نتایج جستجو برای: spatio temporal

تعداد نتایج: 244666  

1998
Hiroshi Nozawa Naoki Saiwaki Shogo Nishida

This paper deals with spatio-temporal indexing methods for moving objects. Spatio-temporal indexing method gives a basis for data management structure for efficient search for large scale spatio-temporal data. In this paper. t\co types of indexing methods are proposed for managing spatio-temporal data for moving objects. Both methods are evaluated by computer simulation. and the merits and deme...

2008
Yang ping Tang Xinming Wang Huibing

As efforts grow to develop spatio-temporal database systems and temporal geographic information systems that are capable of conveying how geographic phenomena change, it is urgent to analyze the impetus and mechanism that the spatio-temporal process happed. The authors proposed a set of universal change patterns for modelling of spatio-temporal processes, which builds a fundamental basis for th...

Journal: :GeoInformatica 2016
Hang Yue Laurence R. Rilett Peter Z. Revesz

This paper presents a transportation spatio-temporal system that efficiently converts traffic video data into vehicular motion information in spatio-temporal databases for a variety of transportation applications. The proposed transportation spatio-temporal system interpolates the vehicle trajectory data (i.e., time, location, and speed), which are extracted from video, and integrates them with...

Journal: :ACM Transactions on Information Systems 2001

Journal: :Optics Express 2009

2003
Zonghuang Yang Masayuki Yamauchi Yoshifumi Nishio Akio Ushida

The work is concerned with investigation of spatio-temporal phenomena on mutually coupled CNN array. Besides pattern formation and active wave propagation, we found that other interesting spatio-temporal phenomena such as phaseinversion-wave and classical waves can be also observed in the same network structure. In particular, we focus our discussion on the relations of spatio-temporal phenomen...

Journal: :Information Systems 2006

Journal: :ISPRS International Journal of Geo-Information 2013

2008
Wang Huibing

Object-Relational Database (ORDB) techniques are developed rapidly in recent years and widely used for spatial data storage and manipulation. The ORDB has strong basis both on theories and applications, and if well extended, it can also be used to handle spatio-temporal data. Although ample research on spatio-temporal data modeling has been performed, very little work exists on how to implement...

Journal: :ACM Transactions on Information Systems 2005

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