Minh Bao, Tran, Truong Cong Tuan, and Huynh Trong Duc. 2016. “Querying Object-Oriented Databases Based on Signature Graph and N-Ary Tree”. EAI Endorsed Transactions on Context-Aware Systems and Applications 3 (7):e4. https://doi.org/10.4108/eai.12-2-2016.151087.