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ICDM
2010
IEEE
202views Data Mining» more  ICDM 2010»
13 years 8 months ago
Discovering Overlapping Groups in Social Media
Abstract--The increasing popularity of social media is shortening the distance between people. Social activities, e.g., tagging in Flickr, bookmarking in Delicious, twittering in T...
Xufei Wang, Lei Tang, Huiji Gao, Huan Liu
ICPR
2010
IEEE
13 years 8 months ago
Unsupervised Image Retrieval with Similar Lighting Conditions
In this work a new method to retrieve images with similar lighting conditions is presented. It is based on automatic clustering and automatic indexing. Our proposal belongs to Con...
J. Felix Serrano, Carlos Avilés, Humberto S...
ICSOC
2010
Springer
13 years 8 months ago
Automatic Fragment Identification in Workflows Based on Sharing Analysis
In Service-Oriented Computing (SOC), fragmentation and merging of workflows are motivated by a number of concerns, among which we can cite design issues, performance, and privacy. ...
Dragan Ivanovic, Manuel Carro, Manuel V. Hermenegi...
ICASSP
2009
IEEE
13 years 7 months ago
Blind sparse source separation for unknown number of sources using Gaussian mixture model fitting with Dirichlet prior
In this paper, we propose a novel sparse source separation method that can be applied even if the number of sources is unknown. Recently, many sparse source separation approaches ...
Shoko Araki, Tomohiro Nakatani, Hiroshi Sawada, Sh...
IEEECGIV
2009
IEEE
13 years 7 months ago
TagReel: A Visualization of Tag Relations among User Interests in the Social Tagging System
Social tagging systems provide users with the ability to share information and extend their field of knowledge. The purpose of this paper is to explore the tag relations of user in...
Joohee Bae, Kyungwon Lee