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WWW
2007
ACM
16 years 7 months ago
Topic sentiment mixture: modeling facets and opinions in weblogs
In this paper, we define the problem of topic-sentiment analysis on Weblogs and propose a novel probabilistic model to capture the mixture of topics and sentiments simultaneously....
Qiaozhu Mei, Xu Ling, Matthew Wondra, Hang Su, Che...
ESA
2009
Springer
156views Algorithms» more  ESA 2009»
16 years 1 months ago
On Revenue Maximization in Second-Price Ad Auctions
Abstract. Most recent papers addressing the algorithmic problem of allocating advertisement space for keywords in sponsored search auctions assume that pricing is done via a first...
Yossi Azar, Benjamin E. Birnbaum, Anna R. Karlin, ...
INFOCOM
2005
IEEE
16 years 4 days ago
Smart power-saving mode for IEEE 802.11 wireless LANs
StaticPSM (Power-Saving Mode)schemes employed in the current IEEE 802.11 implementations could not provide any delag-performance guarantee because of their fixed wakeup intervals. ...
Daji Qiao, Kang G. Shin
MM
2010
ACM
178views Multimedia» more  MM 2010»
15 years 6 months ago
Topical summarization of web videos by visual-text time-dependent alignment
Search engines are used to return a long list of hundreds or even thousands of videos in response to a query topic. Efficient navigation of videos becomes difficult and users ofte...
Song Tan, Hung-Khoon Tan, Chong-Wah Ngo
WWW
2008
ACM
16 years 7 months ago
Web graph similarity for anomaly detection (poster)
Web graphs are approximate snapshots of the web, created by search engines. Their creation is an error-prone procedure that relies on the availability of Internet nodes and the fa...
Panagiotis Papadimitriou 0002, Ali Dasdan, Hector ...