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 records this is related to location records has change into ubiquitous. A tweet is an instance of this sort of records, 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 records to confer with this sort of records. Spatial-keyword records is being generated at large 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 records has a large number of programs that require environment friendly processing and leadership of big quantities of spatial-keyword records.
This e-book begins via overviewing some necessary programs of spatial-keyword records, and demonstrates the size at which spatial-keyword records is being generated. Then, it formalizes and classifies the more than a few sorts of queries that execute over spatial-keyword records. Next, it discusses necessary and fascinating homes of spatial-keyword question languages which might be had to categorical queries over spatial-keyword records. As can be illustrated, present spatial-keyword question languages range within the sorts of spatial-keyword queries that they may be able to enhance.
There are many techniques that procedure spatial-keyword queries. Systems fluctuate from each and every different in more than a few facets, e.g., whether or not the machine is batch-oriented or stream-based, and whether or not the machine is centralized or allotted. Moreover, spatial-keyword techniques range within the sorts of queries that they enhance. Finally, techniques range within the sorts of indexing tactics that they undertake. This e-book supplies an outline of the principle spatial-keyword data-management techniques (SKDMSs), and classifies them in step with their options. Moreover, the e-book describes the principle approaches followed when indexing spatial-keyword records within the centralized and allotted settings. Several case research of {SKDMSs} are offered along side the programs and question sorts that those {SKDMSs} are centered 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 study demanding situations and open issues. The e-book concludes with a dialogue about a number of necessary and open research-problems within the area of scalable spatial-keyword processing.
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