نتایج جستجو برای: geo spatial

تعداد نتایج: 374377  

2012
Manoj Pandya Prashant Chauhan

Geo Spatial information is a large collection of datasets referring to the real world entities. Geo Spatial information has evolved in the last decade which led to produce a vast platform in Government Administration, Scientific Analysis and other various sectors especially in disaster management (DM), site suitability of Check-dams for Irrigation Department etc. It is required to obtain impera...

2010
Till Nagel Frank Heidmann

In this paper we introduce a case study on tangible geo-visualization on an interactive tabletop to enable the exploration of architectural projects in Venice. The tangible user interface consists of a large display showing projects on a map, and a polyhedral object to browse these data interactively by selecting and filtering various metadata facets. With the object we aim to reduce the barrie...

Journal: :Indonesian Journal of Electrical Engineering and Computer Science 2022

<p>Due to the extensive use of social media and mobile devices, unbounded massive data is generated continuously. The need process this big increasing day by day. traditional processing algorithms fail cater various applications such as digital geo-based advertising, recommendation systems. There has been a high demand continuous spatial fuzzy textual queries over stream spatial-textual o...

2008
Ranjana Vyas Ravishankar Shukla

Geographical Decision Support System (Geo-DSS) is a demanding field, since enormous amount of spatial data have been collected in various applications, ranging form Remote Sensing to GIS, Computer Cartography, Environmental Assessment and Planning. Although some efforts were made to combine spatial mining with Spatial Decision Support System but mostly researchers for spatial database are using...

Journal: :Intell. Data Anal. 2003
Annalisa Appice Michelangelo Ceci Antonietta Lanza Francesca A. Lisi Donato Malerba

Census data mining has great potential both in business development and in good public policy, but still must be solved in this field a number of research issues. In this paper, problems related to the geo-referenciation of census data are considered. In particular, the accommodation of the spatial dimension in census data mining is investigated for the task of discovering spatial association r...

2017
Yifei JI Qilei ZHANG Yongsheng ZHANG Zhen DONG

Background ionospheric propagation effects are adverse to the performance of Geosynchronous Synthetic Aperture Radar (GEO SAR) system. This paper focuses on the background ionospheric phase advance, which can be modelled as a function of slant total electron content (STEC). The dispersive feature of the phase advance caused by the background ionosphere could be able to distort the GEO SAR range...

2010
A. K. Gosain Sandhya Rao Puja Singh Anamika Arora

An integrated database has been designed to cater to the data collected by different agencies on various aspects of biological and geophysical data, as part of the coordinated programme on ‘Bio-Geo database and ecological modeling for Himalayas’ initiated by NRDMS division of the Department of Science and Technology. The spatial database conforms to the NSDI standards. In order to facilitate th...

2014
Sunyou Lee Taesung Lee Seung-won Hwang

This paper discusses the problem of map translation, of servicing spatial entities in multiple languages. Existing work on entity translation harvests translation evidence from text resources, not considering spatial locality in translation. In contrast, we mine geo-tagged sources for multilingual tags to improve recall, and consider spatial properties of tags for translation to improve precisi...

2006
Swati Gehlot Edward Verbree

The recent integration of the internet with geo-information systems (GIS) has evolved the concept of Internet Distributed GeoInformation Services. Numerous research and implementation studies of standards of metadata, geo-libraries, data storage and retrieval etc. are being done giving way to exchange and share of geo-information. However, very little effort has gone into making it possible to ...

Journal: :تحقیقات جغرافیایی 0
مهران شبانکاری مهران شبانکاری امیر حسین حلبیان گروه علمی جغرافیا، دانشگاه پیام نور

in this research, temporal and spatial behavior of siberian high (sh) was studied at the level of 1000 h.pa. this study has been done using daily data of geo potential height at 12 gmt in ncep/ncar database with spatial resolution of 2.5ã—2.5 degree in a 55 years period including 20089 days from january, 1st, 1951(dey, 11th, 1329) to december, 31st,2005(dey, 10th,1384). at first, the mean geo p...

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