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license: cc-by-sa-4.0
task_categories:
- multiple-choice
- question-answering
language:
- ar
- bn
- de
- en
- es
- fr
- id
- ja
- pt
- ru
- sw
- zh
configs:
- config_name: ar
data_files:
- split: train
path: data/ar/train.parquet
- split: validation
path: data/ar/validation.parquet
- split: test
path: data/ar/test.parquet
- config_name: bn
data_files:
- split: train
path: data/bn/train.parquet
- split: validation
path: data/bn/validation.parquet
- split: test
path: data/bn/test.parquet
- config_name: de
data_files:
- split: train
path: data/de/train.parquet
- split: validation
path: data/de/validation.parquet
- split: test
path: data/de/test.parquet
- config_name: en
data_files:
- split: train
path: data/en/train.parquet
- split: validation
path: data/en/validation.parquet
- split: test
path: data/en/test.parquet
- config_name: es
data_files:
- split: train
path: data/es/train.parquet
- split: validation
path: data/es/validation.parquet
- split: test
path: data/es/test.parquet
- config_name: fr
data_files:
- split: train
path: data/fr/train.parquet
- split: validation
path: data/fr/validation.parquet
- split: test
path: data/fr/test.parquet
- config_name: id
data_files:
- split: train
path: data/id/train.parquet
- split: validation
path: data/id/validation.parquet
- split: test
path: data/id/test.parquet
- config_name: ja
data_files:
- split: train
path: data/ja/train.parquet
- split: validation
path: data/ja/validation.parquet
- split: test
path: data/ja/test.parquet
- config_name: pt
data_files:
- split: train
path: data/pt/train.parquet
- split: validation
path: data/pt/validation.parquet
- split: test
path: data/pt/test.parquet
- config_name: ru
data_files:
- split: train
path: data/ru/train.parquet
- split: validation
path: data/ru/validation.parquet
- split: test
path: data/ru/test.parquet
- config_name: sw
data_files:
- split: train
path: data/sw/train.parquet
- split: validation
path: data/sw/validation.parquet
- split: test
path: data/sw/test.parquet
- config_name: zh
data_files:
- split: train
path: data/zh/train.parquet
- split: validation
path: data/zh/validation.parquet
- split: test
path: data/zh/test.parquet
- config_name: parallel
data_files:
- split: train
path: data/parallel/train.parquet
- split: validation
path: data/parallel/validation.parquet
- split: test
path: data/parallel/test.parquet
---
# PolyFact
Parallel multilingual factual multiple-choice QA grounded in Wikidata. 100K facts × 12 languages, fully aligned by `fact_id` across all per-language configs.
## Usage
```python
from datasets import load_dataset
# One language at a time (SFT / eval)
ds = load_dataset("jvonrad/PolyFact", "en")
print(ds["train"][0])
# All languages aligned per fact (cross-lingual training)
par = load_dataset("jvonrad/PolyFact", "parallel")
print(par["train"][0]["translations"]["en"])
```
## Schema
**Per-language configs** (`ar`, `bn`, `de`, `en`, `es`, `fr`, `id`, `ja`, `pt`, `ru`, `sw`, `zh`) — flat, one row per (fact, language):
| Column | Type | Description |
|---|---|---|
| `fact_id` | string | Cross-language join key — `<subject_qid>\|<property_pid>\|<object_qid>` |
| `language` | string | ISO language code |
| `subject` | string | Subject entity label |
| `relation` | string | Relation name (e.g. `educated at`) |
| `object` | string | Object entity label (the canonical answer) |
| `question` | string | Natural-language question in `language` |
| `option_a`..`option_d` | string | Four multiple-choice options |
| `answer_text` | string | The correct option as text (matches one of `option_a`..`option_d`) |
| `answer_index` | int | 0-based index of the correct option |
For Wikidata Q-/P-ids (`subject_id`, `property_id`, `object_id`), load the `parallel` config and join on `fact_id`.
**`parallel` config** — one row per fact:
| Column | Type | Description |
|---|---|---|
| `fact_id`, `subject`, `subject_id`, `relation`, `property_id`, `object`, `object_id` | — | Shared across languages; Wikidata grounding lives here |
| `translations` | dict | `{lang_code: {question, option_a..d, answer_text, answer_index}}` |
Splits are parallel across languages: every `fact_id` in a split is present in all per-language configs.
|