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<HTML><HEAD> <TITLE> C661: Natural Language Processing</TITLE></HEAD> <BODY><H1>C661: Natural Language Processing</H1><b>Instructor</b>: <!WA0><A HREF="http://www.cs.indiana.edu/hyplan/gasser.html">Mike Gasser</A><!WA1><A HREF="http://www.cs.indiana.edu/hyplan/gasser/oh_appointments.html">[Make anappointment with me.]</A><!WA2><A HREF="mailto:gasser@cs.indiana.edu">[Send me a message.]</A><BR><b>Time</b>: TuTh 1:00-2:15<BR><b>Room</b>: Woodburn 114<P><HR><P><H2><a name="contents">Contents</a></H2><DL><DD><!WA3><IMG SRC="http://www.indiana.edu/~homeremo/redtri.gif" border=0 alt = "" align=middle ><!WA4><A HREF="#announcements">Announcements</A><DD><!WA5><IMG SRC="http://www.indiana.edu/~homeremo/redtri.gif" border=0 alt = "" align=middle ><!WA6><A HREF="#topics">Topics</A><DD><!WA7><IMG SRC="http://www.indiana.edu/~homeremo/redtri.gif" border=0 alt = "" align=middle ><!WA8><A HREF="#coursework">Coursework</A><DD><!WA9><IMG SRC="http://www.indiana.edu/~homeremo/redtri.gif" border=0 alt = "" align=middle ><!WA10><A HREF="#websites">Other sources of information</A><DD><!WA11><IMG SRC="http://www.indiana.edu/~homeremo/redtri.gif" border=0 alt = "" align=middle ><!WA12><A HREF="#schedule">Schedule</A></DL><P><HR><P><h2><a name="announcements">Announcements</h2><UL><LI> <!WA13><A HREF="http://www.cs.indiana.edu/classes/c661/exam.html">Here</A> is the final exam.<LI> A (fairly primitive) program for playing with HolographicReduced Representations (Plate) is at <tt>~gasser/Apps/hrr</tt> on thesharkestra, moose, and department SGIs.<!WA14><a href="http://www.cs.indiana.edu/classes/c661/hrr.txt">Here</a> is enough information to get you startedwith it.<LI><!WA15><ahref="http://crl.ucsd.edu/~crl/newsletter/10-1/TOC.html">Here</a>is a new (optional) paper by Paul Rodriguez oncontext-free languages and simple recurrent nets.</UL><P><HR><P><H2><a name="topics">Topics</H2>This course provides an introduction to the field of natural languageprocessing (or computational linguistics), including both analysis andgeneration. Speech processing, machine translation, and computationalapproaches to language acquisition and language evolutionare also given some attention.A wide range of linguisticphenomena, including phonology, morphology, syntax and semantics, andpragmatics, will be treated,and examples will come from various languages.We will be concerned both with how well particular approaches solvepractical problems and with how well they model human data.<P>The course is divided into two relatively separate components.The first deals with symbolic approaches to languageprocessing.We will cover parsing and generation algorithms, emphasizingmodern unification-based approaches, but will spendmore of our time considering the sorts of grammars that supportparsing and generation.With respect to theory and notation, we will stick mainly with<!WA16><a href="http://ling.ohio-state.edu/HPSG/Hpsg.html">Head-DrivenPhrase Structure Grammar</a>,probably the most popular approach in computationallinguistics today.<P>The second component of the coursedeals with statistical and connectionist approaches to languageprocessing, which, despite their very differentorigins and motivation, share many underlying mechanisms as well as alack of built-in linguistic knowledge.We will emphasize the acquisition of knowledge (phonological,morphological, syntactic, semantic),temporal processing, andthe relation between perception and the grammar/lexicon.<P>The course schedule, however, will be organized around topics ratherthan approaches.Thus we will look at morphology, approaches to parsing, and semanticcase, for example, in each case considering how both symbolic andconnectionist/statistical approaches deal with the problem.For each topic we will also look at acquisition as well as processing.<P><HR><P><H2><a name="coursework">Coursework and Prerequisites</H2>Students should have some background in AI (such as<!WA17><A HREF="http://www.cs.indiana.edu/classes/c463/home.html">C563-564</A>) and beable to program in Scheme or Lisp. Some linguistics background wouldalso be very helpful but is not required.Cognitive science students from outside of computer science areencouraged to enroll.<P>Coursework includes<ol><LI>Project (50%)<P>This may be done in collaboration with others in the class.It should include a running program, though this can be based onexisting software in the case of connectionist models,and a report which relates the work to other work in the area.An attempt will be made to relate projects to each other byconstraining the type of language that is handled. <P>Grading: paper (25%); relevance (25%); originality, success, lessons learned(50%)<P><!WA18><a href="http://www.cs.indiana.edu/classes/c661/projects.html">Suggestions for projects</a><P><!WA19><a href="http://www.cs.indiana.edu/classes/c661/swim.html">A simple story</a> you might want to usefor your project<P><LI>Exams (40%)<P>There will be two exams, each covering half of the course.You need only take the portion of each exam covering the approach(symbolic or connectionist/statistical) which is not related to yourproject.<P><LI>Discussion of papers (10%)<P>Students will be responsible for leading discussion of some of thepapers we will be reading.<!WA20><a href="http://www.cs.indiana.edu/classes/c661/discussants.html">Here</a>'s a schedule.</ol>Readings for the class will be kept on reserve in Swain Library. Acopy will also be left in a box in the Computer Science DepartmentCopy Room.<p><b><!WA21><a href="http://www.cs.indiana.edu/classes/c661/readings.html">Reading list</b></a><p><p><b><!WA22><a href="http://www.cs.indiana.edu/classes/c661/discussants.html">Discussants for readings</b></a><p><P><HR><P><h2><!WA23><A HREF="news:ac.c.661">Class Newsgroup</A></h2><P><HR><P><h2><a name="websites">Some Other Sources of Information</h2><UL><LI><!WA24><A HREF="http://xxx.lanl.gov/cmp-lg/">The ComputationalLinguistics E-Print Archive</A><LI><!WA25><a href="http://www.cs.columbia.edu/~acl/home.html">ACL Home Page</a><LI><!WA26><A HREF="http://cl-www.dfki.uni-sb.de/cl/registry/draft.html">TheNatural Language Software Registry</A><LI><!WA27><a href="http://silver.ucs.indiana.edu/~asolovyo/melchuk.html">Informationon Igor Mel'chuk</a><LI><!WA28><AHREF="http://www.nyu.edu/pages/linguistics/anlcbk.html">Tutorialon One Approach to NL Generation</a><LI><!WA29><A HREF=""http://www.cs.indiana.edu/classes/c661/⌨️ 快捷键说明
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