511 search results - page 10 / 103 » Approximate Selection Queries over Imprecise Data |
SIGMOD
2002
ACM
14 years 11 months ago
2002
ACM
Recent years have witnessed an increasing interest in designing algorithms for querying and analyzing streaming data (i.e., data that is seen only once in a fixed order) with only...
SIGMOD
1999
ACM
14 years 3 months ago
1999
ACM
Selectivity estimation of queries is an important and wellstudied problem in relational database systems. In this paper, we examine selectivity estimation in the context of Geogra...
WWW
2010
ACM
14 years 4 months ago
2010
ACM
Typical approaches for querying structured Web Data collect (crawl) and pre-process (index) large amounts of data in a central data repository before allowing for query answering....
ICDE
2012
IEEE
12 years 1 months ago
2012
IEEE
—On a stream of two dimensional data items (x, y) where x is an item identifier, and y is a numerical attribute, a correlated aggregate query requires us to first apply a selec...
WAIM
2009
Springer
14 years 5 months ago
2009
Springer
Large amount of uncertain data is inherent in many novel and important applications such as sensor data analysis and mobile data management. A probabilistic threshold range aggrega...