Stepwise optimization method for k-CNN search for location-based service

  • Authors:
  • Jun Feng;Naoto Mukai;Toyohide Watanabe

  • Affiliations:
  • Hohai University, Nanjing, Jiangsu, China;Nagoya University, Nagoya, Aichi, Japan;Nagoya University, Nagoya, Aichi, Japan

  • Venue:
  • SOFSEM'05 Proceedings of the 31st international conference on Theory and Practice of Computer Science
  • Year:
  • 2005

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Abstract

In this paper, we focus on a typical situation of LBS which is to provide services for users in cars that move in a road network. For such kind of users, the problem of k-CNN search along a specific route on road network is to find out k nearest neighbor (k-NN) objects for any place on the route. k nearest neighbors are selected based on the path length from the route to the objects, and the continuous search for all the points on the route should be considered. A k-CNN search method is proposed by using an incremental k-NN search based on road network.