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PostGIS (/ ˈ p oʊ s t dʒ ɪ s / POST-jis) is an open source software program that adds support for geographic objects to the PostgreSQL object-relational database. PostGIS follows the Simple Features for SQL specification from the Open Geospatial Consortium (OGC). PostGIS is implemented as a PostgreSQL external extension. [2]
uDig is a GIS software program produced by a community led by Canadian-based consulting company Refractions Research. [1] uDig is based on the Eclipse platform and features full layered Open Source GIS. It is written in Java and released under EPL and BSD licences (formerly under GNU LGPL). [2]
In computing, GeoServer is an open-source server written in Java that allows users to share, process and edit geospatial data.Designed for interoperability, it publishes data from any major spatial data source using open standards.
Refraction at interface. Many materials have a well-characterized refractive index, but these indices often depend strongly upon the frequency of light, causing optical dispersion. Standard refractive index measurements are taken at the "yellow doublet" sodium D line, with a wavelength (λ) of 589 nanometers.
The Research Libraries Group (RLG) was a U.S.-based library consortium that existed from 1974 until its merger with the OCLC library consortium in 2006. RLG developed the Eureka interlibrary search engine, the RedLightGreen database of bibliographic descriptions, and ArchiveGrid , a database containing descriptions of archival collections.
Shiny new hardcovers can run you about $30, but you don't need to spend that to be well-read. Here are five tips to get digital books for free.
In August 2015 MarketCast acquired the Insight Strategy Group. [11] In August 2017, MarketCast acquired Fizziology, a data analytics company based in Indianapolis, [12] and in 2018 it bought Turnkey Intelligence, a sports research firm. [13] As a result of these four acquisitions MarketCast began to operates through four consumer insights ...
Refraction networking, also known as decoy routing, is a research anti-censorship approach that would allow users to circumvent a censor without using any individual proxy servers. [1] Instead, it implements proxy functionality at the core of partner networks, such as those of Internet service providers , outside the censored country.