documents.
+- **Summarization**: Generating summaries of lengthy case files or investigative reports.
+- **Document Classification**: Categorizing documents by topic, date, or investigative lead.
+- **Timeline Extraction**: Building chronological event sequences from investigative records.
+
+## Acknowledgments
+
+- FBI for releasing the NORJAK case files.