Scalable Processing of Spatial-Keyword Queries (Synthesis Lectures on Data Management)

Author(s): Ahmed R. Mahmood, Walid G. Aref, H. V. Jagadish

Date: Format: pdf Language: English ISBN/ASIN: 1681734893
Pages: OCR: Quality: ISBN13:
Uploader: Upload Date: 3/8/2019 9:31:59 AM

Text information this is related to location information has change into ubiquitous. A tweet is an instance of this sort of information, the place the textual content in a tweet is related to the positioning the place the tweet has been issued. We use the time period spatial-keyword information to seek advice from this sort of information. Spatial-keyword information is being generated at huge scale. Almost all on-line transactions have an related spatial hint. The spatial hint is derived from GPS coordinates, IP addresses, or cell-phone-tower places. Hundreds of thousands and thousands and even billions of spatial key phrase items are being generated day-to-day. Spatial-keyword information has a large number of packages that require environment friendly processing and leadership of big quantities of spatial-keyword information.
This e book begins by way of overviewing some essential packages of spatial-keyword information, and demonstrates the size at which spatial-keyword information is being generated. Then, it formalizes and classifies the quite a lot of varieties of queries that execute over spatial-keyword information. Next, it discusses essential and fascinating homes of spatial-keyword question languages which can be had to specific queries over spatial-keyword information. As shall be illustrated, present spatial-keyword question languages range within the varieties of spatial-keyword queries that they are able to enhance.
There are many programs that procedure spatial-keyword queries. Systems vary from every different in quite a lot of sides, e.g., whether or not the device is batch-oriented or stream-based, and whether or not the device is centralized or allotted. Moreover, spatial-keyword programs range within the varieties of queries that they enhance. Finally, programs range within the varieties of indexing tactics that they undertake. This e book supplies an summary of the principle spatial-keyword data-management programs (SKDMSs), and classifies them in keeping with their options. Moreover, the e book describes the principle approaches followed when indexing spatial-keyword information within the centralized and allotted settings. Several case research of {SKDMSs} are introduced in conjunction with the packages and question sorts that those {SKDMSs} are focused for and the indexing tactics they make the most of for processing their queries.
Optimizing the efficiency and the question processing of {SKDMSs} nonetheless has many examine demanding situations and open issues. The e book concludes with a dialogue about a number of essential and open research-problems within the area of scalable spatial-keyword processing.
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