1. THORS ontology updated to align with OWL-Time (instead of ISO 19108).
2. GTS ontology updated to use sam-lite (instead of OWL implementation of ISO 19156)
with a lightweight SOSA alignment
3. Spatial data uses GeoSPARQL (instead of OWL implementation of ISO 19107)
|
|
| 2009-05-01 Introduced Holocene subdivisions, as shown in 2018 version from stratigraphy.org
- see
|
|
2017-02-22 Added additional collections for eras of each rank;
classified rank-based collections using XKOS;
cleaned out legacy Base* instances that did not have links;
renamed *[GS]SP individuals to *SP;
removed all boundaries as TopConcepts, leaving on PreCambrian and Phanerozoic as TopConcepts
|
|
| 2017/02 - Paleogene: Base of Chattian: The numeric age is updated to that at the ratified
GSSP (27.82 Ma; Nanno et al. exp. 2017; by request of Simonetti Monechi)
|
|
| 2018-09-27 fixed some broken namespaces and prefixes, mostly related to SPARQL - some
kind of search/replace error
|
|
2019-05-01 - Updated to 2018-08 version;
removed StratigraphicPoints, Ranks, TimePositions collections;
nested sub-collections in GeochronologicEra
|
|
| Added informal definition of chronometric temporal reference system - Millions of
years, counting backwards from 1950
|
|
| See <http://stratigraphy.org/ICSchart/ChangeLog2012-2013-2014-2015-2016-2017-2018.txt>
for changes from prior versions
|
|
