185 search results - page 21 / 37 » Precise complexity analysis for efficient datalog queries |
166
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ICDT
2009
ACM
15 years 10 months ago
2009
ACM
A Business Process (BP) consists of some business activities undertaken by one or more organizations in pursuit of some business goal. Tools for querying and analyzing BP specific...
STOC
2003
ACM
15 years 9 months ago
2003
ACM
Let H be a fixed directed graph on h vertices, let G be a directed graph on n vertices and suppose that at least n2 edges have to be deleted from it to make it H-free. We show tha...
ICIP
2002
IEEE
15 years 11 months ago
2002
IEEE
Most image retrieval systems perform a linear search over the database to find the closest match to a query. However, databases usually exhibit a natural grouping structure into c...
111
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TASLP
2008
14 years 9 months ago
2008
Abstract--We propose an automatic method for measuring content-based music similarity, enhancing the current generation of music search engines and recommender systems. Many previo...
SIGMOD
1997
ACM
15 years 1 months ago
1997
ACM
: The read-mostly environment of data warehousing makes it possible to use more complex indexes to speed up queries than in situations where concurrent updatesare present. The curr...