1. Public key encryption with keyword search;Boneh,2004
2. Identity-based encryption from the weil pairing;Boneh,2001
3. Searchable encryption revisited: Consistency properties, relation to anonymous ibe and extensions;Abdalla,2005
4. Public key encryption with conjunctive field keyword search;Park,2004
5. Public key encryption with conjunctive keyword search and its extension to a multi-user system;Hwang,2007