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Creating top ranking options in the continuous option and preference space

Country : Singapore
Department : Singapore Management University
Project Title : Creating top ranking options in the continuous option and preference space
Researcher : TANG, Bo , YIU, Man Lung , MOURATIDIS, Kyriakos , CHEN, Zhenyu
Keyword : Numerical Analysis and Scientific Computing , Databases and Information Systems
Publisher : Institutional Knowledge at Singapore Management University
Year End : 2019
Identifier : https://ink.library.smu.edu.sg/sis_research/4431 , https://ink.library.smu.edu.sg/cgi/viewcontent.cgi?article=5434&context=sis_research
Source : Research Collection School Of Computing and Information Systems
Abstract / Description :

Top-k queries are extensively used to retrieve the k most relevantoptions (e.g., products, services, accommodation alternatives, etc)based on a weighted scoring function that captures user preferences. In this paper, we take the viewpoint of a business owner whoplans to introduce a new option to the market, with a certain type ofclientele in mind. Given a target region in the consumer spectrum,we determine what attribute values the new option should have,so that it ranks among the top-k for any user in that region. Ourmethodology can also be used to improve an existing option, at theminimum modification cost, so that it ranks consistently high for anintended type of customers. This is the first work on competitiveoption placement where no distinct user(s) are targeted, but a general clientele type, i.e., a continuum of possible preferences. Herealso lies our main challenge (and contribution), i.e., dealing withthe interplay between two continuous spaces: the targeted regionin the preference spectrum, and the option domain (where the newoption will be placed). At the core of our methodology lies a noveland powerful interlinking between the two spaces. Our algorithmsoffer exact answers in practical response times, even for the largestof the standard benchmark datasets.

References

TANG, Bo and others / et al. (2019). Creating top ranking options in the continuous option and preference space.  Singapore: Singapore Management University.
TANG, Bo and others / et al. 2019. "Creating top ranking options in the continuous option and preference space".  Singapore: Singapore Management University.
TANG, Bo and others / et al. "Creating top ranking options in the continuous option and preference space."  Singapore: Singapore Management University, 2019. Print.
TANG, Bo and others / et al. Creating top ranking options in the continuous option and preference space. Singapore: Singapore Management University; 2019.

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