Sciweavers

552 search results - page 75 / 111
» Efficient Algorithms for Processing XPath Queries
Sort
View
CIKM
2007
Springer
15 years 6 months ago
A knowledge-based search engine powered by wikipedia
This paper describes Koru, a new search interface that offers effective domain-independent knowledge-based information retrieval. Koru exhibits an understanding of the topics of b...
David N. Milne, Ian H. Witten, David M. Nichols
DMDW
2000
93views Management» more  DMDW 2000»
15 years 1 months ago
Storing auxiliary data for efficient maintenance and lineage tracing of complex views
As views in a data warehouse become more complex, the view maintenance process can become very complicated and potentially very inefficient. Storing auxiliary views in the warehou...
Yingwei Cui, Jennifer Widom
SIGMOD
1998
ACM
143views Database» more  SIGMOD 1998»
15 years 4 months ago
Optimal Multi-Step k-Nearest Neighbor Search
For an increasing number of modern database applications, efficient support of similarity search becomes an important task. Along with the complexity of the objects such as images...
Thomas Seidl, Hans-Peter Kriegel
SAC
2008
ACM
14 years 11 months ago
Selectivity estimation in spatial networks
Modern applications requiring spatial network processing pose many interesting query optimization challenges. In many cases, query processing depends on the corresponding graph si...
Eleftherios Tiakas, Apostolos N. Papadopoulos, Ale...
PODS
2009
ACM
229views Database» more  PODS 2009»
16 years 10 days ago
Computing all skyline probabilities for uncertain data
Skyline computation is widely used in multi-criteria decision making. As research in uncertain databases draws increasing attention, skyline queries with uncertain data have also ...
Mikhail J. Atallah, Yinian Qi