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VLDB
2002
ACM
13 years 6 months ago
2002
ACM
Current search engines can hardly cope adequately with fuzzy predicates defined by complex preferences. The biggest problem of search engines implemented with standard SQL is that...
VLDB
2002
ACM
13 years 6 months ago
2002
ACM
All existing proposals for querying XML (e.g., XQuery) rely on a pattern-specification language that allows (1) path navigation and branching through the label structure of the XM...
VLDB
2002
ACM
14 years 7 months ago
2002
ACM
The view selection problem is to choose a set of views to materialize over a database schema, such that the cost of evaluating a set of workload queries is minimized and such that ...
VLDB
2002
ACM
13 years 6 months ago
2002
ACM
This paper proposes a system for personalization of web portals. A speci c implementation is discussed in reference to a web portal containing a news feed service. Techniques are ...
VLDB
2002
ACM
13 years 6 months ago
2002
ACM
We present a method for efficiently performing deletions and updates of records when the records to be deleted or updated are chosen by a range scan on an index. The traditional m...