2370 search results - page 329 / 474 » The Characterization of Data-Accumulating Algorithms |
WWW
2008
ACM
15 years 10 months ago
2008
ACM
The research objective of this work is to develop a general framework that incorporates collaborative social tagging with a novel ontology scheme conveying multiple perspectives. ...
101
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WWW
2007
ACM
15 years 10 months ago
2007
ACM
Ontology summarization is very important to quick understanding and selection of ontologies. In this paper, we study extractive summarization of ontology. We propose a notion of R...
WWW
2005
ACM
15 years 10 months ago
2005
ACM
Based on the type of collaborative objects, a collaborative filtering (CF) system falls into one of two categories: item-based CF and user-based CF. Clustering is the basic idea i...
168
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PODS
2009
ACM
15 years 10 months ago
2009
ACM
We consider the problem of deciding query equivalence for a conjunctive language in which queries output complex objects composed from a mixture of nested, unordered collection ty...
KDD
2008
ACM
15 years 10 months ago
2008
ACM
In large scale online systems like Search, eCommerce, or social network applications, user queries represent an important dimension of activities that can be used to study the imp...