Perl 6 - the future is here, just unevenly distributed

IRC log for #marpa, 2016-03-27

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Time Nick Message
00:52 idiosyncrat_ joined #marpa
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01:48 Topic for #marpa is now Start here: http://savage.net.au/Marpa.html - Pastebin: http://scsys.co.uk:8002/marpa - Jeffrey's Marpa site: http://jeffreykegler.github.io/Marpa-web-site/ - IRC log: http://irclog.perlgeek.de/marpa/today
02:32 ronsavage joined #marpa
04:38 ronsavage NLP visualization: http://nlpviz.bpodgursky.com/home
04:39 ronsavage Found via https://github.com/mbostock/d3/wiki/Gallery
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10:17 pczarn Stanford CS143 "07: Advanced Parsing" is interesting
10:17 pczarn here: http://web.stanford.edu/class​/archive/cs/cs143/cs143.1128/
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12:00 VsyachePuz pczarn: нуы
12:00 VsyachePuz pczarn: yes
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17:34 pczarn ronsavage: I wish that visualization had a 3D view of the parse forest, and a mutable grammar
17:49 idiosyncrat_ re http://irclog.perlgeek.de/m​arpa/2016-03-27#i_12244532
17:50 idiosyncrat_ pczarn: thanks!
17:50 idiosyncrat_ Has anyone had a chance to read through the handouts?  Is Earley's even mentioned?
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22:09 ronsavage Testing the logbot.
22:09 ronsavage pczarn: Re http://irclog.perlgeek.de/m​arpa/2016-03-27#i_12245318. I take it you mean use the 3rd dimension to represent ambiguousness? Hmmm. Yes. That would be nice....
22:09 ronsavage JK: Earley is mentioned in Lecture 07: Advanced Parsing.
22:09 ronsavage But on the 2nd last page it says: "Many research papers discuss how to speed up Earley parsers; many are quite good." Hardly revolutionary, is it?
22:09 ronsavage Sigh: See also p 5 of Handout 15: Miscellaneous Parsing. I wonder if these are ancient handouts.
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22:22 idiosyncrat_ ronsavage: thanks
22:23 idiosyncrat_ re http://irclog.perlgeek.de/m​arpa/2016-03-27#i_12245883
22:23 idiosyncrat_ Well, there's not much, but it is very positive.  Much better than I feared.
22:26 idiosyncrat_ ronsavage: re http://irclog.perlgeek.de/m​arpa/2016-03-27#i_12245885
22:26 idiosyncrat_ "Sigh" is exactly the right word.  :-)
22:27 idiosyncrat_ Note the standard trope whereby the user's problems are *not* with the parser, but with them writing the wrong grammar.
22:28 idiosyncrat_ One of the "wrong" grammars, of course, it that used by Parus major, a bird with a brain half the size of a peanut.
22:28 idiosyncrat_ s/it that used/is that used/
22:30 idiosyncrat_ ronsavage: re http://irclog.perlgeek.de/m​arpa/2016-03-27#i_12245885
22:31 idiosyncrat_ My guess is that these handouts are "up to date".  Theoreticians are heavily biased in favor of LR because it *is* a real mathmatical parsing technique ...
22:31 idiosyncrat_ as opposed to LL which is a fancy name for "guess and hack".
22:32 idiosyncrat_ Nonetheless they give LL equal time, and if you read between the lines you'll see the concession that despite all the talk about LR, ...
22:32 idiosyncrat_ LL is what you're going to wind up using.
22:32 idiosyncrat_ This emphasis is quite "modern".
22:33 idiosyncrat_ I suspect some professors out there are simply recycling their 30 year-old handouts, but I don't believe that's the case here.
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