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» Entity Retrieval via Entity Factoid Hierarchy
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CIKM
2010
Springer
13 years 3 months ago
Rank learning for factoid question answering with linguistic and semantic constraints
This work presents a general rank-learning framework for passage ranking within Question Answering (QA) systems using linguistic and semantic features. The framework enables query...
Matthew W. Bilotti, Jonathan L. Elsas, Jaime G. Ca...
LREC
2008
100views Education» more  LREC 2008»
13 years 6 months ago
Scaling Answer Type Detection to Large Hierarchies
This paper describes the creation of a state-of-the-art answer type detection system capable of recognizing more than 200 different expected answer types with greater than 85% pre...
Kirk Roberts, Andrew Hickl
CORR
2010
Springer
140views Education» more  CORR 2010»
13 years 5 months ago
Evaluation of Query Generators for Entity Search Engines
Dynamic web applications such as mashups need efficient access to web data that is only accessible via entity search engines (e.g. product or publication search engines). However,...
Stefan Endrullis, Andreas Thor, Erhard Rahm
WEBI
2007
Springer
13 years 11 months ago
Measuring Semantic Similarity between Named Entities by Searching the Web Directory
The importance of named entities in information retrieval and knowledge management has recently brought interest in characterizing semantic relationships between entities. In this...
Jiahui Liu, Larry Birnbaum
SIGIR
2009
ACM
13 years 11 months ago
Web-derived resources for web information retrieval: from conceptual hierarchies to attribute hierarchies
A weakly-supervised extraction method identifies concepts within conceptual hierarchies, at the appropriate level of specificity (e.g., Bank vs. Institution), to which attribute...
Marius Pasca, Enrique Alfonseca