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COMODI: COmputational MOdels DIffer - a hands-on-poster

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poster
posted on 2016-02-22, 15:23 authored by martin scharmmartin scharm, Dagmar WaltemathDagmar Waltemath, Olaf Wolkenhauer
Models are regularly updated, even after publication. The BiVeS library [3, 4, 5] offers comparison of versions of SBML [6] and CellML [7] encoded models. The result of such a comparison is a list of changes, based on the differences in both XML files. While it is now easy to see the differences in a network, it is still not possible to provide - or retrieve - information about the causes and effects of these changes. For example, together with a model update it should be possible to provide information on the characteristics of a change, e.g. stating that the changes remove an error in the kinetics.
We manually analysed hundreds of model versions and their differences from the BioModels Database [9] and the CellML Model Repository [8] to study the evolution of computational
models. We then derived a vocabulary to describe the differences and implemented it in the COMODI ontology. The OWL encoding and a documentation are available from our website [1]. A Java library [2] allows for easy integration in software projects.
We envision to use COMODI for automatic annotation of differences generated in BiVeS, and we like to provide it to modellers who wish to document
the evolution of their models.

[1] http://purl.org/net/comodi
[2] https://github.com/binfalse/jCOMODI
[3] https://sems.uni-rostock.de/bives/
[4] Scharm et al.: An algorithm to detect and communicate the differences in computational models describing biological systems Bioinformatics, 2015
[5] Waltemath et al.: Improving the reuse of computational models through version control Bioinformatics, 2013
[6] Hucka et al.: The Systems Biology Markup Language(SBML): A medium for representation and exchange of biochemical network models Bioinformatics, 2003
[7] Lloyd et al.: CellML: its future, presentand past Progress in Biophysicsand Molecular Biology, 2004
[8] Lloyd et al.: The CellML ModelRepository Bioinformatics, 2008
[9] Liet al.: BioModels Database: An enhanced, curated and annotated resourcefor published quantitative kinetic models BMC Systems Biology, 2010

Funding

This work has been funded by the German Federal Ministry of Education and Research (BMBF) as part of the e:Bio program SEMS, FKZ 031 6194.

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