652 search results - page 119 / 131 » Database Engineering from the Category Theory Viewpoint |
AIRWEB
2009
Springer
14 years 2 months ago
2009
Springer
Spammers in social bookmarking systems try to mimick bookmarking behaviour of real users to gain the attention of other users or search engines. Several methods have been proposed...
SACMAT
2006
ACM
14 years 1 months ago
2006
ACM
We introduce the concept, model, and policy-specific algorithms for inferring new access control decisions from previous ones. Our secondary and approximate authorization model (...
SIGIR
2005
ACM
14 years 1 months ago
2005
ACM
Different from traditional information retrieval, both content and structure are critical to the success of Web information retrieval. In recent years, many relevance propagation ...
SIGIR
2005
ACM
14 years 1 months ago
2005
ACM
In this paper we use a Unified Relationship Matrix (URM) to represent a set of heterogeneous data objects (e.g., web pages, queries) and their interrelationships (e.g., hyperlinks...
WWW
2010
ACM
13 years 11 months ago
2010
ACM
Selecting and presenting content culled from multiple heterogeneous and physically distributed sources is a challenging task. The exponential growth of the web data in modern time...