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Transcript of Organization Challenges for Building Biomedical Ontologies Talk by Jennifer Clark, Slides by Michael...
![Page 1: Organization Challenges for Building Biomedical Ontologies Talk by Jennifer Clark, Slides by Michael Ashburner and Suzanna Lewis .](https://reader035.fdocuments.net/reader035/viewer/2022062423/5697bfbc1a28abf838ca1b84/html5/thumbnails/1.jpg)
Organization Challenges for Building Biomedical Ontologies
Talk by Jennifer Clark,
Slides by Michael Ashburner
and Suzanna Lewis
http://obo.sourceforge.net
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Due diligence & background research
• Step 1: Learn what is out there– The most comprehensive list is on the OBO
site. http://obo.sourceforge.net
• Assess ontologies critically and realistically.
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Evaluating ontologies
• What domain does it cover?
• Is it active?
• Is it applied?
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Ontologies must be shared
• Proprietary ontologies– Belief that ownership of the terminology gives
the owners a competitive edge– For example, Incyte or Monsanto in the past
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Pragmatic assessment of an ontology
• Is there access to help, e.g.:[email protected] ?
• Does a warm body answer help mail within a ‘reasonable’ time—say 2 working days ?
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Where the rubber meets the road
• Annotated data?
• Publication of research that has used the ontology?
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Work with that community
• To improve (if you found one)
• To develop (if you did not)
• How?
Improve
Collaborate and Learn
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A little sociology
Experience from building the GO
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Community vs. Committee ?
• Members of a committee represent themselves. – Committees design camels
• Members of a community represent their community. – Communities design race horses
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Design for purpose - not in abstract
• Who will use it?– If no one is interested, then go back to bed
• What will they use it for?– Define the domain
• Who will maintain it?– Be pragmatic and modest
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Start with a concrete proposal —not a blank slate.
• But do not commit your ego to it.
• Distribute to a small group you respect:– With a shared commitment.
– With broad domain knowledge.
– Who will engage in vigorous debate without engaging their egos (or, at least not too much).
– Who will do concrete work.
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Step 1:
• Alpha0: the first proposal - broad in breadth but shallow in depth. By one person with broad domain knowledge.– Distribute to a small group (<6).– Get together for two days and engage in vigorous
discussion. Be open and frank. Argue, but do not be dogmatic.
• Reiterate over a period of months. Do as much as possible face-to-face, rather than by phone/email. Meet for 2 days every 3 months or so.
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Step 2:
• Distribute Alpha1 to your group.• All now test this Alpha1 in real life.• Do not worry that (at this stage) you do not have
tools - hack it.
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<oocyte development ; GO:0048599 <oocyte construction ; GO:0007308 <oocyte axis determination ; GO:0007309 <oocyte anterior/posterior axis determination ; GO:0007314 %oocyte anterior/posterior axis determination (sensu <bicoid mRNA localization ; GO:0045450 <regulation of bicoid mRNA localization ; GO:0008359 %negative regulation of bicoid mRNA localization ; %positive regulation of bicoid mRNA localization ;
GO flat file format
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Step 3:
• Reconvene as a group for two days.
• Share experiences from implementation:– Can your Alpha1 be implemented in a useful
way ?– What are the conceptual problems ?– What are the structural problems ?
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Step 4:
• Establish a mechanism for change.– Use CVS or Subversion.– Limit the number of editors with write
permission (ideally to one person).
• Release a Beta1.
• Seriously implement Beta1 in real life.
• Build the ontology in depth.
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Step 5:
• After about 6 months reconvene and evaluate.
• Is the ontology suited to its purpose ?
• Is it, in practice, usable ?
• Are we happy about its broad structure and content ?
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Step 6:
• Go public.– Release ontology to community.– Release the products of its instantiation.– Invite broad community input and establish a
mechanism for this (e.g. SourceForge).
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Step 7:
• Proselytize.– Publish in a high profile journal.– Engage new user groups.
• Emphasize openness.
• Write a grant.
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The Jackson Labs, Bar Harbor, Maine, Oct 8, 1999
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Lawrence Berkeley National Laboratory, November 5, 2000
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The Jackson Labs, Bar Harbor, Maine, July 15, 2001
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Cold Spring Harbor Laboratory, New York, May 13, 2002
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The Institute for Genomic Research, Rockville, MD, June 3, 2003
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Atlantic Oaks, Bar Harbor, Maine, September 26, 2003
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Arrillaga Alumni Center, Stanford University, California, January 17, 2004
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Stanford University, Palo Alto, California, USA, June 1-4, 2005
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Step 8:
Have fun!
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Contributors
FlyBase Rat Genome Database DictyBase WormBase GeneDB S. pombe CompugenMouse Genome Database GeneDB for protozoa Genome Knowledge Base EBI GOA project TIGR Gramene The Arabidopsis Information ResourceThe Zebrafish Information Network Berkeley Drosophila Genome ProjectSaccharomyces Genome DatabaseThe Institute for Genomic ResearchThe GO Editorial Office