796 search results - page 137 / 160 » Approximating the centroid is hard |
GECCO
2009
Springer
14 years 2 months ago
2009
Springer
The sophistication of computer malware is becoming a serious threat to the information technology infrastructure, which is the backbone of modern e-commerce systems. We, therefore...
IMC
2009
ACM
14 years 2 months ago
2009
ACM
Proximity measures quantify the closeness or similarity between nodes in a social network and form the basis of a range of applications in social sciences, business, information t...
SIGECOM
2009
ACM
14 years 2 months ago
2009
ACM
The Target Set Selection problem proposed by Kempe, Kleinberg, and Tardos, gives a nice clean combinatorial formulation for many problems arising in economy, sociology, and medicin...
SIGIR
2009
ACM
14 years 2 months ago
2009
ACM
Query abandonment by search engine users is generally considered to be a negative signal. In this paper, we explore the concept of good abandonment. We define a good abandonment ...
FOCS
2008
IEEE
14 years 2 months ago
2008
IEEE
Learning problems form an important category of computational tasks that generalizes many of the computations researchers apply to large real-life data sets. We ask: what concept ...