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Table 1 Comparison of existing platforms and systems that provide and apply life science ontologies

From: GOMMA: a component-based infrastructure for managing and analyzing life science ontologies and their evolution

  OLS OBO BioPortal GOMMA SAMBO
Description Service to query, browse and navigate biomedical ontologies Collaborative platform having shared principles to govern and coordinate ontology development System to access and share ontologies that are actively used in biomedical communities Infrastructure to manage, analyze and match ontologies taking their evolution into account System for aligning and merging biomedical ontologies
Supported ontology formats OBO OBO, OWL OBO, OWL, RDF, RRF, ... OBO, OWL, RDF, ... (extensible via flexible importers) OWL
Ontology mappings - x x x x
Versioning support - (only latest versions are accessible) x (downloadable versions via CVS repository) x (access and download of ontology versions) x (efficient versioning of ontologies in a repository) - (no explicit ontology versioning possible)
Evolution mappings      
1) change log - x (information about changes via newsletters) - - (version comparison to detect changes) -
2) complex diff - - - x -
Match support/functionality - - - x (metadata, external knowledge, instances) x (metadata, external knowledge, documents, learner)
Search, navigation ontologies ontologies ontologies and mappings ontologies, ontology evolution -
"Special Functionalities" auto completion, term hierarchies via graphs discussion lists and wiki to support collaborative development automatic text annotation enhanced Diff, annotation migration merging, user interaction
Availability and Access      
1) download (ontologies, mappings) x x x - -
2) visualization/GUI x (web application)) - (infrastructure to share the ontologies) x (web portal) x (web application OnEX) x (desktop GUI)
3) API/web service x (web service: Ontology QueryService - x (web service to access and query available on tologies) x (query ontology and mapping versions, statistics, diff, match via API) unknown
  1. The table provides a comparative overview of platforms that provide and apply life science ontologies. The systems are compared by different characteristics such as versioning support or search/navigation facilities.