319 search results - page 38 / 64 » Cryptographic Assumptions: A Position Paper |
CCS
2007
ACM
15 years 3 months ago
2007
ACM
In ciphertext policy attribute-based encryption (CP-ABE), every secret key is associated with a set of attributes, and every ciphertext is associated with an access structure on a...
GECCO
2003
Springer
15 years 2 months ago
2003
Springer
The process of labeling each word in a sentence with one of its lexical categories (noun, verb, etc) is called tagging and is a key step in parsing and many other language processi...
104
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JACM
2011
14 years 17 days ago
2011
This paper is about a curious phenomenon. Suppose we have a data matrix, which is the superposition of a low-rank component and a sparse component. Can we recover each component i...
ICCV
1998
IEEE
15 years 11 months ago
1998
IEEE
Existing object tracking algorithms generally use some form of local optimisation, assuming that an object's position and shape change smoothly over time. In some situations ...
103
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PODS
2006
ACM
15 years 9 months ago
2006
ACM
In this paper, we give a simple scheme for identifying approximate frequent items over a sliding window of size n. Our scheme is deterministic and does not make any assumption on ...