User-centered design of a web-based crowdsourcing-integrated semantic text annotation tool for building a mental health knowledge base

Xing He, Hansi Zhang, Jiang Bian

Abstract: Highlights•User-centered deisgn of a web-based semantic text annotation tool.•Annotation tool to facilitate the curation of semantic web knowledge bases.•Well-organized, informative annotation guideline is as crucial as the tool.•Crowdsourcing task should consist of multiple simple microtasks.