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README.md

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+# 📜 Shaiva & Tantric Sanskrit Corpus (Cleaned from GRETIL)
+
+A structured dataset of **classical Sanskrit Shaiva, Tantric, Yogic, and philosophical texts**, cleaned and converted into a machine-learning friendly tabular format.
+
+The texts were sourced from the **GRETIL – Göttingen Register of Electronic Texts in Indian Languages** and transformed into structured datasets for computational research.
+
+🔗 Original Source  
+https://gretil.sub.uni-goettingen.de/gretil.html
+
+---
+
+# 📚 About GRETIL
+
+**GRETIL (Göttingen Register of Electronic Texts in Indian Languages)** is a digital archive maintained by the **Göttingen State and University Library (Germany)**.
+
+It contains machine-readable texts in:
+
+- Sanskrit  
+- Pali  
+- Prakrit  
+- Tibetan  
+- Other South Asian languages  
+
+These texts are widely used in **Indology, Sanskrit studies, and digital humanities research**.
+
+The present dataset reorganizes and structures these texts into a **verse-level dataset suitable for NLP and AI research**.
+
+⚠️ The original texts remain under copyright of their respective editors and publishers.
+
+---
+
+# 📂 Texts Included in This Dataset
+
+The following texts were processed and cleaned from the GRETIL repository.
+
+## Stotras and Devotional Literature
+
+- **Bhaṭṭa Nārāyaṇa — Stavacintāmaṇi** (input by Harunaga Isaacson)  
+- **Cakrapāṇinātha — Bhāvopahārastotra** with Rāmyadeva Bhaṭṭa’s Vivarana (input by Somadeva Vasudeva)  
+- **Jñānasambhu — Śivapūjāstava** (input by Dominic Goodall)  
+- **Kalhaṇa — Ardhanārīśvarastotra** (input by Walter Slaje)  
+- **Śivamahimnastava** (input by Harunaga Isaacson)  
+- **Utpaladeva — Śivastotrāvali** (input by Somadeva Vasudeva)
+
+---
+
+## Tantric and Āgamic Texts
+
+- **Devīkalottara Āgama** (input by Dominic Goodall)  
+- **Kubjikāmata Tantra** (input by Somadeva Vasudeva)  
+- **Mālinīvijayottaratantra** (input by Somadeva Vasudeva)  
+- **Mātṛkābhedatantra** (input by Oliver Hellwig)  
+- **Kiraṇa Tantra (Chapters 1–6)** with Rāmakaṇṭha commentary (input by Dominic Goodall)  
+- **Mṛgendrāgama (Mṛgendratantra)** (inputs by Dominic Goodall and Oliver Hellwig)  
+- **Sārdhatriśatikālottarāgama** (input by Dominic Goodall, corrected by Yang Mei)  
+- **Svacchanda Tantra / Svacchandabhairava Tantra** (input by Dominic Goodall et al.)  
+- **Toḍala Tantra** (input by Oliver Hellwig)  
+- **Uḍḍāmareśvara Tantra** (input by Oliver Hellwig)  
+- **Vīṇāśikha Tantra** (input by Somadeva Vasudeva)
+
+---
+
+## Śaiva Philosophy and Related Works
+
+- **Śivasūtra with Vārttika** (input by Oliver Hellwig)  
+- **Śiva Upaniṣad** (input by Reinhold Grünendahl)  
+- **Somānanda — Śāktavijñāna** (input by Oliver Hellwig)  
+- **Śrīkaṇṭha — Ratnatrayaparīkṣā** (input by Dominic Goodall)
+
+---
+
+## Śaiva Ritual and Yoga Texts
+
+- **Paraśurāmakalpasūtra** (input by Claudia Weber)  
+- **Pāśupatasūtra** (input by Reinhold Grünendahl)  
+- **Pāśupatasūtra with Kauṇḍinya’s Pañcārthabhāṣya** (input by Oliver Hellwig)
+
+---
+
+## Lexicographical and Other Texts
+
+- **Bijanighaṇṭu** (input by Oliver Hellwig)  
+- **Puruṣottamadeva — Ekākṣarakośa** (input by Oliver Hellwig)
+
+---
+
+## Nath and Yogic Texts
+
+- **Gorakṣanātha — Amaraughaśāsana** with commentary (input by Oliver Hellwig)  
+- **Gorakṣaśataka** (two versions)
+
+---
+
+## Regional and Historical Texts
+
+- **Karatoyāmāhātmya** (input by Arlo Griffiths)
+
+---
+
+## Classical Sanskrit Works
+
+- **Śaṅkara (attrib.) — Saundaryalaharī** (input by Peter Schreiner)
+
+---
+
+# 🗂 Dataset Structure
+
+Each row represents a **single verse or textual unit**.
+
+| Column | Description |
+|------|-------------|
+| text_name | Name of the source text |
+| chapter | Chapter or section |
+| verse_no | Verse number |
+| sanskrit_transliteration | IAST transliteration |
+| sanskrit_devanagari | Devanagari script |
+
+Example:
+
+| text_name | chapter | verse_no | transliteration | devanagari |
+|---|---|---|---|---|
+| Saundaryalahari | 1 | 1 | śivaḥ śaktyā yukto... | शिवः शक्त्या युक्तो... |
+
+---
+
+# 🧹 Data Processing Pipeline
+
+The following preprocessing steps were applied:
+
+1. Removal of metadata and markup from GRETIL text files  
+2. Regex-based verse extraction  
+3. Normalization of transliteration (IAST)  
+4. Conversion to Devanagari  
+5. Standardization of whitespace and punctuation  
+6. Conversion to structured DataFrame format
+
+---
+
+# 🔬 Possible Use Cases
+
+### Sanskrit NLP
+
+- Sanskrit language models
+- Sanskrit embeddings
+- Morphological analysis
+
+### AI Research
+
+- Sanskrit LLM training
+- Retrieval-Augmented Generation (RAG)
+- Semantic search across scriptures
+
+### Digital Humanities
+
+- Tantric textual analysis
+- Shaiva philosophical studies
+- Knowledge graph construction
+
+---
+
+# 📖 Attribution
+
+All source texts originate from:
+
+**GRETIL – Göttingen Register of Electronic Texts in Indian Languages**
+
+https://gretil.sub.uni-goettingen.de/gretil.html
+
+Please cite GRETIL when using this dataset in academic work.
+
+---
+
+# 👨‍💻 Maintainer
+
+**DataSpoof**
+
+---
+
+# 🙏 Acknowledgements
+
+Special thanks to:
+
+- GRETIL
+- Göttingen State and University Library
+- The scholars who digitized and edited these Sanskrit texts
+
+---