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» Generation Gaps Revisited
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ISAAC
2005
Springer
109views Algorithms» more  ISAAC 2005»
15 years 5 months ago
Recursion Theoretic Operators for Function Complexity Classes
We characterize the gap between time and space complexity of functions by operators and completeness. First, we introduce a new notion of operators for function complexity classes ...
Kenya Ueno
KGC
1997
Springer
15 years 4 months ago
Looking for an Analogue of Rice's Theorem in Circuit Complexity Theory
Rice’s Theorem says that every nontrivial semantic property of programs is undecidable. In this spirit we show the following: Every nontrivial absolute (gap, relative) counting p...
Bernd Borchert, Frank Stephan
IJCAI
2007
15 years 1 months ago
A Cortex-Inspired Neural-Symbolic Network for Knowledge Representation
Semantic systems for the representation of declarative knowledge are usually unconnected to neurobiological mechanisms in the brain. In this paper we report on efforts to bridge t...
Florian Röhrbein, Julian Eggert, Edgar Kö...
SIGMOD
2008
ACM
111views Database» more  SIGMOD 2008»
15 years 12 months ago
Discovering bucket orders from full rankings
Discovering a bucket order B from a collection of possibly noisy full rankings is a fundamental problem that relates to various applications involving rankings. Informally, a buck...
Jianlin Feng, Qiong Fang, Wilfred Ng
ALMOB
2007
151views more  ALMOB 2007»
14 years 12 months ago
Local sequence alignments statistics: deviations from Gumbel statistics in the rare-event tail
Background: The optimal score for ungapped local alignments of infinitely long random sequences is known to follow a Gumbel extreme value distribution. Less is known about the imp...
Stefan Wolfsheimer, Bernd Burghardt, Alexander K. ...