765 search results - page 21 / 153 » Query Processing over Incomplete Autonomous Databases |
ICDE
2010
IEEE
15 years 9 months ago
2010
IEEE
The sciences, business confederations, and medicine urgently need infrastructure for sharing data and updates among collaborators' constantly changing, heterogeneous databases...
VLDB
2002
ACM
14 years 9 months ago
2002
ACM
Recent work on querying data streams has focused on systems where newly arriving data is processed and continuously streamed to the user in real-time. In many emerging application...
SIGMOD
1999
ACM
15 years 2 months ago
1999
ACM
Query processing in data integration occurs over network-bound, autonomous data sources. This requires extensions to traditional optimization and execution techniques for three re...
170
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ICDE
2008
IEEE
15 years 11 months ago
2008
IEEE
This work introduces novel polynomial algorithms for processing top-k queries in uncertain databases under the generally adopted model of x-relations. An x-relation consists of a n...
106
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RIVF
2003
14 years 11 months ago
2003
Abstract— This paper presents our work on supporting flexible query evaluation over large distributed, heterogeneous, and autonomous sources. Flexibility means that the query ev...