On location models for ubiquitous computing

被引：121

作者：

Becker, Christian ^{[1
]}

Duerr, Frank ^{[1
]}

机构：

[1] Univ Stuttgart, Inst Parallel & Distributed Syst IPVS, D-70569 Stuttgart, Germany

来源：

PERSONAL AND UBIQUITOUS COMPUTING | 2005年 / 9卷 / 01期

关键词：

Location model; Ubiquitous computing; Context-awareness; Location-based services;

D O I：

10.1007/s00779-004-0270-2

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Common queries regarding information processing in ubiquitous computing are based on the location of physical objects. No matter whether it is the next printer, next restaurant, or a friend is searched for, a notion of distances between objects is required. A search for all objects in a certain geographic area requires the possibility to define spatial ranges and spatial inclusion of locations. In this paper, we discuss general properties of symbolic and geometric coordinates. Based on that, we present an overview of existing location models allowing for position, range, and nearest neighbor queries. The location models are classified according to their suitability with respect to the query processing and the involved modeling effort along with other requirements. Besides an overview of existing location models and approaches, the classification of location models with respect to application requirements can assist developers in their design decisions.

引用

页码：20 / 31

页数：12

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