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» Improving the Robustness of Private Information Retrieval
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SIGIR
2010
ACM
13 years 11 months ago
Short text classification in twitter to improve information filtering
In microblogging services such as Twitter, the users may become overwhelmed by the raw data. One solution to this problem is the classification of short text messages. As short te...
Bharath Sriram, Dave Fuhry, Engin Demir, Hakan Fer...
EDBT
2012
ACM
225views Database» more  EDBT 2012»
11 years 10 months ago
Differentially private search log sanitization with optimal output utility
Web search logs contain extremely sensitive data, as evidenced by the recent AOL incident. However, storing and analyzing search logs can be very useful for many purposes (i.e. in...
Yuan Hong, Jaideep Vaidya, Haibing Lu, Mingrui Wu
ISW
2004
Springer
14 years 28 days ago
A Hierarchical Key-Insulated Signature Scheme in the CA Trust Model
In key-insulated cryptography, there are many private keys with different indexes and a single, fixed public key. When the trust model includes multiple Certification Authoritie...
Zhengyi Le, Yi Ouyang, James Ford, Fillia Makedon
RIAO
2007
13 years 9 months ago
Multi-Modal Music Information Retrieval - Visualisation and Evaluation of Clusterings by Both Audio and Lyrics
Navigation in and access to the contents of digital audio archives have become increasingly important topics in Information Retrieval. Both private and commercial music collection...
Robert Neumayer, Andreas Rauber
TREC
2004
13 years 9 months ago
The Hong Kong Polytechnic University at the TREC 2004 Robust Track
In the robust track, we mainly tested our passage-based retrieval model with different passage sizes and weighting schemes. In our approach, we used two retrieval models, namely t...
D. Y. Wang, Robert Wing Pong Luk, Kam-Fai Wong