102291 search results - page 20421 / 20459 » Computability in Computational Geometry |
CCS
2011
ACM
12 years 9 months ago
2011
ACM
Online service providers are engaged in constant conflict with miscreants who try to siphon a portion of legitimate traffic to make illicit profits. We study the abuse of “tr...
CCS
2011
ACM
12 years 9 months ago
2011
ACM
We present the design, implementation and evaluation of an algorithm that checks audit logs for compliance with privacy and security policies. The algorithm, which we name reduce,...
CIKM
2011
Springer
12 years 9 months ago
2011
Springer
A continuous top-k query retrieves the k most preferred objects in a data stream according to a given preference function. These queries are important for a broad spectrum of appl...
CIKM
2011
Springer
12 years 9 months ago
2011
Springer
Today, a number of algorithms exist for constructing tag hierarchies from social tagging data. While these algorithms were designed with ontological goals in mind, we know very li...
CIKM
2011
Springer
12 years 9 months ago
2011
Springer
We consider the problem of link prediction in signed networks. Such networks arise on the web in a variety of ways when users can implicitly or explicitly tag their relationship w...