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155
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CSE
2009
IEEE
16 years 1 months ago
2009
IEEE
—Group-Centric Secure Information Sharing (g-SIS) is motivated by the need to dynamically share information amongst a set of authorized users for a specific purpose. Authorized ...
195
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CSE
2009
IEEE
16 years 1 months ago
2009
IEEE
—The blogosphere can be construed as a knowledge network made of bloggers who are interacting through a social network to share, exchange or produce information. We claim that th...
180
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CSIE
2009
IEEE
16 years 1 months ago
2009
IEEE
Knowledge management (KM) is the research field aimed to create, organize, and store explicit knowledge for easy access and manipulation, whereas e-learning is concerned with del...
157
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FOCS
2009
IEEE
16 years 1 months ago
2009
IEEE
— We prove the following strong hardness result for learning: Given a distribution on labeled examples from the hypercube such that there exists a monomial (or conjunction) consi...
188
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FOCS
2009
IEEE
16 years 1 months ago
2009
IEEE
Polynomial time preprocessing to reduce instance size is one of the most commonly deployed heuristics to tackle computationally hard problems. In a parameterized problem, every in...