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==References==
==References==
*{{Book reference | Author=Vasile Rus | Title=[http://www.engr.smu.edu/~vasile/rus02.PhDThesis.ps Logic Form for WordNet Glosses] | Publisher=Ph.D. thesis, Southern Methodist University | Year=2002 | ID=}} <!-- Most information in the article derived from Vasile's work -->
*{{cite book | author=Vasile Rus | title=[http://www.engr.smu.edu/~vasile/rus02.PhDThesis.ps Logic Form for WordNet Glosses] | publisher=Ph.D. thesis, Southern Methodist University | year=2002 | id=}} <!-- Most information in the article derived from Vasile's work -->
*{{cite journal | author=Vasile Rus and Dan Moldovan | title=[http://www.worldscinet.com/ijait/11/1103/S0218213002000976.html High performance logic form transformation] | journal=International Journal for Tools with Artificial Intelligence. IEEE Computer Society, IEEE Press | year=September, 2002 | volume=11, No. 3 | pages=437-454}}
*{{cite journal | author=Vasile Rus and Dan Moldovan | title=[http://www.worldscinet.com/ijait/11/1103/S0218213002000976.html High performance logic form transformation] | journal=International Journal for Tools with Artificial Intelligence. IEEE Computer Society, IEEE Press | year=September, 2002 | volume=11, No. 3 | pages=437-454}}
*{{Conference reference | Author=Dan Moldovan and Vasile Rus | Title=[http://engr.smu.edu/~vasile/acl2001.ps Logic Form transformation of wordNet and its Applicability to question answering] | Booktitle=Proceedings of ACL 2001, Toulouse, France | Year=2001 | Pages=}}
*{{Conference reference | Author=Dan Moldovan and Vasile Rus | Title=[http://engr.smu.edu/~vasile/acl2001.ps Logic Form transformation of wordNet and its Applicability to question answering] | Booktitle=Proceedings of ACL 2001, Toulouse, France | Year=2001 | Pages=}}

Revision as of 20:47, 26 February 2006

Logic forms are simple, first-order logic knowledge representations of natural language sentences formed by the conjunction of concept predicates related through shared arguments. Each noun, verb, adjective, adverb, pronoun, preposition and conjunction generates a predicate. Logic forms can be decorated with word senses to disambiguate the semantics of the word. There are two types of predicates: events are marked with e, and entities are marked with x. The shared arguments connect the subjects and objects of verbs and prepositions together. Example input/output might look like this:

Input:  The Earth provides the food we eat every day.
Output: Earth:n_#1(x1) provide:v_#2(e1, x1, x2) food:n_#1(x2) we(x3) eat:v_#1(e2, x3, x2; x4) day:n_#1(x4)

Logic forms are used in some natural language processing techniques, such as question answering, as well as in inference both for database systems and QA systems.

Evaluations

SENSEVAL-3 in 2004 introduced a Logic Form Identification task.

References

  • Vasile Rus (2002). Logic Form for WordNet Glosses. Ph.D. thesis, Southern Methodist University. {{cite book}}: External link in |title= (help)
  • Vasile Rus and Dan Moldovan (September, 2002). "High performance logic form transformation". International Journal for Tools with Artificial Intelligence. IEEE Computer Society, IEEE Press. 11, No. 3: 437–454. {{cite journal}}: Check date values in: |year= (help); External link in |title= (help)CS1 maint: year (link)
  • {{cite conference}}: Empty citation (help)
  • {{cite conference}}: Empty citation (help)
  • {{cite conference}}: Empty citation (help)