Ontology represents relationships among set of terms and concepts in hierarchical fashion. Ontology plays crucialrole in formulization of information related to given domain. Understanding these ontologies without havingsufficient knowledge of ontology editors is like working on project without knowing its requirements. Traditionaltext mining methods and aero-text systems for extracting key phrases have been used but it needs to be improved tosupport large scale ontology constitution for real world applications. An sufficient amount of documents present onweb puts the users in state of...