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DISPAQ: Distributed Profitable-Area Query from Big Taxi Trip Data.

Fadhilah Kurnia Putri1, Giltae Song2, Joonho Kwon3

  • 1Department of Big Data, Pusan National University, Busan 46241, Korea. fadhilahkp@pusan.ac.kr.

Sensors (Basel, Switzerland)
|September 27, 2017
PubMed
Summary

Taxi drivers can find more passengers using the new Distributed Profitable-Area Query (DISPAQ) system. This system analyzes big taxi trip data to identify profitable areas, boosting driver efficiency and earnings.

Keywords:
GPS sensorsPQ-indexZ-skylinebig datadistributed processingprofitable areastaxi trip data

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Area of Science:

  • Data Science
  • Transportation Systems
  • Database Systems

Background:

  • Taxi drivers face challenges in efficiently locating passengers to maximize profits.
  • Internet of Things (IoT) technology offers opportunities to analyze transportation data for improved services.

Purpose of the Study:

  • To propose a novel query processing system, DISPAQ, for identifying profitable areas for taxi drivers.
  • To enhance the efficiency and scalability of processing large volumes of taxi trip data.

Main Methods:

  • Developed a Distributed Profitable-Area Query (DISPAQ) system using Apache Spark and MongoDB.
  • Implemented a profitable-area query index (PQ-index) for efficient candidate area identification.
  • Utilized a Z-Skyline algorithm with local Z-Skyline optimization for refining profitable areas.

Main Results:

  • DISPAQ efficiently identifies profitable areas by querying taxi trip data.
  • The Z-Skyline algorithm and local optimization significantly improve query processing performance.
  • Extensive evaluations demonstrate the system's scalability and efficiency on real-world datasets.

Conclusions:

  • DISPAQ provides a scalable and efficient solution for processing profitable-area queries on big taxi trip data.
  • The proposed system can help taxi drivers increase profits by guiding them to high-potential areas.