N. ZAHIRAJAHAN; M.LOGANATHAN. Enable Central Keyword Base Semantic Search using UserLevel Encryption Extension Model . International journal of intellectual advancements and research in engineering computations, [S. l.], v. 6, n. 2, p. 1483–1486, 2018. Disponível em: https://ijiarec.com/ijiarec/article/view/681. Acesso em: 4 may. 2024.