6650 search results - page 276 / 1330 » Mutating database queries |
141
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SIGMOD
1999
ACM
15 years 9 months ago
1999
ACM
In this paper we present a mechanism for translating constraint queries, i.e., Boolean expressions of constraints, across heterogeneous information sources. Integrating such syste...
133
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FQAS
2006
Springer
15 years 8 months ago
2006
Springer
Searchers' difficulty in formulating effective queries for their information needs is well known. Analysis of search session logs shows that users often pose short, vague quer...
212
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SIGMOD
2007
ACM
16 years 4 months ago
2007
ACM
This paper investigates a class of transform queries proposed by XQuery Update [6]. A transform query is defined in terms of XML update syntax. When posed on an XML tree T, it ret...
178
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SSD
2007
Springer
15 years 10 months ago
2007
Springer
We address continuously processing an aggregation join query over data streams. Queries of this type involve both join and aggregation operations, with windows specified on join ...
139
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SSD
1999
Springer
15 years 9 months ago
1999
Springer
Traffic telematics comprises services like traffic information, navigation, and emergency call services. Providers of such services need large spatial databases especially for the ...