infrastructures (SDI) are comprehensive technologies upon which any service that integrates geospatial information can rely. The … authors are working on the assumption that the foundations and underlying technologies of GIT and SDI can be applied to … geographic standards (OGC, ISO) and aeronautical regulations (ICAO, EUROCONTROL) and supported by a scalable and distributed Web …

It is observed that none of the academic institutes in India contributes for the development of SDI model at national … aspects. Non-availability of a standard functional SDI model based on SOA, Lack of technical interoperability and security … aspects have also been a prime concern in SDI models using Open Source GIS (OSGIS). This article discusses appropriate …

streamflow drought index (SDI) for overlapping periods of 3, 6, 9 and 12 months at 14 hydrometric stations in the northwest of … the hydrological drought analysis based on the SDI showed that almost all the stations suffered from extreme droughts …

A juxtaposition of two competing views regarding the development and implementation of SDI, the article takes its two … positions from two separate sources. These opposing opinions are for either the implementation of SDI on defense grounds or the … cancelling of SDI to prevent destabilitization. …

regarding the rise and decline of the SDI program in the 1980s. It also explores the implications of ABM technologies and the …

As a critique of SDI, the article covers all aspects of SDI development and implementation. From the politcal, legal … and moral concerns presented by SDI to the technical difficulties in implementation of such systems, the ABM issue is …