Travel time estimation using NiagaraST and latte

Authors:
Kristin Tufte;Jin Li;David Maier;Vassilis Papadimos;Robert L. Bertini;James Rucker
Affiliations:
Portland State University, Portand, OR;Portland State University, Portand, OR;Portland State University, Portand, OR;Portland State University, Portand, OR;Portland State University, Portand, OR;Portland State University, Portand, OR
Venue:
Proceedings of the 2007 ACM SIGMOD international conference on Management of data
Year:
2007

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Abstract

To address increasing traffic congestion and its associated consequences, traffic managers are turning to intelligent transportation management. The latte project is extending data stream technology to handle queries that combine live streams with large data archives, motivated by needs in the Intelligent Transportation Systems (ITS) domain. In particular, we focus on queries that combine live data streams with large data archives. We demonstrate such stream-archive queries via the travel-time estimation problem. The demonstration uses the new latte system which has been developed using the NiagaraST stream processing system and the PORTAL transportation data archive.