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AAAI
2007
15 years 2 days ago
From Whence Does Your Authority Come? Utilizing Community Relevance in Ranking
A web page may be relevant to multiple topics; even when nominally on a single topic, the page may attract attention (and thus links) from multiple communities. Instead of indiscr...
Lan Nie, Brian D. Davison, Baoning Wu
TREC
2003
14 years 11 months ago
Approaches to Robust and Web Retrieval
: We describe our participation in the TREC 2003 Robust and Web tracks. For the Robust track, we experimented with the impact of stemming and feedback on the worst scoring topics. ...
Jaap Kamps, Christof Monz, Maarten de Rijke, B&oum...
ICASSP
2008
IEEE
15 years 4 months ago
Unsupervised language model adaptation via topic modeling based on named entity hypotheses
Language model (LM) adaptation is often achieved by combining a generic LM with a topic-specific model that is more relevant to the target document. Unlike previous work on unsup...
Yang Liu, Feifan Liu
64
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WWW
2008
ACM
15 years 10 months ago
Modeling online reviews with multi-grain topic models
In this paper we present a novel framework for extracting the ratable aspects of objects from online user reviews. Extracting such aspects is an important challenge in automatical...
Ivan Titov, Ryan T. McDonald
ICPR
2010
IEEE
14 years 8 months ago
Unsupervised Learning from Linked Documents
Documents in many corpora, such as digital libraries and webpages, contain both content and link information. In a traditional topic model which plays an important role in the uns...
Zhen Guo, Shenghuo Zhu, Yun Chi, Zhongfei Zhang, Y...