483 search results - page 13 / 97 » Evaluating Top-k Selection Queries |
SIGIR
1999
ACM
13 years 12 months ago
1999
ACM
Human-quality text summarization systems are di cult to design, and even more di cult to evaluate, in part because documents can di er along several dimensions, such as length, wri...
ADBIS
2005
Springer
14 years 1 months ago
2005
Springer
We present a formal analysis of the following view-selection problem: Given a set of queries and a database, return definitions of views that, when materialized in the database, w...
XSYM
2004
Springer
14 years 28 days ago
2004
Springer
XML indices are essential for efficiently processing XML queries which typically have predicates on both structures and values. Since the number of all possible structural and val...
CIKM
2009
Springer
14 years 2 months ago
2009
Springer
Support vector machines (SVMs) have been widely used in multimedia retrieval to learn a concept in order to find the best matches. In such a SVM active learning environment, the ...
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 ...