During the extended February 20–24 weekend, this website and the SIGSEM mailing list are migrated to a new server. There may be bumps ahead.
Downloadable or online systems:
- APE - Attempto Parsing Engine
- Babel - HPSG-based parser for German
- Boxer - wide coverage deep semantic processing, based on DRT
- CURT - The CURT system from the Blackburn & Bos (2005) book
- OpenNLP - including OpenCCG, Maxent Java libraries and the OpenNLP Tools
- PyPES - Python Platform for Experimentation with Semantics (can process MRS representations)
- Nutcracker - system for recognising textual inference (RTE)
- Utool - "The Swiss Army Knife of Underspecification"
Related pages in the ACL Wiki: