574 search results - page 62 / 115 » Distributed Queries and Query Optimization in Schema-Based P... |
VLDB
2004
ACM
14 years 8 months ago
2004
ACM
In this paper, we propose a new tunable index scheme, called iMinMax(), that maps points in highdimensional spaces to single-dimensional values determined by their maximum or minim...
DMDW
2000
13 years 9 months ago
2000
View materialization is a central issue in logical design of data warehouses since it is one of the most powerful techniques to improve the response to the workload. Most approach...
ICLP
2009
Springer
14 years 8 months ago
2009
Springer
Probabilistic logic programs (PLPs) define a set of probability distribution functions (PDFs) over the set of all Herbrand interpretations of the underlying logical language. When...
RTCSA
2008
IEEE
14 years 2 months ago
2008
IEEE
This paper addresses the problem of using the Location IDentifier (LID) as the domain value of the index for trajectories of RFID tags and proposes the solution for solving this p...
VLDB
2004
ACM
14 years 8 months ago
2004
ACM
Ranking queries produce results that are ordered on some computed score. Typically, these queries involve joins, where users are usually interested only in the top-k join results....