2070 search results - page 231 / 414 » Querying Communities in Relational Databases |
163
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ICEIS
2003
IEEE
15 years 11 months ago
2003
IEEE
Abstract: The work described in this article arises from two needs. First, there is still a need for providing more sophisticated database systems than just relational ones. Second...
252
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ICDE
2008
IEEE
16 years 7 months ago
2008
IEEE
We study the problem of answering XPATH queries using multiple materialized views. Despite the efforts on answering queries using single materialized view, answering queries using ...
273
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ICDE
2007
IEEE
16 years 7 months ago
2007
IEEE
Recently there has been increasing interest in the development of progress indicators for SQL queries. In this paper we present a lightweight online framework for this problem. Ou...
176
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EDBT
2002
ACM
16 years 6 months ago
2002
ACM
The problem of finding contained rewritings of queries using views is of great importance in mediated data integration systems. In this paper, we first present a general approach f...
188
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SSDBM
2008
IEEE
16 years 27 days ago
2008
IEEE
Abstract. Existing approaches to the management of streaming positional updates generally assume that all active user requests have equal importance, ignoring the possibility of an...