Abstract
Due to emerging technologies like Clouds, recently the problem of encrypting and querying big data is of great interest trough the community. Here, the main problem consists in devising effective and efficient encryption schemes for big data, and then effective and efficient query algorithms for querying such data in their encrypted form directly. By comparing both lines of research, it emerges that querying encrypted big data plays the major role, as the encryption phase is usually conducted on top of well-recognized state-of-the-art encryption schemes. On the other hand, OLAP data are a knowledge-rich class of big data that are extremely important for latest big data analytics tools. Inspired by these two authoritative research trends, in this paper we provide the following contributions: (i) an overview of most relevant initiatives in the scientific field of querying encrypted OLAP data; (ii) critical discussion on open issues and research challenges that will dominate the future scene of the investigated research topic.
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Cuzzocrea, A. (2018). Effectively and Efficiently Supporting Encrypted OLAP Queries over Big Data: Models, Issues, Challenges. In: Lee, W., Choi, W., Jung, S., Song, M. (eds) Proceedings of the 7th International Conference on Emerging Databases. Lecture Notes in Electrical Engineering, vol 461. Springer, Singapore. https://doi.org/10.1007/978-981-10-6520-0_36
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