LOGO and natural language

Part Two. Applications

It is hoped that this part will extend over time. Any authors wishing to contribute a unit to appear under their own name should feel free to contact me.

Sounds (and letters)

Phonological background

• Sound patterns
  • Phonemes and phonemic differences
  • Distinctive features and sound systems
  • Phonotactics
• Transcription problems and fixes
  • A digraph pre-processor

Construction - and deconstruction - time

• Compatible features and permissible segments
  • Negative conditions - a generic Logo segment filter . . .
  • . . . and a LogoPLUS segment filter
  • Positive conditions - a segment builder
  • Eliminating segmental redundancies - a phonemicizer

• Generating words . . .
  • with simple CV syllables
  • and with more complex syllables
  • A production-rule system for syllable generation (Logo PLUS)

• Possible phonological systems.
  • System growth

Parsing

• A simple syllabifier
  • Improving the syllabifier
• Word stress assignement

Restructuring

• Phonological borrowing
• Baby talk

Words and sentences

The conversion of Lonely Hearts

• Grammar rules, OK!
• Developing a simple sentence generator
• Providing some utilities (For writing, displaying rules etc)
• Improving the user interface
• Introducing a simple shift-reduce parser
• Getting it together:
  • A Logo PLUS grammar writing system
  • and a sample set of rules
    (Copy both into your workspace and type 'start'.)

Production systems

• Productions and rewrite rules
• Production memory in a grammar system
• An interpreter for sentence generation
• An interpreter for parsing sentences
  • Some interface add-ons
• A more versatile interpreter

Ways with words

• How to add affixes (Kolami system)
• Checking the grammatical representation of a word
• Morphological analysis with respelling

Playtime

• Who dunnit? (Version of the 'Facts' microworld with syntactic features)
• What's up Doc? ('Facts' becomes an Eliza system)
• Take a butcher's at this (A Cockney rhymer)
• Word Chains (A Lewis Carrol invention)

Sense and nonsense

Telling tales

• There was a young lady from Gwent (Limericks and centos)
• It's all a plot (Case frames)
• Story time (database output)

Making asumptions

• Is it in the script? (Scripts)
• If all men are mortal and Socrates, , .(Inference and isa relations)
• You've got your father's nose. (Lexical inheritance )

All change

• Traddutore,tradditore = Translator, traitor? Word for word translation)
• Mary, Mary. Quite contrary. (Antonyms and synonyms)