نتایج جستجو برای: spatial processing
تعداد نتایج: 828052 فیلتر نتایج به سال:
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 predicate, contain Q in their result. We first sho...
The user of a Geographical Information System is not limited to conventional spatial selections and joins, but may also pose more complicated and descriptive queries. In this paper we focus on the efficient processing and optimization of complex spatial queries that involve combinations of spatial selections and joins. Our contribution is manifold; we first provide formulae that accurately esti...
Touch Neurons Have a Good Sense of Direction Richard Robinson Freelance Science Writer, Sherborn, Massachusetts, United States of America Citation: Robinson R (2010) Touch Neurons Have a Good Sense of Direction. PLoS Biol 8(2): e1000304. doi:10.1371/journal.pbio.1000304 Published: February 2, 2010 Copyright: © 2010 Richard Robinson. This is an open-access article distributed under the terms o...
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