2414 search results - page 367 / 483 » Computing Normal Subgroups |
SIGMOD
2001
ACM
15 years 10 months ago
2001
ACM
Materialized views can provide massive improvements in query processing time, especially for aggregation queries over large tables. To realize this potential, the query optimizer ...
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MOBISYS
2003
ACM
15 years 9 months ago
2003
ACM
This work explores several system issues regarding the design and implementation of routing protocols for ad-hoc wireless networks. We examine the routing architecture in current ...
PAKDD
2009
ACM
15 years 7 months ago
2009
ACM
Abstract. Since current search engines employ link-based ranking algorithms as an important tool to decide a ranking of sites, Web spammers are making a significant effort to man...
SDM
2009
SIAM
15 years 7 months ago
2009
SIAM
Most datasets in real applications come in from multiple sources. As a result, we often have attributes information about data objects and various pairwise relations (similarity) ...
ECIR
2009
Springer
15 years 7 months ago
2009
Springer
Probabilistic retrieval models usually rank documents based on a scalar quantity. However, such models lack any estimate for the uncertainty associated with a document’s rank. Fu...