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Useless rules

Known as: Unproductive symbol, Unreachable symbol 
In theoretical computer science, in particular in the theory of formal languages, useless rules of a formal grammar are those rules of symbol… Expand
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Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2016
2016
Agricultural land is an important natural resource and the wealth of each country; in addition it is one of the main production… Expand
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2010
2010
Smart grids are characterized by the availability of distributed energy resources (DER), including power switching interfaces… Expand
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2009
2009
This article discusses approaches to researching the risk-problems of industrial societies. It examines why the risk… Expand
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2009
2009
Over the last decades, evolutionary algorithms (EA) have proven their applicability to hard and complex industrial optimization… Expand
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2009
2009
In the data mining research, mining association rules is an important topic. Apriori algorithm submitted by Agrawal and R… Expand
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2009
2009
“What is the use of history?” one might ask, when attempting to make sense of contemporary life. What answers might we find in… Expand
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Highly Cited
2008
Highly Cited
2008
Loans are a central component of college finance, yet research has generated a dearth of strong evidence of their effect on… Expand
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2008
2008
Deep space communications are an important research line in scientific community. The possibility of performing the communication… Expand
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2001
2001
A previous evaluation of scheduled region prefetching showed that this technique eliminates the bulk of main-memory stall time… Expand
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1992
1992
Abstract There are many different ways to prove that a training example is subsumed by a target concept. Each proof gives rise to… Expand
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