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RESEARCH ARTICLE   Open Access    

Time constraint route search over multi-locations

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  • Abstract: Traditional Route Search aims at finding the path that goes through geographical entities that are relevant to the provided search terms from the start point to the end point. Without constraints, traditional Route Search visiting multiple locations is unreliable because locations may close after a specified time. In this paper, time constraint (operating hours of each location) is drawn into Route Search query in order to make the query more realistic. Two methods are proposed in this paper, namely Route Search for fixed locations (RFix) and Route Search for flexible locations (RFlex). These two queries are different from the existing Route Search query because (1) the end point is not pre-defined and (2) time constraint is involved. Our two proposal queries consider whether the locations are specifically pre-defined by the user or only the location types are specified. In each method, two propositions are presented for pruning expansion branches, which highly improves the performance. Our experiments verified the applicability of RFix and RFlex to solve Route Search queries with time constraint queries.
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  • Cite this article

    Geng Zhao, Kefeng Xuan, David Taniar, Maytham Safar, Bala Srinivasan. 2014. Time constraint route search over multi-locations. The Knowledge Engineering Review 29(2)217−233, doi: 10.1017/S0269888914000058
    Geng Zhao, Kefeng Xuan, David Taniar, Maytham Safar, Bala Srinivasan. 2014. Time constraint route search over multi-locations. The Knowledge Engineering Review 29(2)217−233, doi: 10.1017/S0269888914000058

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RESEARCH ARTICLE   Open Access    

Time constraint route search over multi-locations

The Knowledge Engineering Review  29 2014, 29(2): 217−233  |  Cite this article

Abstract: Abstract: Traditional Route Search aims at finding the path that goes through geographical entities that are relevant to the provided search terms from the start point to the end point. Without constraints, traditional Route Search visiting multiple locations is unreliable because locations may close after a specified time. In this paper, time constraint (operating hours of each location) is drawn into Route Search query in order to make the query more realistic. Two methods are proposed in this paper, namely Route Search for fixed locations (RFix) and Route Search for flexible locations (RFlex). These two queries are different from the existing Route Search query because (1) the end point is not pre-defined and (2) time constraint is involved. Our two proposal queries consider whether the locations are specifically pre-defined by the user or only the location types are specified. In each method, two propositions are presented for pruning expansion branches, which highly improves the performance. Our experiments verified the applicability of RFix and RFlex to solve Route Search queries with time constraint queries.

    • This research has been partially funded by the Australian Research Council (ARC) Discovery Project (Project No: DP0987687).

    • Copyright © Cambridge University Press 2014 2014Cambridge University Press
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    Cite this article
    Geng Zhao, Kefeng Xuan, David Taniar, Maytham Safar, Bala Srinivasan. 2014. Time constraint route search over multi-locations. The Knowledge Engineering Review 29(2)217−233, doi: 10.1017/S0269888914000058
    Geng Zhao, Kefeng Xuan, David Taniar, Maytham Safar, Bala Srinivasan. 2014. Time constraint route search over multi-locations. The Knowledge Engineering Review 29(2)217−233, doi: 10.1017/S0269888914000058
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