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Saruladha, K.; Aghila, G.; Penchala, S.K.: Design of new indexing techniques based on ontology for information retrieval systems (2010)
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Jiang, X.; Tan, A.-H.: CRCTOL: a semantic-based domain ontology learning system (2009)
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Kiren, T.: ¬A clustering based indexing technique of modularized ontologies for information retrieval (2017)
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