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RECSYS
2009
ACM
15 years 11 months ago
Improving rating estimation in recommender systems using aggregation- and variance-based hierarchical models
Previous work on using external aggregate rating information showed that this information can be incorporated in several different types of recommender systems and improves their...
Akhmed Umyarov, Alexander Tuzhilin
150
Voted
SECON
2008
IEEE
15 years 11 months ago
Optimal Buffer Management Policies for Delay Tolerant Networks
—Delay Tolerant Networks are wireless networks where disconnections may occur frequently due to propagation phenomena, node mobility, and power outages. Propagation delays may al...
Amir Krifa, Chadi Barakat, Thrasyvoulos Spyropoulo...
SIGIR
2005
ACM
15 years 10 months ago
Impedance coupling in content-targeted advertising
The current boom of the Web is associated with the revenues originated from on-line advertising. While search-based advertising is dominant, the association of ads with a Web page...
Berthier A. Ribeiro-Neto, Marco Cristo, Paulo Braz...
ICS
2005
Tsinghua U.
15 years 10 months ago
Improved automatic testcase synthesis for performance model validation
Performance simulation tools must be validated during the design process as functional models and early hardware are developed, so that designers can be sure of the performance of...
Robert H. Bell Jr., Lizy Kurian John
144
Voted
SENSYS
2003
ACM
15 years 10 months ago
On the scaling laws of dense wireless sensor networks
We consider dense wireless sensor networks deployed to observe arbitrary random fields. The requirement is to reconstruct an estimate of the random field at a certain collector ...
Praveen Kumar Gopala, Hesham El Gamal