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ICASSP
2011
IEEE
12 years 11 months ago
How many known symbols are required for linear channel estimation in OFDM?
Training sequences for estimation of channel parameters have been well designed under the condition that the number of the unknown channel parameters is not greater than the numbe...
Shuichi Ohno, Emmanuel Manasseh, Masayoshi Nakamot...
ICML
2010
IEEE
13 years 5 months ago
Mining Clustering Dimensions
Many real-world datasets can be clustered along multiple dimensions. For example, text documents can be clustered not only by topic, but also by the author's gender or sentim...
Sajib Dasgupta, Vincent Ng
IAT
2009
IEEE
14 years 2 months ago
Extending Alternating-Offers Bargaining in One-to-Many and Many-to-Many Settings
Automating negotiations in markets where multiple buyers and sellers operate is a scientific challenge of extraordinary importance. One-to-one negotiations are classically studie...
Bo An, Nicola Gatti, Victor R. Lesser
EMNLP
2010
13 years 5 months ago
Two Decades of Unsupervised POS Induction: How Far Have We Come?
Part-of-speech (POS) induction is one of the most popular tasks in research on unsupervised NLP. Many different methods have been proposed, yet comparisons are difficult to make s...
Christos Christodoulopoulos, Sharon Goldwater, Mar...
UAI
2008
13 years 9 months ago
Learning and Solving Many-Player Games through a Cluster-Based Representation
In addressing the challenge of exponential scaling with the number of agents we adopt a cluster-based representation to approximately solve asymmetric games of very many players. ...
Sevan G. Ficici, David C. Parkes, Avi Pfeffer