NDLI: Demonstration of Taghreed: A system for querying, analyzing, and visualizing geotagged microblogs

Content Provider	IEEE Xplore Digital Library
Author	Magdy, A. Alarabi, L. Al-Harthi, S. Musleh, M. Ghanem, T.M. Ghani, S. Basalamah, S. Mokbel, M.F.
Copyright Year	2015
Description	Author affiliation: Dept. of Comput. Sci. & Eng., Univ. of Minnesota, Minneapolis, MN, USA (Magdy, A.; Alarabi, L.; Mokbel, M.F.) \|\| KACST GIS Technol. Innovation Center, Umm Al-Qura Univ., Makkah, Saudi Arabia (Al-Harthi, S.; Musleh, M.; Ghani, S.; Basalamah, S.) \|\| Dept. of Inf. & Comput. Sci., Metropolitan State Univ., St. Paul, MN, USA (Ghanem, T.M.)
Abstract	This paper demonstrates Taghreed; a full-fledged system for efficient and scalable querying, analyzing, and visualizing geotagged microblogs, such as tweets. Taghreed supports a wide variety of queries on all microblogs attributes. In addition, it is able to manage a large number (billions) of microblogs for relatively long periods, e.g., months. Taghreed consists of four main components: (1) indexer, (2) query engine, (3) recovery manager, and (4) visualizer. Taghreed indexer efficiently digests incoming microblogs with high arrival rates in light main-memory indexes. When the memory becomes full, the memory contents are flushed to disk indexes which are managing billions of microblogs efficiently. On memory failure, the recovery manager restores the memory contents from backup copies. Taghreed query engine consists of two modules: a query optimizer and a query processor. The query optimizer generates an optimized query plan to be executed by the query processor to provide low query responses. Taghreed visualizer features to its users a wide variety of spatiotemporal queries and presents the answers on a map-based user interface that allows an interactive exploration. Taghreed is the first system that addresses all these challenges collectively for geotagged microblogs data. The system is demonstrated based on real system implementation through different scenarios that show system functionality and internals.
Starting Page	1416
Ending Page	1419
File Size	935937
Page Count	4
File Format	PDF
ISBN	9781479979646
DOI	10.1109/ICDE.2015.7113390
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-04-13
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Data visualization Twitter Real-time systems Engines Indexing Visualization
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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Demonstration of Taghreed: A System for Querying, Analyzing, and Visualizing Geotagged Microblogs

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