1. Aho, A.V., Hopcroft, J.E., Ullman, J.: Data Structures and Algorithms, 1st edn. Addison-Wesley Longman Publishing Co., Inc., Boston (1983)
2. Amazon: Amazon neptune (2021). https://aws.amazon.com/neptune/. Accessed 27 Oct 2021
3. Ambavi, H., Sharma, M., Gohil, V.: Densest-subgraph-discovery (2020). https://github.com/varungohil/Densest-Subgraph-Discovery
4. Cash, D., et al.: Dynamic searchable encryption in very-large databases: data structures and implementation. In: 21st Annual Network and Distributed System Security Symposium, NDSS 2014, San Diego, California, USA, 23–26 February 2014. The Internet Society (2014). https://doi.org/10.14722/ndss.2014.23264
5. Lecture Notes in Computer Science;M Charikar,2000