Fri, 24 Aug 2007 16:27:24 -0400

Related articles |
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Commonality in subset construction and LR set of items construction al cfc@shell01.TheWorld.com (Chris F Clark) (2007-08-24) |

Re: Commonality in subset construction and LR set of items constructio anton@mips.complang.tuwien.ac.at (2007-08-25) |

Re: Commonality in subset construction and LR set of items constructio schmitz@i3s.unice.fr (Sylvain Schmitz) (2007-08-25) |

Re: Commonality in subset construction and LR set of items constructio DrDiettrich1@aol.com (Hans-Peter Diettrich) (2007-08-26) |

Re: Commonality in subset construction and LR set of items constructio torbenm@app-6.diku.dk (2007-08-27) |

From: | Chris F Clark <cfc@shell01.TheWorld.com> |

Newsgroups: | comp.compilers,comp.theory |

Date: | Fri, 24 Aug 2007 16:27:24 -0400 |

Organization: | The World Public Access UNIX, Brookline, MA |

Keywords: | parse, theory, question |

Posted-Date: | 25 Aug 2007 10:38:03 EDT |

Recently the similarities between the subset construction algorithm to

transform an NFA into a DFA and the LR set of items construction

algorithm have been repeatedly thrust upon me, so much so that I have

a hard time as seeing them as anything but one algorithm.

Is this similarity a well known fact that I just somehow didn't learn

or forgot? Do the algorithms share some common root? In fact, is

there a common basic algorithm underlying both of these algorithms

that unifies them (and perhaps a bunch of other algorithms that I'm

not even aware of)? If so, what is that algorithm called and what are

some other examples of its application?

If this is something that I should know, please correct my deficiency

now....

Thanks,

-Chris

*****************************************************************************

Chris Clark Internet : compres@world.std.com

Compiler Resources, Inc. Web Site : http://world.std.com/~compres

23 Bailey Rd voice : (508) 435-5016

Berlin, MA 01503 USA fax : (978) 838-0263 (24 hours)

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