publication . Part of book or chapter of book . Conference object . 2009

Efficient Question Answering with Question Decomposition and Multiple Answer Streams

Hartrumpf, Sven; Glöckner, Ingo; Leveling, Johannes;
Open Access
  • Published: 30 Sep 2009
  • Publisher: Springer Berlin Heidelberg
  • Country: Ireland
Abstract
The German question answering (QA) system IRSAW (formerly: InSicht) participated in QA@CLEF for the fifth time. IRSAW was introduced in 2007 by integrating the deep answer producer InSicht, several shallow answer producers, and a logical validator. InSicht builds on a deep QA approach: it transforms documents to semantic representations using a parser, draws inferences on semantic representations with rules, and matches semantic representations derived from questions and documents. InSicht was improved for QA@CLEF 2008 mainly in the following two areas. The coreference resolver was trained on question series instead of newspaper texts in order to be better appli...
Subjects
free text keywords: Query expansion, Artificial intelligence, business.industry, business, Parsing, computer.software_genre, computer, Information retrieval, Question answering, Web service, Natural language processing, Semantic network, Machine translation, Computer science, Coreference, Validator, Concept search, Computation, Relevance feedback, Ranking (information retrieval), Relevance (information retrieval), Stop words, Recall
Related Organizations
Communities
Digital Humanities and Cultural Heritage
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publication . Part of book or chapter of book . Conference object . 2009

Efficient Question Answering with Question Decomposition and Multiple Answer Streams

Hartrumpf, Sven; Glöckner, Ingo; Leveling, Johannes;