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» Leveraging COUNT Information in Sampling Hidden Databases
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ICDE
2010
IEEE
212views Database» more  ICDE 2010»
13 years 5 months ago
Cleansing uncertain databases leveraging aggregate constraints
— Emerging uncertain database applications often involve the cleansing (conditioning) of uncertain databases using additional information as new evidence for reducing the uncerta...
Haiquan Chen, Wei-Shinn Ku, Haixun Wang
SIGMOD
2009
ACM
137views Database» more  SIGMOD 2009»
14 years 5 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...
WEBDB
2005
Springer
129views Database» more  WEBDB 2005»
13 years 11 months ago
Searching for Hidden-Web Databases
Recently, there has been increased interest in the retrieval and integration of hidden Web data with a view to leverage high-quality information available in online databases. Alt...
Luciano Barbosa, Juliana Freire
PVLDB
2008
144views more  PVLDB 2008»
13 years 5 months ago
Mining search engine query logs via suggestion sampling
Many search engines and other web applications suggest auto-completions as the user types in a query. The suggestions are generated from hidden underlying databases, such as query...
Ziv Bar-Yossef, Maxim Gurevich
SIGMOD
2010
ACM
207views Database» more  SIGMOD 2010»
13 years 5 months ago
Leveraging spatio-temporal redundancy for RFID data cleansing
Radio Frequency Identification (RFID) technologies are used in many applications for data collection. However, raw RFID readings are usually of low quality and may contain many an...
Haiquan Chen, Wei-Shinn Ku, Haixun Wang, Min-Te Su...