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A set of RDFgraphs representing the International [Chrono]stratigraphic Chart, comprising Turtle serializations of data from the 2017-02 version, along with updated ontologies that define the structur... moree of the data.
The Geological Timescale Model is aligned with the W3C OWL-Time ontology https://www.w3.org/TR/owl-time/ for the temporal topology, with OGC GeoSPARQL http://www.opengeospatial.org/standards/geosparql for location data, and with the W3C SOSA/SSN ontology for samples.
The content of the vocabulary matches the 2017-02 International Chronostratigraphic Chart. less
Legacy data - Geological Timescale - linked-data representation - Published 24 Jun 2020
The need to tag digital objects in various repositories such as datasets or scientific papers to allow for thematic classification is a well-known problem. In some cases a free tagging approach is use... mored where contributors can add any keywords they desire while in other cases, selection from a controlled vocabulary is mandated. To enable repository managers to allow both free tagging and the use of controlled vocabularies, we have created the Keyword Aggregator (KWA) system, key aspects of which are outlined next. A web service that: provides fast search access to vocabulary content; stores multiple, controlled, vocabularies of terms; permits the addition of new keywords. An example widget that makes use of the web service and can be embedded in a web page. Use of a relational database that captures keyword use statistics. A management methodology that: allows particular vocabularies to be selected for use on a per-widget instance basis; allows vocabulary updating through storage in versioned repositories; stores vocabularies with vocabulary-level metadata enabling vocabulary discovery; permits one vocabulary to link to a single term in another vocabulary (allows a 'vocabulary-of-vocabularies'). The focus of KWA is on the creation of a flexible keyword aggregation, management and search system for science keywords, however vocabularies of any kind could, in principle, be handled by this system. This release allows KWA to be run under Python 2 or 3 and more importantly, adds containerisation support via Docker to simplify deployment. In addition, graph loading scripts were added and various internal improvements and bug fixes were made. See the README.pdf supporting attachment for more detail.less
eReefs - Science of GBR - Semantic Tools - Published 19 Jan 2018
A set of RDFgraphs representing the International [Chrono]stratigraphic Chart, comprising Turtle serializations of data from the2016 version, along with updated ontologies that define the structure of... more the data.
In this version the Geological Timescale Model is aligned with the W3C OWL-Time ontology https://www.w3.org/TR/owl-time/ for the temporal topology, with OGC GeoSw3PARQL http://www.opengeospatial.org/standards/geosparql for location data, and with the W3C SOSA/SSN ontology for samples. less
Connecting Information and People Strategic 16-17 - Spatial data on the web - Published 12 May 2017
A set of files containing RDF representations of the International [Chrono]stratigraphic Chart, including RDF/XML and Turtle serializations of data from the versions published in 2004, 2005, 2006, 200... more8, 2009, 2010, 2012, 2013, 2014
To accompany publication of paper
"A geologic timescale ontology and service" by SJD Cox and SM Richard
Submitted to Earth Science Informaticsless
Legacy data - AuScope - Published 15 May 2014