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WABI
2010
Springer
168views Bioinformatics» more  WABI 2010»
15 years 5 months ago
The Complexity of Inferring a Minimally Resolved Phylogenetic Supertree
Abstract. A recursive algorithm by Aho, Sagiv, Szymanski, and Ullman [1] forms the basis for many modern rooted supertree methods employed in Phylogenetics. However, as observed by...
Jesper Jansson, Richard S. Lemence, Andrzej Lingas
WAIM
2010
Springer
15 years 5 months ago
Efficient Continuous Top-k Keyword Search in Relational Databases
Keyword search in relational databases has been widely studied in recent years. Most of the previous studies focus on how to answer an instant keyword query. In this paper, we focu...
Yanwei Xu, Yoshiharu Ishikawa, Jihong Guan
WICON
2010
15 years 5 months ago
Optimized Content Caching and Request Capture in CNF Networks
In order to meet the overwhelming demands of content retrieval for mobile end users, a novel architecture for the next-generation Internet called Cache-and-Forward (CNF) has been p...
Lijun Dong, Dan Zhang, Yanyong Zhang, Dipankar Ray...
ACL
2009
15 years 5 months ago
Stochastic Gradient Descent Training for L1-regularized Log-linear Models with Cumulative Penalty
Stochastic gradient descent (SGD) uses approximate gradients estimated from subsets of the training data and updates the parameters in an online fashion. This learning framework i...
Yoshimasa Tsuruoka, Jun-ichi Tsujii, Sophia Anania...
ACL
2009
15 years 5 months ago
Quadratic-Time Dependency Parsing for Machine Translation
Efficiency is a prime concern in syntactic MT decoding, yet significant developments in statistical parsing with respect to asymptotic efficiency haven't yet been explored in...
Michel Galley, Christopher D. Manning
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