1254 search results - page 177 / 251 » Making Hard Problems Harder |
SOCIALCOM
2010
13 years 6 months ago
2010
In recent years, several researchers have proposed techniques for providing users with assistance in understanding and overcoming authorization denials. The incorporation of envir...
WWW
2011
ACM
13 years 3 months ago
2011
ACM
Online social networks have become very popular in recent years and their number of users is already measured in many hundreds of millions. For various commercial and sociological...
PRL
2010
13 years 3 months ago
2010
As an important technique for data analysis, clustering has been employed in many applications such as image segmentation, document clustering and vector quantization. Divisive cl...
CORR
2010
Springer
13 years 3 months ago
2010
Springer
In this paper we present a method for reformulating the Recommender Systems problem in an Information Retrieval one. In our tests we have a dataset of users who give ratings for s...
EUROSYS
2011
ACM
13 years 13 days ago
2011
ACM
Buffer caches in operating systems keep active file blocks in memory to reduce disk accesses. Related studies have been focused on how to minimize buffer misses and the caused pe...