2070 search results - page 289 / 414 » Querying Communities in Relational Databases |
93
Voted
SIGMOD
2004
ACM
16 years 29 days ago
2004
ACM
Sovereign information sharing allows autonomous entities to compute queries across their databases in such a way that nothing apart from the result is revealed. We describe an imp...
106
Voted
SIGMOD
1998
ACM
15 years 5 months ago
1998
ACM
Query optimization is an integral part of relational database management systems. One important task in query optimization is selectivity estimation, that is, given a query P, we ...
233
Voted
ICDE
2006
IEEE
16 years 2 months ago
2006
IEEE
Incorporating the skyline operator inside the relational engine requires solving the cardinality estimation and the cost estimation problem, hitherto unaddressed. We propose robus...
120
Voted
PODS
2010
ACM
15 years 5 months ago
2010
ACM
There are major trends to advance the functionality of search engines to a more expressive semantic level. This is enabled by the advent of knowledge-sharing communities such as W...
138
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EDBT
2012
ACM
13 years 3 months ago
2012
ACM
In this paper we consider the problem of answering queries using views, with or without ontological constraints, which is important for data integration, query optimization, and d...