NDLI: A novel Tolerant Skyline Operator for decision support

Content Provider	IEEE Xplore Digital Library
Author	Junyi Chai Liu, J.N.K. Dehong Gao Jian Xu
Copyright Year	2012
Description	Author affiliation: Department of Computing, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR (Junyi Chai; Liu, J.N.K.; Dehong Gao; Jian Xu)
Abstract	Skyline operator is significantly important for Decision oriented Data Analysis (DDA) due to its capability of finding a number of user-interested objects. However, an inherent weakness of conventional skyline queries is that the output size is hard to be controlled by users. It actually includes two aspects. On one hand, the number of returned skyline set might be too large to make the output meaningless. On the other hand, the skyline may be too concise to fulfill user's interests. Current solutions for the first aspect aim to refine the computed skyline and find a representative skyline subset with a feasible size. But for the second aspect, it still remains open. In order to tackle this problem, this paper attempts to extend conventional skyline and thus proposes a novel Tolerant Skyline Operator. We also study algorithms for computing the tolerant skyline. The final experiments use real datasets for illustration of our methods. The results indicate that the tolerant skyline is more effective and practical.
Starting Page	26
Ending Page	31
File Size	1040411
Page Count	6
File Format	PDF
ISBN	9781467323109
e-ISBN	9781467323116
DOI	10.1109/GrC.2012.6468562
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-08-11
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Computer aided software engineering tolerant Rail to rail inputs Moon recommendation multicriteria decision analysis skyline
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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