WANG, J. .; ZHANG, X. .; ZHU, Y. . RETRACTED: A multi-keyword parallel ciphertext retrieval scheme based on inverted index under the robot Distributed system [EAI Endorsed Scal Inf Syst (2022), Online First]. EAI Endorsed Transactions on Scalable Information Systems, [S. l.], v. 9, n. 36, p. e18, 2022. DOI: 10.4108/eai.8-4-2022.173798. Disponível em: https://publications.eai.eu/index.php/sis/article/view/582. Acesso em: 18 may. 2024.