Dataset Overview

Basic Information

• Language: English
• License: CC BY NC SA 3.0
• Multilinguality: Monolingual
• Dataset Name: MLEE
• Homepage: http://www.nactem.ac.uk/MLEE/
• Publicly Available: Yes
• Accessible via PubMed: Yes

Task Types

• Event Extraction (EVENT_EXTRACTION)
• Named Entity Recognition (NAMED_ENTITY_RECOGNITION)
• Relation Extraction (RELATION_EXTRACTION)
• Coreference Resolution (COREFERENCE_RESOLUTION)

Dataset Description

MLEE is an event‑extraction corpus containing manual annotations of entities, relations, events, and coreference for abstracts of angiogenesis papers. Annotations span molecular, cellular, tissue, and organ‑level biological processes.

Citation

@article{pyysalo2012event, title={Event extraction across multiple levels of biological organization}, author={Pyysalo, Sampo and Ohta, Tomoko and Miwa, Makoto and Cho, Han‑Cheol and Tsujii, Jun'ichi and Ananiadou, Sophia}, journal={Bioinformatics}, volume={28}, number={18}, pages={i575--i581}, year={2012}, publisher={Oxford University Press} }