Improving a Question Answering System for Romanian Using Textual Entailment

Improving a Question Answering System for Romanian Using Textual Entailment Adrian Iftene, Alexandra Balahur-Dobrescu {adiftene, abalahur}@info.uaic.ro „ Al. I. Cuza“ University, Iasi, Romania Faculty of Computer Science

Overview ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Textual Entailment ,[object Object],[object Object],[object Object],[object Object],[object Object]

System presentation Resources Initial data DIRT Minipar module Dependency trees for (T, H) pairs LingPipe module Named entities for (T, H) pairs Final result Core Module3 Core Module2 Core Module1 Acronyms Background knowledge Wordnet P2P Computers Wikipedia

GATE for Romanian ,[object Object],[object Object]

Acronyms database ,[object Object],[object Object],[object Object]

The Background Knowledge ,[object Object],[object Object],Chinese [in] China II [is] February America [is] United States of America American [in] America Bucharest [in] Romania

Fitness calculation ,[object Object],[object Object],[object Object]

Fitness calculation (cont…) ,[object Object]

Fitness calculation (cont…) 7 1961 11 4 1899 10 - an 9 - trăi, exista, vieţui 8 32 American, America, US, USA 7 12 povestire, mit, parabolă, naraţiune 6 11, 31 realizator, producător, creator, participant, autor 5 10 novelist 4 9 romancier, scriitor 3 8, 30 faimos, celebru, excelent 2 1 Ernest Hemingway 1 Positions in Text Word No

Using the TE system in the QA system ,[object Object],[object Object],[object Object]

Example ,[object Object],[object Object],[object Object],[object Object]

Example (cont…) ,[object Object],[object Object],[object Object],[object Object],[object Object]

Results ,[object Object],[object Object],[object Object]

Conclusions & Future Work ,[object Object],[object Object],[object Object]

Acknowledgments ,[object Object],[object Object],[object Object],[object Object],[object Object]

Improving a Question Answering System for Romanian Using Textual Entailment

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Improving a Question Answering System for Romanian Using Textual Entailment