653 search results - page 74 / 131 » Database Privacy |
138
Voted
PKC
2009
Springer
16 years 3 months ago
2009
Springer
In this work, we consider the task of allowing a content provider to enforce complex access control policies on oblivious protocols conducted with anonymous users. As our primary ...
123
Voted
ACISP
2004
Springer
15 years 8 months ago
2004
Springer
In this paper, we study the problem of single database private information retrieval, and present schemes with only logarithmic server-side communication complexity. Previously th...
143
Voted
SIGMOD
2012
ACM
13 years 5 months ago
2012
ACM
The rise of smartphones equipped with various sensors has enabled personalization of various applications based on user contexts extracted from sensor readings. At the same time i...
125
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GIS
2009
ACM
15 years 15 days ago
2009
ACM
We propose a location-based query anonymization technique, LBS (k,T)-anonymization, that ensures anonymity of user's query in a specific time window against what we call know...
149
Voted
CCS
2008
ACM
15 years 4 months ago
2008
ACM
We propose an approach for the selective enforcement of access control restrictions in, possibly distributed, large data collections based on two basic concepts: i) flexible autho...