Processing Multiple-User Location-Based Keyword Queries
نویسندگان
چکیده
منابع مشابه
A Tool for Processing Spatial Queries with Multiple Keyword Support
Spatial Data Mining (SDM) is the process of mining spatial databases. Spatial databases contain details of geographical objects. Spatial data is generally associated with non-spatial data as well. Queries on spatial databases can also predicates to obtain the required results. However, the predicates are pertaining to the geographical features of spatial objects. The applications that use spati...
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The large sizes of existing databases are rapidly increasing with time. In this environment, there is a need to help users, who are usually not familiar with SQL statements and the schema of a database, in getting the information sorted according to their relevancy. In response to this need, many researchers have introduced the capability of querying a database based on a list of keywords. A us...
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In the past few years, the wide application of online map applications and location based services has significantly changed the ways of our life. Today, it is typical for us to search for directions or businesses on the Internet and find our ways through cell phones. Lots of the location based services require providing answers to users continuously so that the users can interact with the appl...
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Important cloud services rely on spatial-keyword queries, containing a spatial predicate and arbitrary boolean keyword queries. In particular, we study the processing of such queries in main memory to support short response times. In contrast,current state-of-theart spatial-keyword indexes and relational engines are designed for different assumptions. Rather than building a new spatial-keyword ...
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With the proliferation of geo-positioning and geo-tagging techniques, spatio-textual objects that possess both a geographical location and a textual description are gaining in prevalence, and spatial keyword queries that exploit both location and textual description are gaining in prominence. However, the queries studied so far generally focus on finding individual objects that each satisfy a q...
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ژورنال
عنوان ژورنال: IEICE Transactions on Information and Systems
سال: 2018
ISSN: 0916-8532,1745-1361
DOI: 10.1587/transinf.2017edp7375