6495 search results - page 1028 / 1299 » Modeling Multidimensional Databases |
199
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SIGMOD
2006
ACM
16 years 23 days ago
2006
ACM
The Swiss National Competence Center for Research in mobile Information and Communication Systems (NCCR-MICS or MICS) is one of several research initiatives sponsored by the Swiss...
203
Voted
SIGMOD
2006
ACM
16 years 23 days ago
2006
ACM
Given a dataset P and a preference function f, a top-k query retrieves the k tuples in P with the highest scores according to f. Even though the problem is well-studied in convent...
147
Voted
SIGMOD
2004
ACM
16 years 23 days ago
2004
ACM
Virtually every commercial query optimizer chooses the best plan for a query using a cost model that relies heavily on accurate cardinality estimation. Cardinality estimation erro...
114
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SIGMOD
2002
ACM
16 years 23 days ago
2002
ACM
This paper addresses the problem of evaluating ranked top-? queries with expensive predicates. As major DBMSs now all support expensive user-defined predicates for Boolean queries...
111
Voted
ICWS
2009
IEEE
15 years 9 months ago
2009
IEEE
—The vision of the Semantic Web has brought about new challenges at the intersection of web research and data management. One fundamental research issue at this intersection is t...