9683 search results - page 1449 / 1937 » Predicting query performance |
213
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SIGMOD
2004
ACM
16 years 7 months ago
2004
ACM
Graph has become increasingly important in modelling complicated structures and schemaless data such as proteins, chemical compounds, and XML documents. Given a graph query, it is...
182
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EDBT
2004
ACM
16 years 7 months ago
2004
ACM
To effectively support today's global economy, database systems need to store and manipulate text data in multiple languages simultaneously. Current database systems do suppor...
211
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MOBISYS
2008
ACM
16 years 6 months ago
2008
ACM
Proactively providing services to mobile individuals is essential for emerging ubiquitous applications. The major challenge in providing users with proactive services lies in cont...
181
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MOBIHOC
2005
ACM
16 years 6 months ago
2005
ACM
This paper proposes a location service to assist location-based routing protocols, realized through a novel Associativity-Based clustering protocol. The main goal of our scheme, w...
155
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ECIR
2009
Springer
16 years 4 months ago
2009
Springer
Document retrieval systems conventionally use words as the basic unit of representation, a natural choice since words are primary carriers of semantic information. In this paper w...