NDLI: Prioritizing Travel Time Reports in Peer-to-Peer Traffic Dissemination

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Prioritizing Travel Time Reports in Peer-to-Peer Traffic Dissemination

Content Provider	CiteSeerX
Author	Xu, Bo Rishe, Naphtali Szczurek, Piotr Wolfson, Ouri Lin, Jie
Abstract	Abstract — Vehicular ad-hoc networks (VANETs) is a promising approach to the dissemination of spatio-temporal information such as the current traffic condition of a road segment or the availability of a parking space. Due to the constraint of the communication bandwidth, only a limited number of information items may be transmitted upon a vehicle-to-vehicle communication opportunity. Ranking becomes critical in this situation, by enabling the most important information to be transmitted under the bandwidth constraint. In this paper we propose a method for online learning of spatio-temporal information ranking for a travel time dissemination application within a VANET. In this method, vehicles judge the relevance of incoming information items and use them as training examples for Naive Bayesian learning. Additionally, a separate machine learning algorithm is used to estimate the probability of a duplicate item being transmitted. The method is used in place of commonly used heuristics, and is shown to be superior in the application of travel time dissemination. Keywords-machine learning, VANET, data prioritization, dissemination I.
File Format	PDF
Access Restriction	Open
Subject Keyword	Current Traffic Condition Travel Time Report Communication Bandwidth Promising Approach Separate Machine Abstract Vehicular Ad-hoc Network Online Learning Information Item Spatio-temporal Information Duplicate Item Road Segment Naive Bayesian Learning Travel Time Dissemination Application Training Example Vehicle-to-vehicle Communication Opportunity Keywords-machine Learning Spatio-temporal Information Ranking Bandwidth Constraint Travel Time Dissemination Important Information Peer-to-peer Traffic Dissemination Data Prioritization Parking Space
Content Type	Text
Resource Type	Article

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