"Search by ontology" page, allowing to search workflows by their annotations. In this figure, the web page allowing for the "search by ontology" is shown. Columns include, from left to right, the application domain, the task, the input and the output. Multiple conditions that are set on each column are combined by OR, and conditions that are imposed on different columns are combined by AND. Results of the search are displayed in the lower part of the same page and include both workflows and single steps.