Graph Encryption: Going Beyond Encrypted Keyword Search

Outsourced Bits


graph2This is a guest post by Xianrui Meng from Boston University about a paper he presented at CCS 2015, written in collaboration with Kobbi Nissim, George Kollios and myself. Note that Xianrui is on the job market.

Encrypted search has attracted a lot of attention from practitioners and researchers in academia and industry. In previous posts, Seny already described different ways one can search on encrypted data. Here, I would like to discuss search on encrypted graph databases which are gaining a lot of popularity.

1. Graph Databases and Graph Privacy

As today’s data is getting bigger and bigger, traditional relational database management systems (RDBMS) cannot scale to the massive amounts of data generated by end users and organizations. In addition, RDBMSs cannot effectively capture certain data relationships; for example in object-oriented data structures which are used in many applications. Today, NoSQL (Not Only SQL) has emerged as a good…

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