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SIGIR
2011
ACM
13 years 1 months ago
Functional matrix factorizations for cold-start recommendation
A key challenge in recommender system research is how to effectively profile new users, a problem generally known as cold-start recommendation. Recently the idea of progressivel...
Ke Zhou, Shuang-Hong Yang, Hongyuan Zha
MOBIHOC
2010
ACM
13 years 8 months ago
Barrier coverage with sensors of limited mobility
Barrier coverage is a critical issue in wireless sensor networks for various battlefield and homeland security applications. The goal is to effectively detect intruders that attem...
Anwar Saipulla, Benyuan Liu, Guoliang Xing, Xinwen...
PVLDB
2008
128views more  PVLDB 2008»
13 years 9 months ago
Hexastore: sextuple indexing for semantic web data management
Despite the intense interest towards realizing the Semantic Web vision, most existing RDF data management schemes are constrained in terms of efficiency and scalability. Still, th...
Cathrin Weiss, Panagiotis Karras, Abraham Bernstei...
FOCS
2008
IEEE
14 years 4 months ago
Leakage-Resilient Cryptography
We construct a stream-cipher SC whose implementation is secure even if a bounded amount of arbitrary (adaptively, adversarially chosen) information about the internal state of SC ...
Stefan Dziembowski, Krzysztof Pietrzak
AINA
2007
IEEE
14 years 4 months ago
A Distributed and Dynamic Data Gathering Protocol for Sensor Networks
In this paper we propose a distributed, self organizing, robust and energy efficient data gathering algorithm for sensor networks operating in environments where all the sensor n...
Hüseyin Özgür Tan, Ibrahim Korpeogl...