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KCAP
2011
ACM
14 years 6 months ago
An analysis of open information extraction based on semantic role labeling
Open Information Extraction extracts relations from text without requiring a pre-specified domain or vocabulary. While existing techniques have used only shallow syntactic featur...
Janara Christensen, Mausam, Stephen Soderland, Ore...
EPIA
2005
Springer
15 years 9 months ago
Improving Passage Retrieval in Question Answering Using NLP
Abstract. This paper describes an approach for the integration of linguistic information in passage retrieval in an open-source question answering system for Dutch. Annotation prod...
Jörg Tiedemann
ACL
2012
13 years 6 months ago
Using Search-Logs to Improve Query Tagging
Syntactic analysis of search queries is important for a variety of information-retrieval tasks; however, the lack of annotated data makes training query analysis models difficult...
Kuzman Ganchev, Keith Hall, Ryan T. McDonald, Slav...
CLEF
2007
Springer
15 years 10 months ago
UNED at Answer Validation Exercise 2007
The objective of the Answer Validation Exercise (AVE) 2007 is to develop systems able to decide if the answer to a question is correct or not. Since it is expected that a high per...
Álvaro Rodrigo, Anselmo Peñas, Felis...
ICTAI
2003
IEEE
15 years 9 months ago
Query Expansion and Query Reduction in Document Retrieval
We investigate two seemingly incompatible approaches for improving document retrieval performance in the context of question answering: query expansion and query reduction. Querie...
Ingrid Zukerman, Bhavani Raskutti, Yingying Wen