# Difference between revisions of "Semantics software for English"

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*[http://www.ling.upenn.edu/lambda Lambda Calculator] - pedagogical software for lambda calculus and formal semantics in the style of the Heim & Kratzer (1998) textbook | *[http://www.ling.upenn.edu/lambda Lambda Calculator] - pedagogical software for lambda calculus and formal semantics in the style of the Heim & Kratzer (1998) textbook | ||

*[http://nltk.org NLTK semantics] - Python libraries for lambda calculus, first order model checking, DRT, glue semantics, a tableau theorem prover and interfaces to external inference programs (Prover9, Mace4) | *[http://nltk.org NLTK semantics] - Python libraries for lambda calculus, first order model checking, DRT, glue semantics, a tableau theorem prover and interfaces to external inference programs (Prover9, Mace4) | ||

+ | *[http://opencog.org/wiki/RelEx RelEx], an English-language semantic relationship extractor. Provides framing/grounding also, as well as tagging of various sorts. Open source, Java, Apache license. | ||

*[http://senseclusters.sourceforge.net/ SenseClusters] | *[http://senseclusters.sourceforge.net/ SenseClusters] | ||

*[http://www.comp.lancs.ac.uk/ucrel/usas/ UCREL] - Semantic Analysis System | *[http://www.comp.lancs.ac.uk/ucrel/usas/ UCREL] - Semantic Analysis System |

## Revision as of 13:05, 18 April 2008

**Software - Semantics**

- Boxer - wide-coverage semantics based on DRT (Discourse Representation Theory)
- Connexor Machinese Semantics
- ClearForest Semantic Web Service (API)
- Intellexer - Natural Language Searching Technologies
- Lambda Calculator - pedagogical software for lambda calculus and formal semantics in the style of the Heim & Kratzer (1998) textbook
- NLTK semantics - Python libraries for lambda calculus, first order model checking, DRT, glue semantics, a tableau theorem prover and interfaces to external inference programs (Prover9, Mace4)
- RelEx, an English-language semantic relationship extractor. Provides framing/grounding also, as well as tagging of various sorts. Open source, Java, Apache license.
- SenseClusters
- UCREL - Semantic Analysis System
- utool The Swiss Army Knife of Underspecification