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SIGMOD
1996
ACM
116views Database» more  SIGMOD 1996»
13 years 9 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»
13 years 11 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