Sciweavers

98 search results - page 15 / 20
» A Formal Model for the Problem of View Selection for Aggrega...
Sort
View
DEXA
2009
Springer
124views Database» more  DEXA 2009»
14 years 2 months ago
VisiNav: Visual Web Data Search and Navigation
Semantic Web technologies facilitate data integration over a large number of sources with decentralised and loose coordination, ideally leading to interlinked datasets which descri...
Andreas Harth
CIKM
2009
Springer
14 years 2 months ago
A signal-to-noise approach to score normalization
Score normalization is indispensable in distributed retrieval and fusion or meta-search where merging of result-lists is required. Distributional approaches to score normalization...
Avi T. Arampatzis, Jaap Kamps
CIKM
2000
Springer
14 years 13 hour ago
Extending OLAP Querying to External Object Databases
On-Line Analytical Processing (OLAP) systems based on a multidimensional view of data have found widespread use in business applications and are being used increasingly in non-sta...
Torben Bach Pedersen, Arie Shoshani, Junmin Gu, Ch...
ICDE
2008
IEEE
130views Database» more  ICDE 2008»
14 years 9 months ago
Efficient Computation of Diverse Query Results
We study the problem of efficiently computing diverse query results in online shopping applications, where users specify queries through a form interface that allows a mix of stru...
Erik Vee, Utkarsh Srivastava, Jayavel Shanmugasund...
PODS
2009
ACM
130views Database» more  PODS 2009»
14 years 8 months ago
The finite model theory toolbox of a database theoretician
For many years, finite model theory was viewed as the backbone of database theory, and database theory in turn supplied finite model theory with key motivations and problems. By n...
Leonid Libkin