EAN: 9783031007590

SYNTHESIS LECTURES ON DATA MANAGEMENT QUERY A...

In data publishing  the owner delegates the role of satisfying user queries to a third-party
publisher. As the servers of the publisher may be untrusted or susceptible to attacks  we
cannot assume that they would always process queries correctly  hence there is a need for users
to authenticate their query answers. This book introduces various notions that the research
community has studied for defining the correctness of a query answer. In particular  it is
important to guarantee the completeness  authenticity and minimality of the answer  as well as
its freshness. We present authentication mechanisms for a wide variety of queries in the
context of relational and spatial databases  text retrieval  and data streams. We also explain
the cryptographic protocols from which the authentication mechanisms derive their security
properties. Table of Contents: Introduction   Cryptography Foundation   Relational Queries  
Spatial Queries   Text Search Queries   Data Streams   Conclusion

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