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BEL (Biological Expression Language) statement like abundance(CHEBI:"hydrogen peroxide") -> biologicalProcess(GO:"apoptotic process") are hard to write if you don't know (1) what values the abundance and biologicalProcess functions accept or (2) you don't the names of the values in the ChEBI (Chemicals of Biological Interest) or GO (Gene Ontology) namespaces.  A web editor that provided suggestions based on namespaces, function semantics, and relationship semantics would improve the knowledge curation process.

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BEL (Biological Expression Language)

OpenBEL on GitHub


A web application that provides suggestions and auto-complete behaviour as you write BEL statements.


Web development/JavaScript, User Interface, User Experience


Nick Bargnesi (email:

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