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SIGMOD
1996
ACM
116views Database» more  SIGMOD 1996»
13 years 11 months ago
Optimizing Queries over Multimedia Repositories
Repositories of multimedia objects having multiple types of attributes e.g., image, text are becoming increasingly common. A selection on these attributes will typically produce n...
Surajit Chaudhuri, Luis Gravano
ICDE
2008
IEEE
106views Database» more  ICDE 2008»
14 years 1 months ago
Weighted Boolean conditions for ranking
— Current database systems are tailored to efficiently evaluate Boolean expressions which are typically used as selection conditions to restrict the result set. We propose to ad...
Matthias Beck, Burkhard Freitag