article

LACO: A location-aware cooperative query system for securely personalized services

Authors:

Myung Keun ShinAuthors Info & Claims

Expert Systems with Applications: An International Journal, Volume 34, Issue 4

Pages 2966 - 2975

https://doi.org/10.1016/j.eswa.2007.05.022

Published: 01 May 2008 Publication History

Abstract

Location-aware computing technology becomes promising for pervasive personalization services which run anytime, anywhere, and on any device. These services should be based on contextual queries that are provided in a fast and flexible manner. To do so, cooperative query answering may be useful to support query relaxation and to provide both approximate matches as well as exact matches. To facilitate query relaxation, a knowledge representation framework has been widely adopted which accommodates semantic relationships or distance metrics to represent similarities among data values. However, research shows few legacy cooperative query mechanisms that consider location-awareness. Hence, the purpose of this paper is to propose a securely personalized location-aware cooperative query that supports conceptual distance metric among data values, while considering privacy concerns around user context awareness. To show the feasibility of the methodology proposed in this paper, we have implemented a prototype system, LACO, in the area of site search in an actual large-scale shopping mall.

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Cited By

Yang YClaramunt CAufaure MZhang W(2010)User-Centric Similarity and Proximity Measures for Spatial PersonalizationInternational Journal of Data Warehousing and Mining10.4018/jdwm.20100401046:2(59-78)Online publication date: 1-Apr-2010
https://dl.acm.org/doi/10.4018/jdwm.2010040104

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cover image Expert Systems with Applications: An International Journal

Expert Systems with Applications: An International Journal Volume 34, Issue 4

May, 2008

877 pages

ISSN:0957-4174

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Copyright © Elsevier Ltd © 2007.

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Pergamon Press, Inc.

United States

Publication History

Published: 01 May 2008

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Cited By

Yang YClaramunt CAufaure MZhang W(2010)User-Centric Similarity and Proximity Measures for Spatial PersonalizationInternational Journal of Data Warehousing and Mining10.4018/jdwm.20100401046:2(59-78)Online publication date: 1-Apr-2010
https://dl.acm.org/doi/10.4018/jdwm.2010040104

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