409 search results - page 36 / 82 » Plan Databases: Model and Algebra |
111
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BNCOD
2009
15 years 28 days ago
2009
Abstract. Database systems (DBSs) can play an essential role in facilitating the query and cache management in context-aware mobile information systems (CAMIS). Two of the fundamen...
DEBU
2002
14 years 11 months ago
2002
An increasing number of business users and software applications need to process information that is accessible via multiple diverse information systems, such as database systems,...
VLDB
1992
ACM
15 years 3 months ago
1992
ACM
In this paper, we explore the execution of pipelined hash joins in a multiprocessor-based database system. To improve the query execution, an innovative approach on query executio...
EDBT
2010
ACM
15 years 3 months ago
2010
ACM
This paper considers the problem of Multi-Geography Route Planning (MGRP) where the geographical information may be spread over multiple heterogeneous interconnected maps. We firs...
126
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ICDE
2011
IEEE
14 years 3 months ago
2011
IEEE
—When users submit new queries to a distributed stream processing system (DSPS), a query planner must allocate physical resources, such as CPU cores, memory and network bandwidth...