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SIGMOD
2009
ACM
137views Database» more  SIGMOD 2009»
16 years 6 months ago
Privacy preservation of aggregates in hidden databases: why and how?
Many websites provide form-like interfaces which allow users to execute search queries on the underlying hidden databases. In this paper, we explain the importance of protecting s...
Arjun Dasgupta, Nan Zhang, Gautam Das, Surajit Cha...
SIGMOD
2009
ACM
167views Database» more  SIGMOD 2009»
16 years 6 months ago
HDSampler: revealing data behind web form interfaces
A large number of online databases are hidden behind the web. Users to these systems can form queries through web forms to retrieve a small sample of the database. Sampling such h...
Anirban Maiti, Arjun Dasgupta, Nan Zhang, Gautam D...
SIGMOD
2007
ACM
112views Database» more  SIGMOD 2007»
16 years 6 months ago
A random walk approach to sampling hidden databases
A large part of the data on the World Wide Web is hidden behind form-like interfaces. These interfaces interact with a hidden backend database to provide answers to user queries. ...
Arjun Dasgupta, Gautam Das, Heikki Mannila
SIGMOD
2004
ACM
170views Database» more  SIGMOD 2004»
16 years 6 months ago
A Formal Analysis of Information Disclosure in Data Exchange
We perform a theoretical study of the following queryview security problem: given a view V to be published, does V logically disclose information about a confidential query S? The...
Gerome Miklau, Dan Suciu
EDBT
2006
ACM
191views Database» more  EDBT 2006»
16 years 6 months ago
Parallelizing Skyline Queries for Scalable Distribution
Skyline queries help users make intelligent decisions over complex data, where different and often conflicting criteria are considered. Current skyline computation methods are rest...
Ping Wu, Caijie Zhang, Ying Feng, Ben Y. Zhao, Div...
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