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ASWC
2006
Springer
15 years 1 months ago
Finding Important Vocabulary Within Ontology
In current Semantic Web community, some researches have been done on ranking ontologies, while very little is paid to ranking vocabularies within ontology. However, finding importa...
Xiang Zhang, Hongda Li, Yuzhong Qu
SIGMOD
2005
ACM
164views Database» more  SIGMOD 2005»
15 years 10 months ago
RankSQL: Query Algebra and Optimization for Relational Top-k Queries
This paper introduces RankSQL, a system that provides a systematic and principled framework to support efficient evaluations of ranking (top-k) queries in relational database syst...
Chengkai Li, Kevin Chen-Chuan Chang, Ihab F. Ilyas...
PVLDB
2010
97views more  PVLDB 2010»
14 years 8 months ago
Ranking Continuous Probabilistic Datasets
Ranking is a fundamental operation in data analysis and decision support, and plays an even more crucial role if the dataset being explored exhibits uncertainty. This has led to m...
Jian Li, Amol Deshpande
ANTS
2008
Springer
73views Algorithms» more  ANTS 2008»
14 years 11 months ago
K3 Surfaces of Picard Rank One and Degree Two
We construct explicit examples of K3 surfaces over
Andreas-Stephan Elsenhans, Jörg Jahnel
COCOON
2008
Springer
14 years 11 months ago
The Computational Complexity of Link Building
We study the problem of adding k new links to a directed graph G(V, E) in order to maximize the minimum PageRank value for a given subset of the nodes. We show that this problem is...
Martin Olsen