نتایج جستجو برای: sdis hyperring

تعداد نتایج: 313  

Journal: :ISPRS Int. J. Geo-Information 2017
Matthieu Noucher Françoise Gourmelon Pierre Gautreau Jade Georis-Creuseveau Adeline Maulpoix Julie Pierson Nathalie Pinède Olivier Pissoat Mathias Rouan

Since the appearance of Spatial Data Infrastructure several years ago, there has been a tremendous increase in spatial data available on the Internet. This situation raises several research issues, in terms of identifying the content actually accessible via this medium and its impact on governance and local authority management. Our study proposes a mixed methodology applied to 45 French instit...

2008
Abbas Rajabifard Mary-Ellen Feeney Ian P. Williamson

Understanding the role of Spatial Data Infrastructure (SDI) is important to acceptance of the concept and its alignment with spatial industry objectives. Much has been done to describe and understand the components and interactions of different aspects of SDIs and their integration into the transactions of the spatial data community. However, what fails to be received through these perceptions,...

Journal: :Journal of Interconnection Networks 1994
Afonso Ferreira Alfredo Goldman Siang Wun Song

In most distributed memory MIMD multiprocessors, processors are connected by a point-to-point interconnection network. Since interprocessor communication frequently constitutes serious bottlenecks, several architectures were proposed that enhance point-to-point topolo-gies with the help of multiple bus systems so as to improve the communication eeciency. In this paper we study parallel architec...

Journal: :Social Science Research Network 2021

Background: In China, chronic obstructive pulmonary disease (COPD) was accounted for a quarter of the global COPD population and has become large economic burden. However, comprehensive picture burden, is not readily available all provinces China.  Methods: Using GBD 2019, we analyzed incidence, prevalence, mortality, disability-adjusted life years (DALYs) attributable to across China corres...

Journal: :Computers, Environment and Urban Systems 2008
Garfield A. Giff Joep Crompvoets

Funding the reengineering and recapitalisation of Spatial Data Infrastructures (SDIs) will, in part, depend on the ability of SDI component coordinators to comprehend and report on the performance of their initiatives. This is important for both aspects, as for reengineering, the performance of an infrastructure can only be improved if it is measured. For recapitalization, attracting new invest...

2016
L. Knoth M. Mittlböck B. Vockner

While digitization as well as new technologies and paradigms such as the Internet of Things (IoT) help solving issues within smart factories, they simultaneously trigger new challenges. The creation of smart factories, whose components communicate in an intelligent manner, is located at the frontier of the virtual and the real world. To connect both worlds, spatio-temporal information can be us...

2009
Serena Coetzee

The concept of grid computing has permeated all areas of distributed computing, changing the way in which distributed systems are designed, developed and implemented. Data grids enable the sharing of data in a virtual organisation and are typically implemented for data federation in data-intensive environments. So far, they have been applied to traditional data (text, image, sound). We present ...

1999
Abbas Rajabifard Tai On Chan Ian P. Williamson

Today, more than ever, it is important to look beyond our national boundaries. The world as we know it is changing. Economies worldwide are undergoing a process of profound and continuing structural change, and the global village is becoming a reality driven by information and communication technologies. With this background, many countries throughout the world believe they can benefit both eco...

Journal: :ISPRS Int. J. Geo-Information 2013
Ben Knoechel Chih-Yuan Huang Steve H. L. Liang

The Sensor Web is a growing phenomenon where an increasing number of sensors are collecting data in the physical world, to be made available over the Internet. To help realize the Sensor Web, the Open Geospatial Consortium (OGC) has developed open standards to standardize the communication protocols for sharing sensor data. Spatial Data Infrastructures (SDIs) are systems that have been develope...

2017
Gengyuan Liu Mark T. Brown Marco Casazza

Different sustainability indicators tend to reflect different or even converse outcomes in terms of countries. A careful comparative study is needed to clarify whether these indicators are actually coherent with each other. We analyze and compare five sustainable development indicators. Pearson correlation was used to make a comparative study among them. Within the two groups, the indicators ar...

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