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NL-Soar update

NL-Soar is a research project focused on the cognitive modeling of linguistic performance using Soar. Our goals are to expand Soar knowledge, provide NL capabilities to the research community, and carry out research into natural language processing. With various language-related applications, NL-Soar is enhancing comprehension, discourse, and generation processes.

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NL-Soar update

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  1. NL-Soar update Deryle Lonsdale BYU Linguistics lonz@byu.edu Soar 2003

  2. BYU Soar Research Group • 1 faculty, 6-10 students/year • Weekly meetings • Literature, development, planning • Goals: • Expand Soar knowledge and explore possible uses on-campus • Provide and support an NL capability to the Soar research community • Toolkits, resources, knowledge repositories • Carry out research into the cognitive modeling of linguistic performance Soar 2003

  3. NL-Soar (overview) • Soar for natural-language modeling • Comprehension (NLC) • Parsing sentences into syntax/semantics • Discourse (NLD) • Discourse moves, turns, participants • Generation (NLG) • Tactical sentence generation • Various language-related applications • Parsing, acquisition, translation, task integration Soar 2003

  4. What we’ve accomplished • Several students have learned to use NL-Soar (and some even write sp’s) • Substantial improvements to coverage • Still a lot remains, though... • Testing (including the patience of those who want to use it...) • Bug tracking via in-house version of SourceForge • LG-Soar (Data Extraction RG) Soar 2003

  5. What we’ve accomplished (2) • Updated website (biblio, mini-tutorials) • Two-agent conversation over sockets • Involves NLC, NLD, NLG • Workable solution(s) to massive ambiguity problems due to WordNet • Tutorial at this workshop Soar 2003

  6. The new release (2003) • Soar 7.3, Tcl 8.x, WordNet 1.6 • Some new documentation • Hasn’t gone out yet... • What’s the best vehicle? • Works pretty well, though semantics coverage needs to be increased Soar 2003

  7. What we’ll be working on • Increasing linguistic coverage • Including an interface to morphology engine • Releasing and documenting new release • Chunking/learning (including WSD) • WordNet 1.6  1.7.1 • Soar 8.x (works already, but...) • More interesting conversational discourse • Other languages (French) • Integration with other NLP tools • Other lexicons (e.g. CELEX) • Other grapher (CLIG) Soar 2003

  8. Complete linguistics coverage is hard It’ll be a difficult transition from in-house The NLP pendulum is not currently favorable We’re a strictly volunteer team again We’re doing real language (and gaining associated insights) The architecture still works (and we’re still trying to listen...) Less ad-hoc, more principled development Interest is picking up Coals Nuggets Soar 2003

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