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Decomposable algorithms for nearest neighbor computing
Faculty
Science
Year:
2008
Type of Publication:
Article
Pages:
902-912
Authors:
Khedr, Ahmed M, Salim, Ahmed
DOI:
10.1016/j.jpdc.2007.12.005
Journal:
JOURNAL OF PARALLEL AND DISTRIBUTED COMPUTING ACADEMIC PRESS INC ELSEVIER SCIENCE
Volume:
68
Research Area:
Computer Science
ISSN
ISI:000256756000002
Keywords :
decomposable algorithms, distributed databases, nearest neighbor, nearest pair, vertically and horizontally partitioned, stationary agents, mobile agents
Abstract:
Privacy and security concerns can prevent sharing of data, derailing many data projects. Distributed knowledge computing, if done correctly, can alleviate this problem. The key is to obtain valid results, while providing guarantees on the (non)disclosure of data. In the present study, two novel algorithms have been developed to find the nearest neighbor from known points, and a pair of nearest neighbors in a given set data points in d-dimensional space in distributed databases. These algorithms preserve the privacy and security of the data at individual sites by requiring transmission of only minimal information to other sites. (c) 2008 Elsevier Inc. All rights reserved.
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