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A pattern is a string of constant and variable symbols. The language generated by a pattern π is the set of all strings of constant symbols which can be obtained from π by substituting non-empty strings for variables. We study the learnability of one-variable pattern languages in the limit with respect to the update time needed for computing a new single… (More)

Consider the problem of nding a minimum length schedule for n unit execution time tasks on m processors with tree-like precedence constraints. A sequential algorithm can solve this problem in linear time. The fastest known parallel algorithm needs O(log n) time using n 2 processors. For the case m = 2 we present two work optimal parallel algorithms that… (More)

A pattern is a nite string of constant and variable symbols. The language generated by a pattern is the set of all strings of constant symbols which can be obtained from the pattern by substituting non-empty strings for variables. Descriptive patterns are a key concept for inductive inference of pattern languages. A pattern is descriptive for a given sample… (More)

- Hans Stadtherr
- J. Parallel Distrib. Comput.
- 2004

- Hans Stadtherr
- 1998

A pattern is a nite string of constant and variable symbols. The language generated by a pattern is the set of all strings of constant symbols which can be obtained from the pattern by substituting non-empty strings for variables. Descriptive patterns are a key concept for inductive inference of pattern languages. A pattern is descriptive for a given sample… (More)

A pattern is a nite string of constant and variable symbols. The language generated by a pattern is the set of all strings of constant symbols which can be obtained from the pattern by substituting non-empty strings for variables. Descriptive patterns are a key concept for inductive inference of pattern languages. A pattern is descriptive for a given sample… (More)

- Ernst W. Mayr, Hans Stadtherr
- Euro-Par, Vol. II
- 1996

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