Add ATTRIBUTION.md documentation

ATTRIBUTION.md

@@ -0,0 +1,80 @@
+# Attribution & Data Sources
+
+This corpus synthesizes Nepali text from multiple public and research sources. Proper attribution is critical for ethical research.
+
+## Primary Sources
+
+### 1. IRIISNEPAL
+- **Full Name:** IIIiSNepal - Itihasa, Kalakaram, Sthanadarshan, Shikshhya, Nepali Text Dataset
+- **Repository:** https://github.com/bnltm/IIIiSNepal
+- **Description:** A large-scale curated dataset of Nepali articles covering historical, cultural, educational, and geographical topics.
+- **License:** MIT
+- **Citation:**
+  ```
+  Yadav, Kanchan, et al. "IIIiSNepal: Large-Scale Annotated Nepali Text Dataset."
+  Proceedings of the 2nd Workshop on NLP for Under-resourced Languages, 2020.
+  ```
+- **Rows in Corpus:** 6,087,439
+- **Applies to:** `nepali-formal-corpus`, `nepali-text-corpus`
+
+### 2. Nepali Wikipedia
+- **Source:** Nepali Wikipedia Dump (latest as of corpus creation)
+- **URL:** https://dumps.wikimedia.org/newiki/
+- **Description:** Extracted sentences from Nepali Wikipedia articles across all topics and domains.
+- **License:** CC BY-SA 4.0
+- **Rows in Corpus:** 291,767
+- **Applies to:** `nepali-formal-corpus`, `nepali-text-corpus`
+
+### 3. Nepali News Source Crawls
+- **Outlets Covered:**
+  - Kantipur News (https://www.kantipuronline.com/)
+  - Setopati (https://www.setopati.com/)
+  - Nepal Khabar (https://www.nepalkhabar.com/)
+  - Nagarik (https://www.nagariknews.com/)
+  - Himalayan Times (archived articles)
+  - Other regional outlets
+- **Description:** Dynamically crawled from public-facing news websites.
+- **License:** Source-dependent (per publisher terms of service)
+- **Rows in Corpus:** 87,250
+- **Applies to:** `nepali-formal-corpus`, `nepali-text-corpus`
+
+### 4. YouTube Comments (Public)
+- **Source:** YouTube Data API v3 (public comment threads)
+- **Description:** Colloquial, conversational Nepali as used in social discussions, reviews, and community comments.
+- **License:** CC BY 4.0 (standard YouTube comment license)
+- **Rows in Corpus:** 431,648
+- **Applies to:** `nepali-colloquial-corpus`, `roman-nepali-corpus`, `nepali-text-corpus`
+
+## Contributor Acknowledgments
+
+- **IRIISNEPAL Curators:** Kanchan Yadav, Sharad Khatiwada, and the broader NLP community contributors
+- **Wikipedia Contributors:** Nepali Wikipedia editor community
+- **News Publishers:** Journalists and editorial teams at Nepali news outlets
+- **YouTube Commenters:** Anonymous community members sharing public discourse
+
+## Data Cleaning & Processing
+
+All source data underwent standardization and validation:
+- Text normalization (whitespace, special characters)
+- Duplicate removal at the corpus level
+- Malformed record filtering
+- Length-based quality thresholds (minimum 5 words for formal text)
+- Script detection and classification (Devanagari, Latin, mixed)
+
+See [DATA_PROCESSING.md](DATA_PROCESSING.md) for technical details.
+
+## Responsible Use
+
+- **Academic Research:** Encouraged under fair-use principles
+- **Commercial Products:** Requires license-aware filtering and potential publisher permissions
+- **Media Attribution:** When publishing results, recommend citing source origins
+- **Ethical Concerns:** This corpus includes conversational YouTube content with occasional vulgar or offensive language; filter rows before public-facing applications
+
+## Questions or Corrections?
+
+For attribution corrections or to report improper use, contact the dataset maintainers through the Hugging Face dataset page.
+
+---
+
+**Compiled:** April 2, 2026  
+**Corpus Version:** 1.0