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146
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SIGIR
2012
ACM
13 years 4 months ago
Optimizing positional index structures for versioned document collections
Versioned document collections are collections that contain multiple versions of each document. Important examples are Web archives, Wikipedia and other wikis, or source code and ...
Jinru He, Torsten Suel
SIGIR
2012
ACM
13 years 4 months ago
To index or not to index: time-space trade-offs in search engines with positional ranking functions
Positional ranking functions, widely used in web search engines, improve result quality by exploiting the positions of the query terms within documents. However, it is well known ...
Diego Arroyuelo, Senén González, Mau...
129
Voted
CCS
2011
ACM
14 years 1 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
ICSOC
2004
Springer
15 years 7 months ago
Hot service deployment in an ad hoc grid environment
In this paper, we present a solution to the problem of dynamically deploying grid service factories onto computing nodes running an implementation of the Open Grid Services Infras...
Thomas Friese, Matthew Smith, Bernd Freisleben
WWW
2002
ACM
16 years 2 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...