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133
Voted
ICDE
2012
IEEE
13 years 5 months ago
2012
IEEE
— We consider how to support a large number of users over a wide-area network whose interests are characterized by range top-k continuous queries. Given an object update, we need...
134
Voted
DAGSTUHL
2004
15 years 4 months ago
2004
We present the Priority R-tree, or PR-tree, which is the first R-tree variant that always answers a window query using O((N/B)1-1/d + T/B) I/Os, where N is the number of ddimensio...
132
Voted
VLDB
2007
ACM
15 years 9 months ago
2007
ACM
We consider the privacy problem in data publishing: given a database instance containing sensitive information “anonymize” it to obtain a view such that, on one hand attackers...
219
Voted
SIGMOD
2008
ACM
16 years 3 months ago
2008
ACM
Database archiving is important for the retrieval of old versions of a database and for temporal queries over the history of data. We demonstrate XArch, a management system for ma...
135
Voted
MTA
2007
15 years 2 months ago
2007
Complex multimedia queries, aiming to retrieve from large databases those objects that best match the query specification, are usually processed by splitting them into a set of m ...