ESA's Heterogeneous Missions Accessibility (HMA) work yields EO Satellite Ground Segment Interoperability Manual

  • Posted on: 8 August 2012
Contributing Author Information:
Contributed by: 
Pier Giorgio Marchetti, Head of Research and Ground Segment Technology Section EOP-GSR, European Space Agency (ESA)

The Heterogeneous Missions Accessibility (HMA) manual [1], freely downloadable from the ESA web site [2], provides a high level view on the results of several years of harmonisation and standardisation work in  the critical area of ground segment interoperability of Earth Observation satellite missions.  The coordinated effort of the European space and downstream industries, research centres, agencies and institutions has made a significant contribution to the definition of geospatial standards published within the Open Geospatial Consortium. Earth Observation systems are inherently

New OGC standard has an important role in improving shared situational awareness.

  • Posted on: 23 May 2012
Contributing Author Information:
Contributed by: 
Roger Brackin, MSc, Envitia Research Director

A new standard being developed in the OGC has an important part in improving shared situational awareness. The candidate OGC Web Services (OWS) Context standard encodes the key elements of a common operating picture: the geographic area, an optional time range, and an ordered series of layers from different services or inline content. This allows a situational awareness view of one user to be passed to other users so that the same picture can be reconstructed.

Investigating OGC Standards' Potential Role in Healthier, More Resilient Communities

  • Posted on: 7 March 2012
Contributing Author Information:
Contributed by: 
Eddie Oldfield, Director, New Brunswick Climate Change Hub

Over the past decade, location data and spatial analytics have played a transformative role in addressing a number of global issues. My interest has focused on improving public health and sustainable communities through improved sharing of geospatial information.

The Power of Location

“Location targeting is the holy grail for marketers.” This statement was directed to an entire industry at Mobile World Congress by Sir Martin Sorrell, CEO of the world's largest advertising company by revenues. While this may be a revelation of a new reality to some, the geographer reading this might be saying, "Where's Waldo?" The so-called first law of geography from Waldo Tobler is "Everything is related to everything else, but near things are more related than distant things.” This was recently validated by analysis of

Is the OGC playing with Linked Data?

Linked Data is about enabling computers to search structured information about “things” over the web. The linking methodology is based on the following Semantic Web principles:

1) Things are uniquely identified using Uniform Resource Identifiers (URIs).

2) Use HTTP (HyperText Transfer Protocol) URIs, to make those things accessible by computer programs.

3) The knowledge of things is expressed using the W3C Resource Description Framework (RDF) and queried via SPARQL.