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SIGIR
2009
ACM
16 years 1 months ago
An improved markov random field model for supporting verbose queries
Recent work in supervised learning of term-based retrieval models has shown significantly improved accuracy can often be achieved via better model estimation [2, 10, 11, 17]. In ...
Matthew Lease
GLOBECOM
2008
IEEE
16 years 1 months ago
A Graph-Based Approach to Multi-Cell OFDMA Downlink Resource Allocation
— A novel, practical and low-complexity multi-cell OFDMA downlink channel assignment method using a graphbased approach is proposed in this work. The inter-cell interference (ICI...
Yu-Jung Chang, Zhifeng Tao, Jinyun Zhang, C. C. Ja...
HICSS
2008
IEEE
148views Biometrics» more  HICSS 2008»
16 years 1 months ago
Understanding the Relationship between Justice and Team Goal Commitment in Virtual Project Teams: An Empirical Investigation
Virtual project teams are spontaneous group configurations that endeavor to overcome spatial and temporal restrictions in bringing together distant experts to create just-in-time ...
Eric Tze Kuan Lim, Yu-Ting Caisy Hung
HICSS
2008
IEEE
130views Biometrics» more  HICSS 2008»
16 years 1 months ago
An Interview Protocol for Discovering and Assessing Collaboration Engineering Opportunities
Collaboration Engineering (CE) projects can run for months and can require substantial expenditures of effort and resources. CE is an approach to designing collaborative work prac...
Robert O. Briggs, Alanah J. Davis, John D. Murphy
ICASSP
2008
IEEE
16 years 1 months ago
Distributed multi-dimensional hidden Markov models for image and trajectory-based video classifications
In this paper, we propose a novel multi-dimensional distributed hidden Markov model (DHMM) framework. We first extend the theory of 2D hidden Markov models (HMMs) to arbitrary ca...
Xiang Ma, Dan Schonfeld, Ashfaq A. Khokhar