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SIGMOD
2005
ACM
154views Database» more  SIGMOD 2005»
14 years 9 months ago
Lazy XML Updates: Laziness as a Virtue of Update and Structural Join Efficiency
XML documents are normally stored as plain text files. Hence, the natural and most convenient way to update XML documents is to simply edit the text files. But efficient query eva...
Barbara Catania, Wen Qiang Wang, Beng Chin Ooi, Xi...
MM
2006
ACM
203views Multimedia» more  MM 2006»
14 years 3 months ago
Learning image manifolds by semantic subspace projection
In many image retrieval applications, the mapping between highlevel semantic concept and low-level features is obtained through a learning process. Traditional approaches often as...
Jie Yu, Qi Tian
MM
2004
ACM
167views Multimedia» more  MM 2004»
14 years 2 months ago
Learning an image manifold for retrieval
We consider the problem of learning a mapping function from low-level feature space to high-level semantic space. Under the assumption that the data lie on a submanifold embedded ...
Xiaofei He, Wei-Ying Ma, HongJiang Zhang
AAAI
2010
13 years 10 months ago
Stackelberg Voting Games: Computational Aspects and Paradoxes
We consider settings in which voters vote in sequence, each voter knows the votes of the earlier voters and the preferences of the later voters, and voters are strategic. This can...
Lirong Xia, Vincent Conitzer
MANSCI
2007
121views more  MANSCI 2007»
13 years 9 months ago
Yahoo! for Amazon: Sentiment Extraction from Small Talk on the Web
Extracting sentiment from text is a hard semantic problem. We develop a methodology for extracting small investor sentiment from stock message boards. The algorithm comprises diļ¬...
Sanjiv R. Das, Mike Y. Chen