574 search results - page 94 / 115 » Distributed Queries and Query Optimization in Schema-Based P... |
ICDM
2010
IEEE
14 years 11 months ago
2010
IEEE
-- Temporal data are time-critical in that the snapshot at each timestamp must be made available to researchers in a timely fashion. However, due to the limited data, each snapshot...
104
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SIGIR
2009
ACM
15 years 8 months ago
2009
ACM
Pseudo relevance feedback (PRF), which has been widely applied in IR, aims to derive a distribution from the top n pseudo relevant documents D. However, these documents are often ...
117
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ATAL
2007
Springer
15 years 8 months ago
2007
Springer
In this paper we consider the problem of managing and exploiting schedules in an uncertain and distributed environment. We assume a team of collaborative agents, each responsible ...
140
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SIGIR
2011
ACM
14 years 4 months ago
2011
ACM
Inverted indexes are the most fundamental and widely used data structures in information retrieval. For each unique word occurring in a document collection, the inverted index sto...
146
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SIGIR
2011
ACM
14 years 4 months ago
2011
ACM
A key challenge in recommender system research is how to effectively profile new users, a problem generally known as cold-start recommendation. Recently the idea of progressivel...