2217 search results - page 83 / 444 » Rank-aware Query Optimization |
114
Voted
IEEEMSP
2002
IEEE
15 years 7 months ago
2002
IEEE
–This paper is an experimental study on the performance of the two major methods for macro-level similarity measurement: linear weighted merging and logical retrieval. Performanc...
119
click to vote
IDEAS
2008
IEEE
15 years 9 months ago
2008
IEEE
1 We propose a new framework for the summarization of XML document properties called EXsum (Element-wise XML summarization), which can capture statistical information of all import...
145
click to vote
EDBT
2002
ACM
16 years 2 months ago
2002
ACM
Abstract. Estimating the sizes of query results, and intermediate results, is crucial to many aspects of query processing. In particular, it is necessary for effective query optimi...
160
Voted
WWW
2011
ACM
14 years 9 months ago
2011
ACM
The problem of answering SPARQL queries over virtual SPARQL views is commonly encountered in a number of settings, including while enforcing security policies to access RDF data, ...
123
Voted
CIKM
2007
Springer
15 years 8 months ago
2007
Springer
Queries issued by casual users or specialists exploring a data set often point us to important subsets of the data, be it clusters, outliers or other features of particular import...