929 search results - page 175 / 186 » Answering imprecise database queries: a novel approach |
VLDB
2004
ACM
14 years 7 months ago
2004
ACM
Indatawarehousingapplications,numerousOLAP queries involve the processing of holistic aggregators such as computing the "top n," median, quantiles, etc. In this paper, we...
EDBT
2009
ACM
14 years 2 months ago
2009
ACM
In a variety of applications, ranging from data integration to distributed query evaluation, there is a need to obtain sets of data items from several sources (peers) and compute ...
ICDE
2007
IEEE
14 years 1 months ago
2007
IEEE
Similarity search usually encounters a serious problem in the high dimensional space, known as the “curse of dimensionality”. In order to speed up the retrieval efficiency, p...
DEXA
2010
Springer
13 years 8 months ago
2010
Springer
The class of k Nearest Neighbor (kNN) queries in spatial networks has been widely studied in the literature. All existing approaches for kNN search in spatial networks assume that ...
DASFAA
2010
IEEE
13 years 5 months ago
2010
IEEE
Keyword search is widely recognized as a convenient way to retrieve information from XML data. In order to precisely meet users' search concerns, we study how to effectively r...