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INFOCOM
2012
IEEE
13 years 9 months ago
Combinatorial auction with time-frequency flexibility in cognitive radio networks
—In this paper, we tackle the spectrum allocation problem in cognitive radio (CR) networks with time-frequency flexibility consideration using combinatorial auction. Different f...
Mo Dong, Gaofei Sun, Xinbing Wang, Qian Zhang
CORR
2008
Springer
141views Education» more  CORR 2008»
15 years 7 months ago
Truthful Unsplittable Flow for Large Capacity Networks
The unsplittable flow problem is one of the most extensively studied optimization problems in the field of networking. An instance of it consists of an edge capacitated graph and ...
Yossi Azar, Iftah Gamzu, Shai Gutner
SIGMOD
2008
ACM
96views Database» more  SIGMOD 2008»
16 years 7 months ago
OLAP on sequence data
Many kinds of real-life data exhibit logical ordering among their data items and are thus sequential in nature. However, traditional online analytical processing (OLAP) systems an...
Eric Lo, Ben Kao, Wai-Shing Ho, Sau Dan Lee, Chun ...
JCDL
2009
ACM
162views Education» more  JCDL 2009»
16 years 1 months ago
No bull, no spin: a comparison of tags with other forms of user metadata
User-contributed tags have shown promise as a means of indexing multimedia collections by harnessing the combined efforts and enthusiasm of online communities. But tags are only o...
Catherine C. Marshall
KCAP
2005
ACM
16 years 12 days ago
Collecting paraphrase corpora from volunteer contributors
Extensive and deep paraphrase corpora are important for a variety of natural language processing and user interaction tasks. In this paper, we present an approach which i) collect...
Timothy Chklovski