Yoon Joon Lee

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Publications by Yoon Joon Lee (bibliography)

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Lee, Joon Ho, Kim, Won Yong, Kim, Myoung Ho and Lee, Yoon Joon (1993): On the Evaluation of Boolean Operators in the Extended Boolean Retrieval Framework. In: Proceedings of the Sixteenth Annual International ACM SIGIR Conference on Research and Development in Information Retrieval 1993. pp. 291-297. Available online

The retrieval models based on the extended boolean retrieval framework, e.g., the fuzzy set model and the extended boolean model have been proposed in the past to provide the conventional boolean retrieval system with the document ranking facility. However, due to undesirable properties of evaluation formulas for the AND and OR operations, the former generates incorrect ranked output in certain cases and the latter suffers from the complexity of computation. There have been a variety of fuzzy operators to replace the evaluation formulas. In this paper we first investigate the behavioral aspects of the fuzzy operators and address important issues to affect retrieval effectiveness. We then define an operator class called positively compensatory operators giving high retrieval effectiveness, and present a pair of positively compensatory operators providing high retrieval efficiency as well as high retrieval effectiveness. All the claims are justified through experiments.

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Changes to this page (author)

24 Feb 2010: Enabled abstracts to be shown on Yoon Joon Lee's author page.
24 Jun 2007: Author was added to the bibliography

Publication statistics

Publication period:1993-1993
Publication count:1
Number of co-authors:3



Productive colleagues

Yoon Joon Lee's 3 most productive colleagues in number of publications:

Joon Ho Lee:8
Myoung Ho Kim:1
Won Yong Kim:1


Collaboration count

Number of publications with 3 favourite co-authors:

Myoung Ho Kim:1
Won Yong Kim:1
Joon Ho Lee:1

 

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Mar 21

Software design is the act of determining the user's experience with a piece of software. It has nothing to do with how the code works inside, or how big or small the code is. The designer's task is to specify completely and unambiguously the user's whole experience.

-- David Liddle, From Bringing Design to Software, edited by Terry Winograd, 1996

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