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EMNLP
2010
15 years 1 months ago
Jointly Modeling Aspects and Opinions with a MaxEnt-LDA Hybrid
Discovering and summarizing opinions from online reviews is an important and challenging task. A commonly-adopted framework generates structured review summaries with aspects and ...
Wayne Xin Zhao, Jing Jiang, Hongfei Yan, Xiaoming ...
CSCW
2011
ACM
14 years 10 months ago
Peaks and persistence: modeling the shape of microblog conversations
A microblogged stream is delivered over time, providing an ongoing commentary of topics, trends, and issues. In this article, we present two methods of finding temporal topics wi...
David A. Shamma, Lyndon Kennedy, Elizabeth F. Chur...
SIGIR
2002
ACM
15 years 2 months ago
Cross-lingual relevance models
We propose a formal model of Cross-Language Information Retrieval that does not rely on either query translation or document translation. Our approach leverages recent advances in...
Victor Lavrenko, Martin Choquette, W. Bruce Croft
WWW
2004
ACM
16 years 3 months ago
Information diffusion through blogspace
We study the dynamics of information propagation in environments of low-overhead personal publishing, using a large collection of weblogs over time as our example domain. We chara...
Daniel Gruhl, Ramanathan V. Guha, David Liben-Nowe...
ICMCS
2006
IEEE
250views Multimedia» more  ICMCS 2006»
15 years 9 months ago
Adaptive Video News Story Tracking based on Earth Mover'S Distance
This paper proposes an adaptive system for video news story tracking based on the Earth Mover’s Distance (EMD). When an interesting story appears in the news, it is flagged man...
Mats Uddenfeldt, Keiichiro Hoashi, Kazunori Matsum...