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DAMON
2008
Springer
13 years 7 months ago
2008
Springer
Frequent elements and top-k queries constitute an important class of queries for data stream analysis applications. Certain applications require answers for both frequent elements...
VLDB
1998
ACM
13 years 10 months ago
1998
ACM
Semistructured data is not strictly typed like relational or object-oriented data and may be irregular or incomplete. It often arises in practice, e.g., when heterogeneous data so...
WEBDB
2000
Springer
13 years 9 months ago
2000
Springer
Rewriting queries using views is a powerful technique that has applications in data integration, data warehousing and query optimization. Query rewriting in relational databases i...
ICDE
2008
IEEE
14 years 7 months ago
2008
IEEE
Answering queries using materialized views has been well studied in the context of structured queries and has shown significant performance benefits. Despite the popularity of keyw...
PODS
1998
ACM
13 years 10 months ago
1998
ACM
We study the complexity of the problem of answering queries using materialized views. This problem has attracted a lot of attention recently because of its relevance in data integ...