1300 search results - page 223 / 260 » XML Query Processing and Optimization |
195
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ICDE
2008
IEEE
16 years 3 months ago
2008
IEEE
A common technique for processing conjunctive queries is to first match each predicate separately using an index lookup, and then compute the intersection of the resulting rowid li...
121
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VLDB
1995
ACM
15 years 5 months ago
1995
ACM
Query processing is one of the most, critical issues in Object-Oriented DBMSs. Extensible opt,imizers with efficient, search strategies require a cost model to select the most eff...
119
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DKE
2007
15 years 1 months ago
2007
Histogram techniques have been used in many commercial database management systems to estimate a query result size. Recently, it has been shown that they are very effective to su...
133
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JIIS
2006
15 years 1 months ago
2006
A join of two relations in real databases is usually much smaller than their cartesian product. This means that most of the combinations of tuples in the crossproduct of the respe...
135
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SIGMOD
2004
ACM
16 years 1 months ago
2004
ACM
Graph has become increasingly important in modelling complicated structures and schemaless data such as proteins, chemical compounds, and XML documents. Given a graph query, it is...