716 search results - page 87 / 144 » Optimizing Queries in Extended Relational Databases |
VLDB
2002
ACM
14 years 11 months ago
2002
ACM
Star queries are the most prevalent kind of queries in data warehousing, OLAP and business intelligence applications. Thus, there is an imperative need for efficiently processing ...
167
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ICDE
2008
IEEE
16 years 19 days ago
2008
IEEE
XML database systems are expected to handle increasingly complex queries over increasingly large and highly structured XML databases. An important problem that needs to be solved ...
166
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SEDE
2010
14 years 9 months ago
2010
Enterprise-level applications are becoming complex with the need for event and stream processing, multiple query processing and data analysis over heterogeneous data sources such ...
PODS
1999
ACM
15 years 3 months ago
1999
ACM
We investigate the problem of how to extend constraint query languages with aggregate operators. We deal with standard relational aggregation, and also with aggregates speci c to ...
SIGMOD
2001
ACM
15 years 11 months ago
2001
ACM
Users often need to optimize the selection of objects by appropriately weighting the importance of multiple object attributes. Such optimization problems appear often in operation...