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148 lines
5.7 KiB
HTML
148 lines
5.7 KiB
HTML
<html>
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<body>
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<i> Produced by
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gfdoc - a rudimentary GF document generator.
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(c) Aarne Ranta (aarne@cs.chalmers.se) 2002 under GNU GPL.
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</i>
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<p>
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<h1> Cat: the Category System</h1>
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The category system is central to the library in the sense
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that the other modules (<tt>Adjective</tt>, <tt>Adverb</tt>, <tt>Noun</tt>, <tt>Verb</tt> etc)
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communicate through it. This means that a e.g. a function using
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<tt>NP</tt>s in <tt>Verb</tt> need not know how <tt>NP</tt>s are constructed in <tt>Noun</tt>:
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it is enough that both <tt>Verb</tt> and <tt>Noun</tt> use the same type <tt>NP</tt>,
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which is given here in <tt>Cat</tt>.
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Some categories are inherited from [``Common`` Common.html].
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The reason they are defined there is that they have the same
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implementation in all languages in the resource (typically,
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just a string). These categories are
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<tt>AdA, AdN, AdV, Adv, Ant, CAdv, IAdv, PConj, Phr</tt>,
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<tt>Pol, SC, Tense, Text, Utt, Voc, Interj</tt>.
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<p>
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Moreover, the list categories <tt>ListAdv, ListAP, ListNP, ListS</tt>
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are defined on <tt>Conjunction</tt> and only used locally there.
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<pre>
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abstract Cat = Common ** {
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cat
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</pre>
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<h2> Sentences and clauses</h2>
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Constructed in [Sentence Sentence.html], and also in
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[Idiom Idiom.html].
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<pre>
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S ; -- declarative sentence e.g. "she lived here"
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QS ; -- question e.g. "where did she live"
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RS ; -- relative e.g. "in which she lived"
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Cl ; -- declarative clause, with all tenses e.g. "she looks at this"
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ClSlash;-- clause missing NP (S/NP in GPSG) e.g. "she looks at"
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SSlash ;-- sentence missing NP e.g. "she has looked at"
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Imp ; -- imperative e.g. "look at this"
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</pre>
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<h2> Questions and interrogatives</h2>
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Constructed in [Question Question.html].
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<pre>
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QCl ; -- question clause, with all tenses e.g. "why does she walk"
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IP ; -- interrogative pronoun e.g. "who"
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IComp ; -- interrogative complement of copula e.g. "where"
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IDet ; -- interrogative determiner e.g. "how many"
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IQuant; -- interrogative quantifier e.g. "which"
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</pre>
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<h2> Relative clauses and pronouns</h2>
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Constructed in [Relative Relative.html].
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<pre>
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RCl ; -- relative clause, with all tenses e.g. "in which she lives"
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RP ; -- relative pronoun e.g. "in which"
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</pre>
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<h2> Verb phrases</h2>
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Constructed in [Verb Verb.html].
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<pre>
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VP ; -- verb phrase e.g. "is very warm"
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Comp ; -- complement of copula, such as AP e.g. "very warm"
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VPSlash ; -- verb phrase missing complement e.g. "give to John"
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</pre>
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<h2> Adjectival phrases</h2>
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Constructed in [Adjective Adjective.html].
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<pre>
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AP ; -- adjectival phrase e.g. "very warm"
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</pre>
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<h2> Nouns and noun phrases</h2>
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Constructed in [Noun Noun.html].
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Many atomic noun phrases e.g. <i>everybody</i>
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are constructed in [Structural Structural.html].
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The determiner structure is
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``` Predet (QuantSg | QuantPl Num) Ord
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as defined in [Noun Noun.html].
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<pre>
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CN ; -- common noun (without determiner) e.g. "red house"
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NP ; -- noun phrase (subject or object) e.g. "the red house"
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Pron ; -- personal pronoun e.g. "she"
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Det ; -- determiner phrase e.g. "those seven"
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Predet ; -- predeterminer (prefixed Quant) e.g. "all"
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Quant ; -- quantifier ('nucleus' of Det) e.g. "this/these"
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Num ; -- number determining element e.g. "seven"
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Card ; -- cardinal number e.g. "seven"
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Ord ; -- ordinal number (used in Det) e.g. "seventh"
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</pre>
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<h2> Numerals</h2>
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Constructed in [Numeral Numeral.html].
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<pre>
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Numeral ; -- cardinal or ordinal in words e.g. "five/fifth"
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Digits ; -- cardinal or ordinal in digits e.g. "1,000/1,000th"
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</pre>
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<h2> Structural words</h2>
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Constructed in [Structural Structural.html].
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<pre>
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Conj ; -- conjunction e.g. "and"
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</pre>
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-b DConj ; -- distributed conjunction e.g. <i>both - and</i>
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<pre>
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Subj ; -- subjunction e.g. "if"
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Prep ; -- preposition, or just case e.g. "in"
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</pre>
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<h2> Words of open classes</h2>
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These are constructed in [Lexicon Lexicon.html] and in
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additional lexicon modules.
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<pre>
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V ; -- one-place verb e.g. "sleep"
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V2 ; -- two-place verb e.g. "love"
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V3 ; -- three-place verb e.g. "show"
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VV ; -- verb-phrase-complement verb e.g. "want"
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VS ; -- sentence-complement verb e.g. "claim"
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VQ ; -- question-complement verb e.g. "wonder"
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VA ; -- adjective-complement verb e.g. "look"
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V2V ; -- verb with NP and V complement e.g. "cause"
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V2S ; -- verb with NP and S complement e.g. "tell"
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V2Q ; -- verb with NP and Q complement e.g. "ask"
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V2A ; -- verb with NP and AP complement e.g. "paint"
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A ; -- one-place adjective e.g. "warm"
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A2 ; -- two-place adjective e.g. "divisible"
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N ; -- common noun e.g. "house"
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N2 ; -- relational noun e.g. "son"
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N3 ; -- three-place relational noun e.g. "connection"
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PN ; -- proper name e.g. "Paris"
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</pre>
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DEPRECATED: QuantSg, QuantPl
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- QuantSg ;-- quantifier ('nucleus' of sing. Det) e.g. <i>every</i>
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- QuantPl ;-- quantifier ('nucleus' of plur. Det) e.g. <i>many</i>
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<pre>
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}
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</pre>
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</body>
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</html>
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