6660 search results - page 124 / 1332 » Data Analysis for Query Processing |
PVLDB
2010
13 years 9 months ago
2010
We consider the problem of efficiently finding the top-k answers for join queries over web-accessible databases. Classical algorithms for finding top-k answers use branch-and-b...
IS
2008
13 years 10 months ago
2008
In spatial networks, clustering adjacent data to disk pages is highly likely to reduce the number of disk page accesses made by the aggregate network operations during query proce...
ADBIS
2007
Springer
14 years 18 days ago
2007
Springer
This paper provides an answer-oriented multidimensional analysis environment. The approach is based on a conceptual point of view. We define a conceptual model that represents data...
ACTA
2002
13 years 10 months ago
2002
Abstract. In this paper the focus is on object-oriented analysis of information systems. We assume that the communication within an application domain can be described by a logbook...
ICEIS
2006
IEEE
14 years 4 months ago
2006
IEEE
The satisfiability test checks, whether or not the evaluation of a query returns the empty set for any input document, and can be used in query optimization for avoiding the submis...