---
language:
- sk
license: cc-by-4.0
size_categories:
- 10K<n<100K
task_categories:
- text-classification
tags:
- clustering
- slovak
- news
- mteb
pretty_name: Pravda.sk URL-based Clustering Dataset
dataset_info:
  features:
  - name: url
    dtype: string
  - name: title
    dtype: string
  - name: summary
    dtype: string
  - name: content
    dtype: string
  - name: date
    dtype: string
  - name: tags
    sequence: string
  - name: url_category
    dtype: string
  - name: url_subdomain
    dtype: string
  - name: url_section
    dtype: string
  splits:
  - name: test
    num_examples: 15000
---

# Pravda.sk URL-based Clustering Dataset

A Slovak news article clustering dataset based on URL structure from [pravda.sk](https://pravda.sk), designed for evaluating text clustering and embedding models.

## Dataset Description

This dataset contains 15,000 Slovak news articles categorized by their URL structure. Articles are organized into 50 categories across 11 subdomains, providing a hierarchical classification based on editorial decisions.

### Use Case

This dataset is designed for:
- Evaluating Slovak text embedding models
- Clustering benchmark tasks (MTEB)
- Text classification experiments
- Slovak NLP research

## Dataset Structure

### Fields

| Field | Type | Description |
|-------|------|-------------|
| `url` | string | Original article URL |
| `title` | string | Article headline |
| `summary` | string | Article summary/lead paragraph |
| `content` | string | Full article text |
| `date` | string | Publication date (ISO format) |
| `tags` | list[string] | Original pravda.sk tags |
| `url_category` | string | Full category path (e.g., `sportweb/tenis`) |
| `url_subdomain` | string | Subdomain (e.g., `sportweb`) |
| `url_section` | string | Section within subdomain (e.g., `tenis`) |

### Statistics

- **Total articles**: 15,000
- **Categories**: 50
- **Samples per category**: 300
- **Subdomains**: 11

### Subdomains

| Subdomain | Articles | Description |
|-----------|----------|-------------|
| `sportweb` | 2,100 | Sports news |
| `vat` | 2,100 | Science & technology |
| `koktail` | 1,800 | Celebrity & entertainment |
| `spravy` | 1,800 | General news |
| `cestovanie` | 1,500 | Travel |
| `ekonomika` | 1,200 | Business & economy |
| `kultura` | 1,200 | Culture & arts |
| `zurnal` | 1,200 | Magazine/features |
| `auto` | 900 | Automotive |
| `zdravie` | 900 | Health |
| `uzitocna` | 300 | Practical/lifestyle |

## Data Quality

- **No duplicates**: Deduplicated by `title` + `summary` combination
- **No null values**: All articles have valid `title` and `summary` fields
- **Balanced**: 300 samples per category

## Usage

```python
from datasets import load_dataset

dataset = load_dataset("NaiveNeuron/pravda-sk-url-clustering")

# Access the test split
articles = dataset["test"]

# Example: Get articles by category
tennis_articles = [a for a in articles if a["url_category"] == "sportweb/tenis"]
```

## Source

Articles were collected from [pravda.sk](https://pravda.sk) via [web.archive.org](https://web.archive.org) snapshots spanning 2004-2025.

## License

This dataset is released under CC-BY-4.0. Please check pravda.sk terms of service for content usage rights.

## Citation

If you use this dataset, please cite:

```bibtex
@dataset{pravda_sk_url_clustering,
  title = {Pravda.sk URL-based Clustering Dataset},
  author = {NaiveNeuron},
  year = {2025},
  publisher = {Hugging Face},
  url = {https://huggingface.co/datasets/NaiveNeuron/pravda-sk-url-clustering}
}
```