610 search results - page 63 / 122 » Efficient Query Evaluation on Probabilistic Databases |
95
Voted
ERSHOV
2006
Springer
15 years 4 months ago
2006
Springer
In this work, we present a semantic query optimization technique to improve the efficiency of the evaluation of a subset of SQL:1999 recursive queries. Using datalog notation, we c...
140
Voted
VLDB
2002
ACM
15 years 7 days ago
2002
ACM
In spite of the many decades of progress in database research, surprisingly scientists in the life sciences community still struggle with inefficient and awkward tools for queryin...
106
Voted
PVLDB
2008
15 years 2 days ago
2008
Many search engines and other web applications suggest auto-completions as the user types in a query. The suggestions are generated from hidden underlying databases, such as query...
109
click to vote
SAC
2008
ACM
15 years 2 days ago
2008
ACM
In this paper, we focus on an aspect of distributed XQuery processing that involves data exchanges between processor elements. We first address problems of distributed XML query p...
200
Voted
GIS
2006
ACM
16 years 1 months ago
2006
ACM
Location information gathered from a variety of sources in the form of sensor data, video streams, human observations, and so on, is often imprecise and uncertain and needs to be ...