Why not simply Google?

Journal article

We demonstrate an ontology-based visual query system, namely OptiqueVQS, for end users without any technical background to formulate rather complex information needs into formal queries over databases. It is built on multiple and coordinated representation and interaction paradigms and a flexible widget-based architecture.

Authors: Soylu, A; Giese, M; Ruiz, E; Kharlamov, E; Zheleznyakov, D

• Publication status: Published
• Peer review status: Peer reviewed
• Publisher: Association for Computing Machinery
• Journal: NordiCHI '14 Proceedings of the 8th Nordic Conference on Human-Computer Interaction: Fun, Fast, Foundational
• Pages: 1039-1042
• Publication date: 2014-01-01
• DOI: 10.1145/2639189.2670270
• Language: English
• Keywords: human factors; design; visual programming; hypermedia; user interfaces; hypertext
• Subjects: User interfaces (Computer systems); Visual programming (Computer science)