Dr. Madalli's interest is in the area of Knowledge Organization and application of facetization in Information Systems, Information Infrastructures, Digital Libraries, Semantic Web technologies, Faceted Ontologies, Content Management System, multilingual information services and e-learning. She served as a member of the evaluation committee of UNFAO statistical database and information services, FAOSTAT. She is a member of the Karnataka Evaluation Authority. She contributed to UNESCO's Global Open Access Portal (GOAP). She is on the advisory board of Universal Decimal Classification and also a member of the G8+05 Data infrastructures working group. She is co-chair of the interest group on Agricultural Data at the Research Data Alliance.