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» Parameterized Algorithms for Directed Maximum Leaf Problems
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STOC
2004
ACM
131views Algorithms» more  STOC 2004»
15 years 9 months ago
(Almost) tight bounds and existence theorems for confluent flows
A flow is said to be confluent if at any node all the flow leaves along a single edge. Given a directed graph G with k sinks and non-negative demands on all the nodes of G, we con...
Jiangzhuo Chen, Robert D. Kleinberg, Lászl&...
78
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ACL
2003
14 years 11 months ago
Minimum Error Rate Training in Statistical Machine Translation
Often, the training procedure for statistical machine translation models is based on maximum likelihood or related criteria. A general problem of this approach is that there is on...
Franz Josef Och
84
Voted
CORR
2008
Springer
117views Education» more  CORR 2008»
14 years 8 months ago
Complexity of Decoding Positive-Rate Reed-Solomon Codes
Abstract. The complexity of maximum likelihood decoding of the ReedSolomon codes [q -1, k]q is a well known open problem. The only known result [4] in this direction states that it...
Qi Cheng, Daqing Wan
COLING
2010
14 years 4 months ago
Opinion Summarization with Integer Linear Programming Formulation for Sentence Extraction and Ordering
In this paper we propose a novel algorithm for opinion summarization that takes account of content and coherence, simultaneously. We consider a summary as a sequence of sentences ...
Hitoshi Nishikawa, Takaaki Hasegawa, Yoshihiro Mat...
ICDCN
2009
Springer
15 years 2 months ago
Optimizing Multi-hop Queries in ZigBee Based Multi-sink Sensor Networks
Wireless sensor networks with multiple users collecting data directly from the sensors have many potential applications. An important problem is to allocate for each user a query r...
Bing Han, Gwendal Simon