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CORR
2008
Springer
13 years 5 months ago
2008
Springer
Analytical queries defined on data warehouses are complex and use several join operations that are very costly, especially when run on very large data volumes. To improve response...
ICDM
2006
IEEE
13 years 11 months ago
2006
IEEE
Existing studies for mining frequent XML query patterns mainly introduce a straightforward candidate generate-and-test strategy and compute frequencies of candidate query patterns...
ICDE
2001
IEEE
14 years 6 months ago
2001
IEEE
We consider the problems of computing aggregation queries in temporal databases, and of maintaining materialized temporal aggregate views efficiently. The latter problem is partic...
DEXA
2008
Springer
13 years 7 months ago
2008
Springer
We address the problem of maintaining continuous skyline queries efficiently over dynamic objects with d dimensions. Skyline queries are an important new search capability for mult...
VLDB
2001
ACM
13 years 9 months ago
2001
ACM
A range-sum query is very popular and becomes important in finding trends and in discovering relationships between attributes in diverse database applications. It sums over the se...