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KDD
2007
ACM
191views Data Mining» more  KDD 2007»
14 years 9 months ago
Modeling relationships at multiple scales to improve accuracy of large recommender systems
The collaborative filtering approach to recommender systems predicts user preferences for products or services by learning past useritem relationships. In this work, we propose no...
Robert M. Bell, Yehuda Koren, Chris Volinsky
SIGMETRICS
2010
ACM
139views Hardware» more  SIGMETRICS 2010»
14 years 2 months ago
On the flow-level dynamics of a packet-switched network
: The packet is the fundamental unit of transportation in modern communication networks such as the Internet. Physical layer scheduling decisions are made at the level of packets, ...
Ciamac Cyrus Moallemi, Devavrat Shah
MOBIWAC
2006
ACM
14 years 3 months ago
Calibration-free WLAN location system based on dynamic mapping of signal strength
In this work we present a calibration-free system for locating wireless local area network devices, based on the radio frequency characteristics of such networks. Calibration proc...
Luís Felipe M. de Moraes, Bruno Astuto A. N...
DBSEC
2003
155views Database» more  DBSEC 2003»
13 years 10 months ago
Schema Based XML Security: RBAC Approach
As a platform-independent solution, XML is going to be used in many environments such as application integration and Web Services. Security of XML instance is a basic problem, esp...
Xinwen Zhang, Jaehong Park, Ravi S. Sandhu
AH
2000
Springer
14 years 1 months ago
Adaptation Control in Adaptive Hypermedia Systems
A hypermedia application offers its users a lot of freedom to navigate through a large hyperspace, described by a domain model. Adaptive hypermedia systems (AHS) aim at overcoming ...
Hongjing Wu, Paul De Bra, A. T. M. Aerts, Geert-Ja...