76 search results - page 2 / 16 » Boolean ranking: querying a database by k-constrained opti... |
IDEAS
2002
IEEE
13 years 10 months ago
2002
IEEE
Boolean expression simplification is a well-known problem in the history of Computer Science. The problem of determining prime implicates from an arbitrary Boolean expression has...
SIGMOD
2002
ACM
14 years 5 months ago
2002
ACM
This paper addresses the problem of evaluating ranked top-? queries with expensive predicates. As major DBMSs now all support expensive user-defined predicates for Boolean queries...
TKDE
1998
13 years 5 months ago
1998
To address the emerging needs of applications that require access to and retrieval of multimedia objects, we are developing the Multimedia Analysis and Retrieval System (MARS) 29]...
ADBIS
2005
Springer
13 years 11 months ago
2005
Springer
Abstract. The performance of an information retrieval system is usually measured in terms of two different criteria, precision and recall. This way, the optimization of any of its...
IKE
2003
13 years 6 months ago
2003
Inverted files are widely used to index documents in large-scale information retrieval systems. An inverted file consists of posting lists, which can be stored in either a documen...