236 search results - page 38 / 48 » OLAP Query Processing in a Database Cluster |
EDBT
2009
ACM
14 years 16 days ago
2009
ACM
We propose efficient techniques for processing various TopK count queries on data with noisy duplicates. Our method differs from existing work on duplicate elimination in two sign...
ICDE
2010
IEEE
14 years 3 months ago
2010
IEEE
Abstract— In parallel query-processing environments, accurate, time-oriented progress indicators could provide much utility given that inter- and intra-query execution times can ...
SIGMOD
2010
ACM
14 years 1 months ago
2010
ACM
Time-oriented progress estimation for parallel queries is a challenging problem that has received only limited attention. In this paper, we present ParaTimer, a new type of timere...
CIKM
2009
Springer
14 years 3 months ago
2009
Springer
RDF is a data model for representing labeled directed graphs, and it is used as an important building block of semantic web. Due to its flexibility and applicability, RDF has bee...
VISAPP
2007
13 years 9 months ago
2007
The Content Based Image Retrieval (CBIR) has been an active research area. Given a collection of images, it is to retrieve the images based on a query image, which is specified by...