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Logic form

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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

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  • 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)
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