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SoL #9 Language processing03 (Computational linguistics (Computational…
SoL #9
Language processing03
Computational linguistics
:bulb: subfield of
:computer: science & linguistics
deals with :computer: :recycle: of :silhouettes: :left_speech_bubble:
Computational processes
Speech
recognition
issue: Noise, variation
:key: detect the :signal_strength:,
hear the :sound:, individual variations, accents, extra :sound:, lost :sound:
Speech
synthesis
Issue: Formant :vs:
concatenate
:bulb: record all sounds of :left_speech_bubble:
then arrange 2 suit purposes (common)
Identify roots & affixes
(even across :left_speech_bubble:, e.g. :flag-jp: accent)
Issue: Irregular forms
Parsing
Issue: Ambiguity
Speech
understanding
issue: Lexical limit
Semantic network
Issue: Logical limit
Context
Issue: :earth_asia: knowledge
Computer models of grammar
Characteristics
Parallel
processing
:bulb: doing bottom-up &
top-down :recycle: at the same :hourglass:
Statistical analysis
Machine
learning
:key: Algorithm is used to allow AI 2 "learn" frm input
Non- :silhouettes: systems
:key: AIs using a model of grammar to operate
Text & Speech
analysis
:red_flag: Frequency
analysis (corpus) :arrow_right:
Concordances :arrow_right:
Collocations :arrow_down:
:arrow_left: Computational lexicography
:arrow_down: Information retrieval & summarisation
Spellcheckers :arrow_right:
:checkered_flag: Machine translation
Importance
& application
Trademark issue
:memo: Google; MacDonald
Interpreting
legal terms
:memo: Visa
:speaking_head_in_silhouette: identification
:key: Comparing waveform