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Querying spatial patterns

Proceedings of the 13th International Conference on Extending Database Technology, 2010
Spatial data are common in many scientific and commercial domains such as geographical information systems and gene/protein expression profiles. Querying for distribution patterns on such data can discover underlying spatial relationships and suggest avenues for further scientific exploration.
Vishwakarma Singh   +2 more
openaire   +1 more source

Spatial Predictive Queries

2015 16th IEEE International Conference on Mobile Data Management, 2015
In this seminar, we address spatial predictive queries both in Euclidian spaces and over road networks. We provide a definition for various types of spatial predictive queries, describe current research trends, and envision future directions. We present practical application scenarios and emphasize the roadblocks that are holding industry back from the
Abdeltawab M. Hendawi, Mohamed H. Ali
openaire   +1 more source

Learned Index for Spatial Queries

2019 20th IEEE International Conference on Mobile Data Management (MDM), 2019
With the pervasiveness of location-based services (LBS), spatial data processing has received considerable attention in the research of database system management. Among various spatial query techniques, index structures play a key role in data access and query processing.
Haixin Wang 0001   +3 more
openaire   +2 more sources

Query Processing in Spatial-Query-by-Sketch

Journal of Visual Languages & Computing, 1997
Abstract Spatial-Query-by-Sketch is the design of a query language for geographic information systems. It allows a user to formulate a spatial query by drawing the desired configuration with a pen on a touch-sensitive computer screen and translates this sketch into a symbolic representation that can be processed against a geographic database.
openaire   +1 more source

Spatial Keyword Querying

2012
The web is increasingly being used by mobile users. In addition, it is increasingly becoming possible to accurately geo-position mobile users and web content. This development gives prominence to spatial web data management. Specifically, a spatial keyword query takes a user location and user-supplied keywords as arguments and returns web objects that ...
Xin Cao 0001   +7 more
openaire   +1 more source

Spatial-Query-by-Sketch

Proceedings 1996 IEEE Symposium on Visual Languages, 2002
Today's methods for interacting with geographic information systems (GISs) and geographic databases are primarily aspatial, as they require users to deal with geographic data primarily through alphanumeric command languages. Spatial querying by typing a command in some spatial query language or by selecting the same syntax from pull-down menus is a ...
openaire   +1 more source

Spatial Queries Evaluation with MapReduce

2009 Eighth International Conference on Grid and Cooperative Computing, 2009
Spatial queries include spatial selection query, spatial join query, nearest neighbor query, etc. Most of spatial queries are computing intensive and individual query evaluation may take minutes or even hours. Parallelization seems a good solution for such problems. However, parallel programs must communicate efficiently, balance work across all nodes,
Shubin Zhang   +4 more
openaire   +1 more source

Spatial inverse query processing

GeoInformatica, 2012
Traditional spatial queries return, for a given query object q, all database objects that satisfy a given predicate, such as epsilon range and k-nearest neighbors. This paper defines and studies inverse spatial queries, which, given a subset of database objects Q and a query predicate, return all objects which, if used as query objects with the ...
Mamoulis, N   +6 more
openaire   +3 more sources

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