Prediction of bus motion and continuous query processing for traveler information services

Authors:
Bratislav Predic;Dragan Stojanovic;Slobodanka Djordjevic-Kajan;Aleksandar Milosavljevic;Dejan Rancic
Affiliations:
Faculty of Electronic Engineering, University of Nis, Nis, Serbia;Faculty of Electronic Engineering, University of Nis, Nis, Serbia;Faculty of Electronic Engineering, University of Nis, Nis, Serbia;Faculty of Electronic Engineering, University of Nis, Nis, Serbia;Faculty of Electronic Engineering, University of Nis, Nis, Serbia
Venue:
ADBIS'07 Proceedings of the 11th East European conference on Advances in databases and information systems
Year:
2007

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Abstract

The paper presents the methods for prediction of bus arrival times and continuous query processing as foundations of traveler information services. The time series of data from automatic vehicle location (AVL) system, consisting of time, location and speed data, is used with historical statistics and bus schedule information to predict future arrivals and motion. Based on predicted and AVL data, continuous query processing technique is proposed to extend traveler information service with notification/alarm features. Extensive experiments have shown that the proposed algorithm for bus motion prediction is efficient enough to function in real conditions and that augmented with continuous query processing techniques can produce services that useful to the travelers.