75 search results - page 5 / 15 » A Revisit of Query Expansion with Different Semantic Levels |
ADBIS
2010
Springer
14 years 11 months ago
2010
Springer
Abstract. The need for location-based services has motivated an important research effort in the efficient processing of location-dependent queries. Most of the existing approaches...
SIGIR
2008
ACM
14 years 9 months ago
2008
ACM
Online communities have become popular for publishing and searching content, as well as for finding and connecting to other users. User-generated content includes, for example, pe...
TREC
2001
14 years 11 months ago
2001
PiQASso is a Question Answering system based on a combination of modern IR techniques and a series of semantic filters for selecting paragraphs containing a justifiable answer. Se...
WWW
2003
ACM
15 years 10 months ago
2003
ACM
In contrast to traditional document retrieval, a web page as a whole is not a good information unit to search because it often contains multiple topics and a lot of irrelevant inf...
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SIGMOD
2005
ACM
15 years 9 months ago
2005
ACM
Clio, the IBM Research system for expressing declarative schema mappings, has progressed in the past few years from a research prototype into a technology that is behind some of I...