Axita Shah Jyoti Pareek Hemal Patel Namrata Panchal NLKBIDB - Natural language and keyword based interface to database. 1569-1576 2013 ICACCI https://doi.org/10.1109/ICACCI.2013.6637414 conf/icacci/2013 db/conf/icacci/icacci2013.html#ShahPPP13