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ICWSM
2009
13 years 6 months ago
Seeking and Offering Expertise Across Categories: A Sustainable Mechanism Works for Baidu Knows
This paper presents the first comprehensive exploration of the largest Chinese online knowledge sharing communityBaidu Knows. With analyzing 5.2 millions questions and 2.7 million...
Jiang Yang, Xiao Wei
WSDM
2012
ACM
301views Data Mining» more  WSDM 2012»
12 years 4 months ago
Learning evolving and emerging topics in social media: a dynamic nmf approach with temporal regularization
As massive repositories of real-time human commentary, social media platforms have arguably evolved far beyond passive facilitation of online social interactions. Rapid analysis o...
Ankan Saha, Vikas Sindhwani
UAI
1997
13 years 10 months ago
Update Rules for Parameter Estimation in Bayesian Networks
This paper re-examines the problem of parameter estimation in Bayesian networks with missing values and hidden variables from the perspective of recent work in on-line learning [1...
Eric Bauer, Daphne Koller, Yoram Singer
HICSS
2005
IEEE
155views Biometrics» more  HICSS 2005»
14 years 2 months ago
Framework for Governance in Open Source Communities
In recent years, the development of software in open source communities has attracted immense attention from research and practice. The idea of commercial quality, free software, ...
Christoph Lattemann, Stefan Stieglitz
SIGUCCS
2004
ACM
14 years 2 months ago
Communities of practice: dare to share the knowledge
Communities of practice are not a new idea, but they are being looked at more closely as an important tool for learning and mastering knowledge challenges. Communities of practice...
Debbie Mojta