Ardi Imawan

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We present a novel system called Extrac for querying a large database of road traffic information. Such traffic data are collected from an ITS (Intelligent transportation systems) center of Busan and represents speed values of all road segments of Busan for every 5 minutes. Extrac stores the collected traffic data into a No SQL document database and(More)
The escalation of traffic congestion in urban cities has urged many countries to use intelligent transportation system (ITS) centers to collect historical traffic sensor data from multiple heterogeneous sources. By analyzing historical traffic data, we can obtain valuable insights into traffic behavior. Many existing applications have been proposed with(More)
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