2611 search results - page 501 / 523 » A Logic for Concepts and Similarity |
WWW
2003
ACM
14 years 11 months ago
2003
ACM
We propose two new tools to address the evolution of hyperlinked corpora. First, we define time graphs to extend the traditional notion of an evolving directed graph, capturing li...
KDD
2009
ACM
14 years 11 months ago
2009
ACM
In data publishing, anonymization techniques such as generalization and bucketization have been designed to provide privacy protection. In the meanwhile, they reduce the utility o...
KDD
2002
ACM
14 years 10 months ago
2002
ACM
Abstract. Since more and more Web sites, especially sites of retailers, offer automatic recommendation services using Web usage mining, evaluation of recommender algorithms has bec...
SIGMOD
2008
ACM
14 years 10 months ago
2008
ACM
Approximate queries on a collection of strings are important in many applications such as record linkage, spell checking, and Web search, where inconsistencies and errors exist in...
SIGMOD
2002
ACM
14 years 10 months ago
2002
ACM
This paper addresses the problem of evaluating ranked top-? queries with expensive predicates. As major DBMSs now all support expensive user-defined predicates for Boolean queries...