2063 search results - page 247 / 413 » Containment of Aggregate Queries |
212
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ICDE
2007
IEEE
16 years 6 months ago
2007
IEEE
Queries containing outer joins are common in data warehousing applications. Materialized outer-join views could greatly speed up many such queries but most database systems do not...
127
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ICPR
2002
IEEE
16 years 6 months ago
2002
IEEE
This paper proposes a novel view of the information generated by relevance feedback. Latent semantic analysis is adapted to this view to extract useful inter-query information. Th...
148
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KDD
2006
ACM
16 years 5 months ago
2006
ACM
Long-term search history contains rich information about a user's search preferences. In this paper, we study statistical language modeling based methods to mine contextual i...
145
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SIGMOD
2003
ACM
16 years 5 months ago
2003
ACM
Object-oriented and object-relational DBMS support setvalued attributes, which are a natural and concise way to model complex information. However, there has been limited research...
136
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IROS
2007
IEEE
15 years 11 months ago
2007
IEEE
— In this paper we present a new method for kinodynamic motion planning in environments that contain both static and moving obstacles. We present an efficient twostage approach:...