Fig. 2From: A framework for ontology-based question answering with application to parasite immunologyAn illustration of the flow of data in OntoNLQA emphasizing the operation performed on the data at each step. Dotted lines show the operation on the data. For example, lexical matching gives the ontology classes, properties and instances similar to the extracted entities. The direction of the arrows denotes the direction of flow of the dataBack to article page