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» On the Complexity of Hardness Amplification
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STOC
1994
ACM
123views Algorithms» more  STOC 1994»
14 years 1 months ago
Natural proofs
Razborov and Rudich have shown that so-called natural proofs are not useful for separating P from NP unless hard pseudorandomnumber generators do not exist. This famous result is ...
Alexander A. Razborov, Steven Rudich
AAAI
2007
13 years 11 months ago
Uncertainty in Preference Elicitation and Aggregation
Uncertainty arises in preference aggregation in several ways. There may, for example, be uncertainty in the votes or the voting rule. Such uncertainty can introduce computational ...
Toby Walsh
ACL
2006
13 years 10 months ago
Soft Syntactic Constraints for Word Alignment through Discriminative Training
Word alignment methods can gain valuable guidance by ensuring that their alignments maintain cohesion with respect to the phrases specified by a monolingual dependency tree. Howev...
Colin Cherry, Dekang Lin
ANLP
2000
81views more  ANLP 2000»
13 years 10 months ago
Experimenting with the Interaction between Aggregation and Text Structuring
In natural language generation, different generation tasks often interact with each other in a complex way, which is hard to capture in the pipeline architecture described by Reit...
Hua Cheng
FSTTCS
2008
Springer
13 years 10 months ago
3-connected Planar Graph Isomorphism is in Log-space
We consider the isomorphism and canonization problem for 3-connected planar graphs. The problem was known to be L -hard and in UL ∩ coUL [TW08]. In this paper, we give a determin...
Samir Datta, Nutan Limaye, Prajakta Nimbhorkar