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» Digraphs: theory, algorithms and applications
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GISCIENCE
2010
Springer
212views GIS» more  GISCIENCE 2010»
13 years 9 months ago
Qualitative Change to 3-Valued Regions
Regions which evolve over time are a significant aspect of many phenomena in geographic information science. Examples include areas in which a measured value (e.g. temperature, sal...
Matt Duckham, John G. Stell, Maria Vasardani, Mich...
HPDC
2010
IEEE
13 years 9 months ago
Massive Semantic Web data compression with MapReduce
The Semantic Web consists of many billions of statements made of terms that are either URIs or literals. Since these terms usually consist of long sequences of characters, an effe...
Jacopo Urbani, Jason Maassen, Henri E. Bal
MM
2010
ACM
178views Multimedia» more  MM 2010»
13 years 8 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
SIGECOM
2010
ACM
128views ECommerce» more  SIGECOM 2010»
13 years 8 months ago
Equilibria of plurality voting with abstentions
In the traditional voting manipulation literature, it is assumed that a group of manipulators jointly misrepresent their preferences to get a certain candidate elected, while the ...
Yvo Desmedt, Edith Elkind
CGF
2008
137views more  CGF 2008»
13 years 8 months ago
Exploiting Visibility Correlation in Direct Illumination
The visibility function in direct illumination describes the binary visibility over a light source, e.g., an environment map. Intuitively, the visibility is often strongly correla...
Petrik Clarberg, Tomas Akenine-Möller