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CCS
2011
ACM
12 years 6 months ago
Practical PIR for electronic commerce
We extend Goldberg’s multi-server information-theoretic private information retrieval (PIR) with a suite of protocols for privacypreserving e-commerce. Our first protocol adds ...
Ryan Henry, Femi G. Olumofin, Ian Goldberg
WWW
2002
ACM
14 years 7 months ago
Clustering for opportunistic communication
We describe ongoing work on I2I, a system aimed at fostering opportunistic communication among users viewing or manipulating content on the Web and in productivity applications. U...
Jay Budzik, Shannon Bradshaw, Xiaobin Fu, Kristian...
MIR
2010
ACM
224views Multimedia» more  MIR 2010»
14 years 1 months ago
Digimatge, a rich internet application for video retrieval from a multimedia asset management system
This paper describes the integration of two new services aimed at assisting into the retrieval of video content from a Multimedia Asset Manager (MAM). The first tool suggest tags...
Xavier Giro i Nieto, Ramon Salla, Xavier Vives
STOC
2007
ACM
179views Algorithms» more  STOC 2007»
14 years 7 months ago
Towards 3-query locally decodable codes of subexponential length
A q-query Locally Decodable Code (LDC) encodes an n-bit message x as an N-bit codeword C(x), such that one can probabilistically recover any bit xi of the message by querying only...
Sergey Yekhanin
GROUP
1999
ACM
13 years 11 months ago
Supporting the shared care of diabetic patients
This paper reports on a study of clinicians who care for diabetic patients, and on the design of an application to support their work. The clinicians' long-term activity is r...
Tim Kindberg, Nick Bryan-Kinns, Ranjit Makwana