2867 search results - page 534 / 574 » Effectiveness of Index Expressions |
169
Voted
SIGMOD
2008
ACM
15 years 9 months ago
2008
ACM
Supporting ranking queries in database systems has been a popular research topic recently. However, there is a lack of study on supporting ranking queries in data warehouses where...
146
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SIGMOD
2008
ACM
15 years 9 months ago
2008
ACM
Extracting dense sub-components from graphs efficiently is an important objective in a wide range of application domains ranging from social network analysis to biological network...
167
Voted
SIGMOD
2007
ACM
15 years 9 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...
178
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SIGMOD
2007
ACM
15 years 9 months ago
2007
ACM
Incomplete information arises naturally in numerous data management applications. Recently, several researchers have studied query processing in the context of incomplete informat...
SIGMOD
2004
ACM
15 years 9 months ago
2004
ACM
Schema matching is a critical problem for integrating heterogeneous information sources. Traditionally, the problem of matching multiple schemas has essentially relied on finding ...