2312 search results - page 170 / 463 » An algorithmic approach to knowledge evolution |
183
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CIKM
2004
Springer
15 years 12 months ago
2004
Springer
It is crucial in many information systems to organize short text segments, such as keywords in documents and queries from users, into a well-formed topic hierarchy. In this paper,...
174
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WWW
2009
ACM
16 years 7 months ago
2009
ACM
Understanding user intent is key to designing an effective ranking system in a search engine. In the absence of any explicit knowledge of user intent, search engines want to diver...
166
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ECCV
2004
Springer
2004
Springer
Unifying Approaches and Removing Unrealistic Assumptions in Shape from Shading: Mathematics Can Help
16 years 8 months ago
This article proposes a solution of the Lambertian Shape From Shading (SFS) problem by designing a new mathematical framework based on the notion of viscosity solutions. The power ...
175
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BMCBI
2008
15 years 6 months ago
2008
Background: A better understanding of the mechanisms involved in gas-phase fragmentation of peptides is essential for the development of more reliable algorithms for high-throughp...
219
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DCOSS
2008
Springer
15 years 8 months ago
2008
Springer
We consider a mobile sensor network monitoring a spatio-temporal field. Given limited caches at the sensor nodes, the goal is to develop a distributed cache management algorithm to...