19 search results - page 1 / 4 » Model Tree Learning for Query Term Weighting in Question Ans... |
ECIR
2007
Springer
13 years 9 months ago
2007
Springer
Question answering systems rely on retrieval components to identify documents that contain an answer to a user’s question. The formulation of queries that are used for retrieving...
ICTAI
2008
IEEE
14 years 2 months ago
2008
IEEE
Unlike simple questions, complex questions cannot be answered by simply extracting named entities. These questions require inferencing and synthesizing information from multiple d...
ECIR
2009
Springer
14 years 4 months ago
2009
Springer
Abstract. We present a new learning to rank framework for estimating context-sensitive term weights without use of feedback. Specifically, knowledge of effective term weights on ...
EMNLP
2008
13 years 9 months ago
2008
Complex questions that require inferencing and synthesizing information from multiple documents can be seen as a kind of topicoriented, informative multi-document summarization. I...
ERCIMDL
2010
Springer
13 years 8 months ago
2010
Springer
A well-known challenge of information retrieval is how to infer a user's underlying information need when the input query consists of only a few keywords. Question Answering (...