---
pretty_name: TREC Question Classification
task_categories:
  - text-classification
language:
  - en
configs:
  - config_name: default
data_files:
  train: data/train.parquet
  validation: data/validation.parquet
  test: data/test.parquet
---

# TREC

A classic benchmark dataset for question classification with both coarse and fine-grained labels.

- **Size:** small, clean, ready to use  
- **Source:** [original release](https://cogcomp.seas.upenn.edu/Data/QA/QC/)  
- **Format:** stored in Parquet  
- **Compatibility:** 🧩 works with `datasets >= 4.0` (script loaders deprecated)  

## Reference

Li, X., & Roth, D. (2002).  
*Learning Question Classifiers.*  
[ACL Anthology](https://aclanthology.org/C02-1150/)