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README.md

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+---
+annotations_creators:
+- no-annotation
+language_creators:
+- found
+language:
+- en
+- ru
+license: unknown
+multimodal:
+- text
+- tabular
+pretty_name: Shikimori Dataset
+size_categories:
+- n_10K
+source_datasets:
+- original
+task_categories:
+- tabular-regression
+task_ids:
+- tabular-multi-class-classification
+---
+
+# Shikimori Dataset
+
+Anime database from [Shikimori](https://shikimori.one) with user ratings, suitable for recommender systems and ML research.
+
+## Dataset Structure
+
+The dataset contains **3 separate data files**:
+
+### anime.parquet / anime.jsonl (9,950 entries)
+Anime titles with metadata.
+| Field | Type | Description |
+|-------|------|-------------|
+| id | int | Shikimori anime ID |
+| name | string | English name |
+| russian | string | Russian name |
+| description | string | Synopsis (BBCode) |
+| score | float | Average community score |
+| rating | string | Age rating (g, pg_13, r, etc.) |
+| episodes | int | Total episodes |
+| episodes_aired | int | Aired episodes (for ongoing) |
+| duration | int | Episode duration in minutes |
+| genres | dict | Genre IDs and names |
+| season | string | Season (e.g. fall_2023) |
+| aired_on | string | Premiere date |
+| released_on | string | Release date |
+| status | string | released/ongoing/anons |
+| studios | dict | Studio info |
+| is_censored | bool | Censored flag |
+
+### users_rates.parquet / users_rates.jsonl (67,071 entries)
+User anime viewing history and ratings.
+| Field | Type | Description |
+|-------|------|-------------|
+| id | int | Rate ID |
+| user_id | int | Shikimori user ID |
+| anime_id | int | Anime ID |
+| score | int | User's score (0 = unset) |
+| episodes | int | Episodes watched |
+| rewatches | int | Rewatch count |
+| created_at | string | First rate timestamp |
+| updated_at | string | Last update timestamp |
+
+### genres.parquet / genres.jsonl (80 entries)
+Genre reference table.
+| Field | Type | Description |
+|-------|------|-------------|
+| id | int | Genre ID |
+| name | string | English name |
+| russian | string | Russian name |
+
+## Use Cases
+
+- **Recommender Systems** (Collaborative Filtering, Matrix Factorization)
+- **Anime Classification** by genre/description
+- **Score Prediction** models
+- **User Behavior Analysis**
+- **LLM fine-tuning** for anime recommendations
+
+## Data Source
+
+Original scraped from Shikimori API. See: https://shikimori.one/api/doc
+
+## Notes
+
+- Anime descriptions contain BBCode formatting (`[character=id]name[/character]`)
+- Scores are community averages (float, 1-10 scale)
+- Users are anonymized by ID (not by name)
+- Dataset snapshot date: April 2026