63 search results - page 12 / 13 » Incremental Maintenance for Materialized Views over Semistru... |
ICDT
1999
ACM
15 years 3 months ago
1999
ACM
Electronic newsgroups are one of the primary means for the dissemination, exchange and sharing of information. We argue that the current newsgroup model is unsatisfactory, especial...
101
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EDBTW
2004
Springer
15 years 5 months ago
2004
Springer
Many users and applications require the integration of semi-structured data from autonomous, heterogeneous Web sources. Over the last years mediator systems have emerged that use d...
191
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ICDE
2005
IEEE
16 years 1 months ago
2005
IEEE
We address the problem of executing continuous multiway join queries in unpredictable and volatile environments. Our query class captures windowed join queries in data stream syst...
101
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SIGMOD
1998
ACM
15 years 3 months ago
1998
ACM
In large data recording and warehousing environments, it is often advantageous to provide fast, approximate answers to queries, whenever possible. Before DBMSs providing highly-ac...
170
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VLDB
2007
ACM
15 years 12 months ago
2007
ACM
We consider systems for data sharing among heterogeneous peers related by a network of schema mappings. Each peer has a locally controlled and edited database instance, but wants ...