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GI-cat Documentation

Overview

GI-cat features caching and mediation capabilities and can act as a broker towards disparate catalog and access services: by implementing metadata harmonization and protocol adaptation, it is able to transform query results to a uniform and consistent interface. GI-cat is based on a service-oriented framework of modular components and can be customized and tailored to support different deployment scenarios.

GI-cat-block.png

GI-cat can access a multiplicity of catalogs services, as well as inventory and access services to discover, and possibly access, heterogeneous ESS resources. Specific components implement mediation services for interfacing heterogeneous service providers which expose multiple standard specifications; they are called Accessors. These mediating components map the heterogeneous providers metadata models into a uniform data model which implements ISO.png ISO 19115, based on official ISO.png ISO 19139 schemas and its extensions (check out more information about the internal GI-cat format) . Accessors also implement the query protocol mapping; they translate the query requests expressed according to the interface protocols exposed by GI-cat, into the multiple query dialects spoken by the resource service providers. Currently, a number of well-accepted catalog and inventory services are supported, including several OGC Web Services (e.g. WCS, WMS), THREDDS Data Server, SeaDataNet Common Data Index, and GBIF. A list of test endpoints is here available. If you want to have also your endpoint listed, please contact us.

GI-cat itself exposes several interfaces, including the OGC CSW interfaces (Core, ISO, ebRIM EO and ebRIM CIM). The query and result mediation is implemented by the Profilers). A Distributor component implements the query distribution functionalities (e.g. results aggregation).

- Supported sources:

- Available catalog interfaces:

Howto and manuals

lightbulb_48.png An excellent video guide for configuring GI-cat is available . NEW It is created and published by Rich Signell.

paper_content_pencil_48.png GI-portal GI-portal is a simple web client for GI-cat. It is shipped along with GI-cat server, so you can use it also to perform post installation checks very easily.

Publications

A list of available GI-cat publications

  • S. Nativi, L. Bigagli, “Discovery, Mediation, and Access Services for Earth Observation Data”, Selected Topics in Applied Earth Observations and Remote Sensing, IEEE Journal of Volume 2, No 4, Page(s):233 – 240, 2009 URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=05200393
  • Nativi, S.; Bigagli, L.; Mazzetti, P.; Boldrini, E.; Papeschi, F., "GI-Cat: A Mediation Solution for Building a Clearinghouse Catalog Service," Advanced Geographic Information Systems & Web Services, 2009. GEOWS '09. International Conference on , vol., no., pp.68-74, 1-7 Feb. 2009
    URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=4782694&isnumber=4782675
  • Nativi, S.; Bigagli, L.; Mazzetti, P.; Mattia, U.; Boldrini, E., "Discovery, query and access services for imagery, gridded and coverage data a clearinghouse solution," Geoscience and Remote Sensing Symposium, 2007. IGARSS 2007. IEEE International , vol., no., pp.4021-4024, 23-28 July 2007
    Abstract: The development of catalog clearinghouse solutions is a near-term challenge in support of fully functional and useful infrastructures for spatial data. We present an experimental catalog clearinghouse for Imagery, gridded and coverage data. The solution supports data discovery, evaluation, query distribution and mediation of several well-known catalog systems.
    URL:  http://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=4423731&isnumber=4422708
  • Bigagli, L.; Nativi, S.; Mazzetti, P.; Villoresi, G., "GI-Cat: a Web service for dataset cataloguing based on ISO 19115," Database and Expert Systems Applications, 2004. Proceedings. 15th International Workshop on , vol., no., pp. 846-850, 30 Aug.-3 Sept. 2004
    URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=1333582&isnumber=29439
  • L. Bigagli, S. Nativi, P. Mazzetti. Mediation to deal with information heterogeneity. European Geosciences Union, Advances in Geosciences (ADGEO), vol. 8, Earth System Science Data access, distribution and use for education and research, pp. 3-9. SRef-ID: 1680-7359/adgeo/2006-8-3, 2006. http://www.adv-geosci.net/8/3/2006/adgeo-8-3-2006.pdf

Documentation on GI-x

Download the lightbulb_48.png latest presentation on GI-x

Technical Information

The paper_content_pencil_48.pngGI-cat catalog v.6 service specification covers details about GI-cat architecture and available interfaces. This would be primarily useful to the aim of writing a client for GI-cat.
Topic attachments
I Attachment Action Size Date Who Comment
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Pngpng CSW-CORE.png manage 1.9 K 2010-05-27 - 07:49 EnricoBoldrini  
Pngpng CSW-GEOPORTAL.png manage 2.1 K 2011-01-25 - 15:55 EnricoBoldrini  
Pngpng CSW-ISO.png manage 1.8 K 2010-05-27 - 07:49 EnricoBoldrini  
Pngpng CSW-ebRIM-CIM.png manage 1.9 K 2010-05-27 - 07:49 EnricoBoldrini  
Pngpng CSW-ebRIM-EO.png manage 2.3 K 2010-05-27 - 07:49 EnricoBoldrini  
Pngpng DEEGREE.png manage 1.8 K 2010-05-27 - 08:04 EnricoBoldrini  
Pngpng DIF.png manage 3.3 K 2010-06-17 - 14:12 EnricoBoldrini  
Pngpng EGASKRO.png manage 2.6 K 2013-04-23 - 15:36 EnricoBoldrini Egaskro logo
Pngpng FILE.png manage 1.8 K 2010-06-17 - 14:19 EnricoBoldrini  
Pngpng GBIF-res.png manage 1.0 K 2010-05-27 - 07:47 EnricoBoldrini  
Pngpng GDACS.png manage 2.0 K 2010-05-27 - 11:38 FabrizioPapeschi  
Jpgjpg GENESI-DR_logo_H.jpg manage 370.3 K 2010-02-05 - 12:05 EnricoBoldrini  
Pngpng GENESI_DR.png manage 2.4 K 2010-05-27 - 12:05 FabrizioPapeschi  
Pngpng GEONETWORK.png manage 2.2 K 2010-05-27 - 07:53 EnricoBoldrini  
Gifgif GEO_logo_full.gif manage 10.0 K 2010-02-05 - 12:06 EnricoBoldrini  
Pdfpdf GI-cat-6.0-specification-0.1.pdf manage 1619.6 K 2009-07-23 - 10:24 EnricoBoldrini GI-cat catalog service v.6 specification (document version 0.1)
Pngpng GI-cat-block.png manage 458.7 K 2010-06-07 - 08:11 EnricoBoldrini  
Pngpng GI-cat-icon.png manage 2.1 K 2010-06-07 - 08:16 EnricoBoldrini  
Gifgif GI-cat.gif manage 42.2 K 2010-06-07 - 08:14 EnricoBoldrini  
Pngpng GI-cat.png manage 2.1 K 2010-06-07 - 08:14 EnricoBoldrini  
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Pngpng HYDRO.png manage 2.7 K 2012-01-13 - 14:28 EnricoBoldrini  
Pngpng INPE.png manage 1.6 K 2012-01-13 - 14:29 EnricoBoldrini  
Pngpng IRIS_event.png manage 1.5 K 2013-04-24 - 11:55 EnricoBoldrini  
Pngpng ISO.png manage 1.9 K 2010-07-23 - 16:30 EnricoBoldrini  
Pngpng KISTERS.png manage 3.8 K 2013-06-13 - 12:33 EnricoBoldrini  
Pngpng NETCDF.png manage 1.1 K 2010-05-27 - 07:51 EnricoBoldrini  
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Pngpng OPENSEARCH.png manage 1.3 K 2010-05-27 - 07:53 EnricoBoldrini  
Pngpng OPeNDAP-meatball.png manage 36.5 K 2014-07-22 - 12:46 EnricoBoldrini  
Pngpng RSS.png manage 1.8 K 2010-05-27 - 09:49 EnricoBoldrini  
Bmpbmp SEADATANET_CDI.bmp manage 2.8 K 2010-05-27 - 11:46 FabrizioPapeschi  
Pngpng SEADATANET_CDI.png manage 2.2 K 2010-05-27 - 11:47 FabrizioPapeschi  
Pngpng SITAD.png manage 1.1 K 2010-11-16 - 13:44 EnricoBoldrini  
Pngpng THREDDS-NCISO.png manage 2.0 K 2011-07-12 - 09:23 EnricoBoldrini  
Pngpng THREDDS.png manage 1.8 K 2010-05-27 - 07:47 EnricoBoldrini  
Pngpng W3C_Logo.png manage 23.5 K 2014-07-01 - 14:25 EnricoBoldrini  
Pngpng WAF.png manage 1.7 K 2011-08-05 - 12:12 EnricoBoldrini  
Pngpng WCS.png manage 1.8 K 2010-05-27 - 07:45 EnricoBoldrini  
Pngpng WFS.png manage 1.9 K 2010-05-27 - 07:46 EnricoBoldrini  
Pngpng WMS.png manage 1.9 K 2010-05-27 - 07:46 EnricoBoldrini  
Pngpng WPS.png manage 1.7 K 2010-05-27 - 11:17 EnricoBoldrini  
Pngpng bcodmo.png manage 25.5 K 2015-07-09 - 13:28 EnricoBoldrini  
Pngpng esa.png manage 124.2 K 2015-07-09 - 13:30 EnricoBoldrini  
Jpgjpg flickr-icon-galapagos.jpg manage 1.2 K 2012-11-13 - 15:35 EnricoBoldrini  
Jpgjpg giida.jpg manage 5.5 K 2010-02-05 - 12:10 EnricoBoldrini  
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GIFGIF hdf5.GIF manage 1.9 K 2012-11-14 - 13:03 EnricoBoldrini  
Pngpng hma-small.png manage 1.9 K 2012-09-28 - 08:43 EnricoBoldrini  
Pngpng host_generic.png manage 0.9 K 2010-05-27 - 09:55 EnricoBoldrini  
Pngpng logo-ckan.png manage 22.1 K 2014-07-01 - 14:16 EnricoBoldrini  
Jpgjpg logoEUROGEOSS.jpg manage 62.7 K 2010-02-05 - 12:09 EnricoBoldrini  
Gifgif logo_ss.gif manage 6.6 K 2010-02-05 - 12:04 EnricoBoldrini  
Pngpng nerrs.png manage 8.0 K 2015-07-09 - 13:31 EnricoBoldrini  
Pngpng paper_content_chart_48.png manage 4.6 K 2009-07-06 - 11:52 EnricoBoldrini  
Pngpng paper_content_pencil_48.png manage 5.4 K 2009-07-23 - 10:30 EnricoBoldrini  
Pngpng station.png manage 1.4 K 2013-04-24 - 08:37 EnricoBoldrini  
Pngpng unavco.png manage 0.6 K 2013-04-24 - 11:58 EnricoBoldrini  
Pngpng w3c.png manage 9.1 K 2014-07-01 - 14:21 EnricoBoldrini  
Pngpng w3c2.png manage 9.1 K 2014-07-01 - 14:23 EnricoBoldrini  
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