792 search results - page 95 / 159 » Computing Iceberg Queries Efficiently |
CORR
1999
Springer
13 years 10 months ago
1999
Springer
Abstract. Nearest neighbor searching is a fundamental computational problem. A set of n data points is given in real d-dimensional space, and the problem is to preprocess these poi...
ICDE
2010
IEEE
14 years 10 months ago
2010
IEEE
Estimation via sampling out of highly selective join queries is well known to be problematic, most notably in online aggregation. Without goal-directed sampling strategies, samples...
BTW
2007
Springer
14 years 4 months ago
2007
Springer
: Skyline queries have recently received a lot of attention due to their intuitive query formulation: users can state preferences with respect to several attributes. Unlike numeric...
EUROPAR
2008
Springer
13 years 12 months ago
2008
Springer
We present a distributed index data structure and algorithms devised to support parallel query processing of multimedia content in search engines. We present a comparative study wi...
SIGMOD
2006
ACM
14 years 10 months ago
2006
ACM
The original PageRank algorithm for improving the ranking of search-query results computes a single vector, using the link structure of the Web, to capture the relative "impor...