Variant search and syntactic tree similarity based approach to retrieve matching questions for SMS queries. - Akhil Langer; Rohit Banga; Ankush Mittal; L. Venkata Subramaniam (AND, 2010)

A text based drug query system for mobile phones. - Akhil Langer; Rohit Banga; Ankush Mittal; L. Venkata Subramaniam; Parikshit Sondhi (Int. J. Mob. Commun., 2014)