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    MOBICOM
    2009
    ACM
    227views Communications» more  MOBICOM 2009»
    Capacity of large-scale CSMA wireless networks
    14 years 3 months ago
    Capacity of large-scale CSMA wireless networks
    Download  home.ie.cuhk.edu.hk
    In the literature, asymptotic studies of multi-hop wireless network capacity often consider only centralized and deterministic TDMA (time-division multi-access) coordination schem...
    Chi-Kin Chau, Minghua Chen, Soung Chang Liew
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    RECSYS
    2009
    ACM
    141views Control Systems» more  RECSYS 2009»
    Improving rating estimation in recommender systems using aggregation- and variance-based hierarchical models
    14 years 3 months ago
    Improving rating estimation in recommender systems using aggregation- and variance-based hierarchical models
    Download  pages.stern.nyu.edu
    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
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    RECSYS
    2009
    ACM
    121views Control Systems» more  RECSYS 2009»
    An incentive-based architecture for social recommendations
    14 years 3 months ago
    An incentive-based architecture for social recommendations
    Download  www.stanford.edu
    We present an incentive-based architecture for providing recommendations in a social network. We maintain a distinct reputation system for each individual and we rely on users to ...
    Rajat Bhattacharjee, Ashish Goel, Konstantinos Kol...
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    SIGECOM
    2009
    ACM
    111views ECommerce» more  SIGECOM 2009»
    A qualitative vickrey auction
    14 years 3 months ago
    A qualitative vickrey auction
    Download  www.eecs.harvard.edu
    Restricting the preferences of the agents by assuming that their utility functions linearly depend on a payment allows for the positive results of the Vickrey auction and the Vick...
    Paul Harrenstein, Mathijs de Weerdt, Vincent Conit...
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    SIGIR
    2009
    ACM
    179views Information Technology» more  SIGIR 2009»
    Fast nonparametric matrix factorization for large-scale collaborative filtering
    14 years 3 months ago
    Fast nonparametric matrix factorization for large-scale collaborative filtering
    Download  www.cs.cmu.edu
    With the sheer growth of online user data, it becomes challenging to develop preference learning algorithms that are sufficiently flexible in modeling but also affordable in com...
    Kai Yu, Shenghuo Zhu, John D. Lafferty, Yihong Gon...
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