Minimal Parsing Key Concept Based Question Answering System. - Sunil Kumar Kopparapu; Akhilesh Srivastava; P. V. S. Rao (HCI (3), 2007)

SMS based natural language interface to yellow pages directory. - Sunil Kumar Kopparapu; Akhilesh Srivastava; Arun Pande (Mobility Conference, 2007)

A Metric to Classify Style of Spoken Speech. - Sunil Kumar Kopparapu; Saurabh Bhatnagar; K. Sahana; Sathyanarayana; Akhilesh Srivastava; P. V. S. Rao (CoRR, 2015)

Knowledge driven Offline to Online Script Conversion. - Sunil Kumar Kopparapu; Devanuj; Akhilesh Srivastava; P. V. S. Rao (CoRR, 2015)