ParGram

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114 discussions

LFG/XLE grammar of French
by Leonel F. de Alencar 22 Sep '17

22 Sep '17

From: leonel.figueiredo.de.alencar(a)gmail.com Subject: computational grammar development Date: September 22, 2017 11:29:01 AM GMT-03:00 To: ce-pln(a)grupos.ufrgs.br Dear colleagues: Last year, Christoph Schwarze and I published the following introduction to the theory and formalism of Lexical-functional Grammar (LFG) and the development of computational grammars with the Xerox Linguistic Environment (XLE): Christoph Schwarze and Leonel F. de Alencar. 2016. Lexikalisch- funktionale Grammatik. Eine Einführung am Beispiel des Französischen mit computerlinguistischer Implementierung(Lexical-Functional Grammar: A French-based Introduction with Computational Implementation). Tübingen: Stauffenburg. X, 271 pp. Stauffenburg Einführungen, 30. ISBN 978-3-95809-411-6. http://lfg-book.blogspot.com.br/2016/01/new-lfg-books-cover.html?m=1 In eight chapters (lessons) the book explains the basic theoretical concepts of the theory using French examples and incrementally implements a middle-sized grammar of French in XLE. Each chapter describes a runnable grammar fragment with the respective positive and negative test files. A fragment of French verb morphology is also handled in chapter 7 by means of finite-state transducers using the Xerox Finite-state Tools (XFST). Unfortunately the book is written in German. However, now I am pleased to announce that all code from the book (grammar fragments, test samples etc.) is freely available online: https://github.com/lfg-french-grammar Besides, I have recently published an article in English and Portuguese about FrGramm, a new version of the French grammar fragment from the book's chapter 8: Link to the Portuguese version: http://seer.fclar.unesp.br/alfa/article/view/8537 Link to the English version: http://seer.fclar.unesp.br/alfa/article/download/8537/6749 FrGramm is also freely available in a repository of the above cited GithHub project. Comments, suggestions and bug reports are welcome! Students of mine are presently working on adapting these French grammar fragments to Brazilian Portuguese. These grammar fragments of Brazilian Portuguese will also be made freely available. Best regards, Leonel ---------------------------------------------- Prof. Dr. Leonel Figueiredo de Alencar Department of Foreign Languages and Literatures / Linguistics Master's & PhD Program Federal University of Ceará http://complin.blogspot.com.br http://linkedin.com/in/leonel-f-de-alencar-81268614b leonel.de.alencar(a)ufc.br

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ParGram Get-Together next week at Konstanz
by Sebastian Sulger 21 Jul '17

21 Jul '17

Hi, We are planning to have a short ParGram Get-Together as part of the LFG conference in Konstanz, to exchange news and discuss the next moves. Seeing that the programme for next week has filled up quite a bit, we are currently trying to find a slot. One idea is to have a nice and quick meeting in between the agreement workshop on Thursday (which ends around 6), and the Department BBQ - with spill-over discussion time at the BBQ. We could do this on the spot at the Uni (probably in G 209, our lab). This email is just a notice that we would like to meet up with the ParGram people at Konstanz. We will try and approach any known faces directly at the conference, but in the meantime, you can sit and think about whether you can contribute in terms of news, ideas, etc. Cheers, Jani -- Sebastian Lory (né Sulger) FB Sprachwissenschaft Universität Konstanz http://ling.uni-konstanz.de/pages/home/sulger

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Live stream for ParGram
by Sebastian Sulger 06 Apr '17

06 Apr '17

Hi, This is just to let you know that we will be live streaming the upcoming ParGram talks (April 10 - April 12) to YouTube. The link for this is: https://www.youtube.com/channel/UCRh4npbYqQryd02kAmKxhnA/live I will send out instructions for the people giving talks in a separate email. We will try to keep an eye out for questions posted on the stream. The up-to-date programme is here: http://pargram.b.uib.no/meetings/spring-2017-meeting-in-konstanz/ Best, Jani -- Sebastian Lory (né Sulger) FB Sprachwissenschaft Universität Konstanz http://ling.uni-konstanz.de/pages/home/sulger

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Updated ParGram programme
by Sebastian Sulger 24 Mar '17

24 Mar '17

*Apologies for cross-posting* Hi, There is an updated programme available for the ParGram meeting at: http://pargram.b.uib.no/meetings/spring-2017-meeting-in-konstanz/ Please note that the meeting will not take place in room G209, but rather in G227a (which is also at the Department of Linguistics). Also, there will be a ParGram BBQ at Miriam and Tina's place on Tuesday evening, starting from 5 pm. Further information including instructions how to get there are on the website above. We will also stream the meeting online, so that you can still attend the sessions even if you cannot come to Konstanz. I will send around information on how to access the stream in due time. Best, Jani -- Sebastian Lory (né Sulger) FB Sprachwissenschaft Universität Konstanz http://ling.uni-konstanz.de/pages/home/sulger

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new XLE release (March 17, 2017)
by Sebastian Sulger 17 Mar '17

17 Mar '17

Hi, There is a new release of XLE available. The new versions of XLE can be downloaded from: http://typo.uni-konstanz.de/redmine/projects/xle Please go to the "DMSF" section to download XLE packages for different versions. You need to have an account on the Redmine site (= be an XLE licensee) to access the files. NB: linux2.3-64 = any 64 bit Linux that uses GNU libc 2.3 intelmac64 = 64 bit MacOS X 10.8 or later I have not compiled packages for PowerPC chips, SunOS or 32 bit Linux. I cannot provide support for the former two; please let me know if you need to run XLE on a 32 bit Linux. To run this version of XLE, you should put the following in your .login file (the exact commands will depend on the type of shell you use); replace $xledir with the name of the XLE directory. setenv XLEPATH $xledir setenv PATH ${XLEPATH}/bin:$PATH setenv LD_LIBRARY_PATH ${XLEPATH}/lib:$LD_LIBRARY_PATH setenv DYLD_LIBRARY_PATH ${XLEPATH}/lib:$DYLD_LIBRARY_PATH setenv TCLLIBPATH ${XLEPATH}/tcl/scripts/tcl setenv TCL_LIBRARY ${XLEPATH}/tcl/scripts/tcl setenv TKLIBPATH ${XLEPATH}/tcl/scripts/tk setenv TK_LIBRARY ${XLEPATH}/tcl/scripts/tk Below is the ChangeLog for this version of XLE. PARGRAM release 3/17/2017 * Fixes an initialization warning. * Makes some ints be long to make the compiler happy. Best, Sebastian -- Sebastian Lory (né Sulger) FB Sprachwissenschaft Universität Konstanz http://ling.uni-konstanz.de/pages/home/sulger

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ParGram Spring 2017 meeting update
by Sebastian Sulger 06 Mar '17

06 Mar '17

Hi, There is now a website for the Spring ParGram meeting, with some updated information as well as a tentative program. You can find the website on the ParGram blog: http://pargram.b.uib.no/meetings/spring-2017-meeting-in-konstanz/ The program is work in progress. If you have any questions, or if you are planning to attend the meeting but are not yet on the participants list, OR if you would like to give a talk but are not part of the program, please let me know as soon as possible. We will try to give people the opportunity to attend online, either via Skype or via a stream; more information on that soon. I'll keep the lists posted. Best, Jani -- Sebastian Lory (né Sulger) FB Sprachwissenschaft Universität Konstanz http://ling.uni-konstanz.de/pages/home/sulger

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question about transfer system
by Anette Frank 10 Feb '17

10 Feb '17

Dear all, I have a question about the XLE transfer system. Let me know in case I need to send this to another distribution list (parsem?) Since I haven't followed the development for some years now, I am unsure whether some functionality may have been added or workarounds been found regarding the following aspects. 1. marking and repeatedly executing a block of transfer rules that have to be executed in sequence: we have a set of rules A that need to be executed in sequence, repeatedly. The number of loops needed is not known and can differ (only an upper limit could be estimated). - Can we place the block of rules A in a file that can then repeatedly called/inserted? How would we state that? 2. Controlling the number of times such a block of rules needs to be processed repeatedly. We could formulate a rule set or an external procedure that executes a test each time a rule produces a new set of facts, and checks for equality of two subsets. Is there a way to execute such a test and if the condition is met, stop the repeated execution of the rule block? In essence, what we would like to achieve: - A sequence A of transfer rules that continuously rewrite the input, and that can be called repeatedly, without leaving the transfer process (I/O would be too coslty). - Each rule application in A executes a termination condition. - This termination condition either needs to be defined as an external prolog procedure (procedural attachment) or would require several rule applications in a specified order. I am aware of the limitations of the system that make such a scenario difficult, but I wonder whether you can advise me on - what are the limits of using procedural attachments (we would need check two subsets of facts for identity) - how possibly to employ "stop" in such a scenario - how to effectivly call an identical rule set repeatedly (by listing individual calls to an externally stored rule set of specified length?) - any private knowledge of how to circumvent the difficulty Thanks a lot for your help! Best regards, Anette PS: we are currently still using a release of 2010 (xle-2010-10-06), but could switch versions, of course. -- Prof. Dr. Anette Frank http://www.cl.uni-heidelberg.de/~frank Computational Linguistics Department email: frank(a)cl.uni-heidelberg.de University of Heidelberg phone: +49-(0)6221/54-3247 Im Neuenheimer Feld 325 secr: +49-(0)6221/54-3245 69120 Heidelberg, Germany fax: +49-(0)6221/54-3242

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Announcement: Spring ParGram meeting
by Sebastian Sulger 20 Dec '16

20 Dec '16

Hi, Based on your feedback (thanks for that), we have decided on a date for the next ParGram meeting, which will take place online and on-site at the University of Konstanz from *April 10th - April 12th, 2017*. This is directly (with a weekend in between) after EACL 2017, so as to make it more convenient for people from outside Europe to attend. We will set up Skype etc. so that you can participate over the internet in case you can't come to Konstanz. Concerning structure comparison, my suggestion would be to look at the ParTMA treebank collection, which has been created on the INESS site (clarino.uib.no/iness). The collection deals with different tense/aspect/mood configurations. We are interested in these because we are currently working on a project on multilingual annotation of tense and aspect. Please contact the INESS team at Bergen if you find you do not have access to the ParTMA treebank collection. At this point in time, I would ask you to do the following: - Send me an email saying whether/how you can attend the meeting (one of: on-site, online, or cannot attend); - Indicate in the email whether you'd like to give a talk at the meeting (not necessarily on tense/aspect, of course); - Indicate whether you would still like to contribute structures to ParTMA (I will then contact you with more information). Based on the above, we will work on a tentative schedule. Let me know if you have any questions. We are looking forward to welcoming you in Konstanz in April! Cheers, and Merry Christmas and a Happy New Year! Sebastian (aka Jani) on behalf of the Konstanz group -- Sebastian Lory (né Sulger) FB Sprachwissenschaft Universität Konstanz http://ling.uni-konstanz.de/pages/home/sulger

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ParGram meeting next spring
by Sebastian Sulger 22 Nov '16

22 Nov '16

Hi, We are planning to have a ParGram meeting next spring. This will be a 2-3 day meeting some time in March or April. The idea currently is to hold the meeting here in Konstanz, but to also have it online so that people can give presentations and join the discussion via Skype, if they can't come to Konstanz. To move forward with the planning, let me know what dates are NOT possible from your side in March through April. We will then try to find a suitable date. Thanks & Best, Sebastian (aka Jani) -- Sebastian Lory (né Sulger) FB Sprachwissenschaft Universität Konstanz http://ling.uni-konstanz.de/pages/home/sulger

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Question about setting up regression test/benchmarking with xle
by Antske Fokkens 09 Feb '16

09 Feb '16

Hi all, Sorry to bother you with a probably trivial question, but I haven't managed to figure this out following the xle documentation (probably missing something). I'd like to set up regression test and/or small benchmark testsuites. I've made a file with test sentences which I can evaluate using run-syn-testsuite or parse-testfile. I'd now like to run these and make xle register the differences so that I can monitor progress/regression in the grammar's performance. Basically, I'd like to run the testsuite on new data, be notified of changes in the f-structure and decide whether these are an improvement (update the standard to measure again) or a regression (retain old standard). Can anyone tell me how to do this? I've tried to play around with the -outputPrefix and -goldPrefix options, but it is not clear to me how to use them exactly. I've also tried to look into benchmarking, but wasn't able to figure out how to apply this to creating a benchmark for syntactic parsing (i.e. parse sentences and select the right f-structure, store this for evaluation). Any help would be greatly appreciated! Thanks! Antske

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