2063 search results - page 69 / 413 » Containment of Aggregate Queries |
ANOR
2008
13 years 10 months ago
2008
Abstract Given a collection of individual preferences defined on a same finite set of candidates, we consider the problem of aggregating them into a collective preference minimizin...
IS
2006
13 years 10 months ago
2006
Views stored in a data warehouse need to be kept current. As recomputing the views is very expensive, incremental maintenance algorithms are required. Over recent years, several i...
WWW
2004
ACM
14 years 11 months ago
2004
ACM
We present a framework for approximating random-walk based probability distributions over Web pages using graph aggregation. We (1) partition the Web's graph into classes of ...
ENTCS
2006
13 years 10 months ago
2006
Metadata produced by members of a diverse community of peers tend to contain low-quality or even mutually inconsistent assertions. Trust values computed on the basis of users'...
SIGIR
2010
ACM
14 years 2 months ago
2010
ACM
User queries to search engines are observed to predominantly contain inflected content words but lack stopwords and capitalization. Thus, they often resemble natural language que...