53390 search results - page 10549 / 10678 » Computer Systems Analysis |
220
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SIGMOD
2008
ACM
16 years 5 months ago
2008
ACM
Today's enterprise databases are large and complex, often relating hundreds of entities. Enabling ordinary users to query such databases and derive value from them has been o...
241
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SIGMOD
2008
ACM
16 years 5 months ago
2008
ACM
Graphs are widely used to model real world objects and their relationships, and large graph datasets are common in many application domains. To understand the underlying character...
218
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SIGMOD
2007
ACM
16 years 5 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...
235
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SIGMOD
2007
ACM
16 years 5 months ago
2007
ACM
Complex queries often contain common or similar subexpressions, either within a single query or among multiple queries submitted as a batch. If so, query execution time can be imp...
225
click to vote
SIGMOD
2007
ACM
16 years 5 months ago
2007
ACM
Partial evaluation has recently proven an effective technique for evaluating Boolean XPath queries over a fragmented tree that is distributed over a number of sites. What left ope...