Agreement
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**ACAS = assigns case (if the constituent assigns case value to the head) | **ACAS = assigns case (if the constituent assigns case value to the head) | ||
**ATNS = assigns tense (if the constituent assigns tense value to the head) | **ATNS = assigns tense (if the constituent assigns tense value to the head) | ||
| − | **RNUM = | + | **RNUM = receives number (if the constituent receives number value from the head) |
| − | **RGEN = | + | **RGEN = receives gender (if the constituent receives gender value from the head) |
| − | **RPER = | + | **RPER = receives person (if the constituent receives person value from the head) |
| − | **RCAS = | + | **RCAS = receives case (if the constituent receives case value from the head) |
| − | **RTNS = | + | **RTNS = receives tense (if the constituent receives tense value from the the head) |
== Examples == | == Examples == | ||
| Line 32: | Line 32: | ||
:*NA(ADJ):=NA(+RGEN); (conditional agreement: the adjunct receives the gender from the noun if adjective); | :*NA(ADJ):=NA(+RGEN); (conditional agreement: the adjunct receives the gender from the noun if adjective); | ||
:*NA(^PP):=NA(+RGEN); (conditional agreement: the adjunct receives the gender from the noun if not a prepositional phrase); | :*NA(^PP):=NA(+RGEN); (conditional agreement: the adjunct receives the gender from the noun if not a prepositional phrase); | ||
| − | :*NA(GEN | + | :*NA(GEN):=NA(+RGEN); (conditional agreement: the adjunct receives the gender from the noun if the noun has the feature gender (GEN); |
;Complex agreement | ;Complex agreement | ||
:A single agreement rule may contain several agreement operations: | :A single agreement rule may contain several agreement operations: | ||
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:*NA(-RGEN); (delete "receive gender" from all noun adjuncts) | :*NA(-RGEN); (delete "receive gender" from all noun adjuncts) | ||
:*NA(PP):=NA(-RGEN); (delete "receive gender" from all noun adjuncts that have the feature PP) | :*NA(PP):=NA(-RGEN); (delete "receive gender" from all noun adjuncts that have the feature PP) | ||
| − | ;The symbol '''^''' is used for negation and to control infinite recursion | + | ;The symbol '''^''' is used for negation and to control infinite recursion: |
:*NA(^RGEN):=NA(+RGEN); (the adjunct receives the gender from the noun if it does not have the feature "receive gender") | :*NA(^RGEN):=NA(+RGEN); (the adjunct receives the gender from the noun if it does not have the feature "receive gender") | ||
Latest revision as of 09:39, 10 June 2013
Agreement or concord is a form of cross-reference between different parts of a sentence or phrase. Agreement happens when a word changes form depending on the other words it relates to. In the UNLarium framework, agreement is defined through S-rules. Agreement is not informed in UNL.
Syntax
Agreement is defined through S-rules in the following format:
<SYNTACTIC ROLE>(+<AGREEMENT>);
Where:
- <SYNTACTIC ROLE> is the syntactic role (VA, VC, VS, VH, etc) of the constituent in relation to the head; and
- <AGREEMENT> is the agreement to be assigned, and may assume the following values:
- ANUM = assigns number (if the constituent assigns number value to the head)
- AGEN = assigns gender (if the constituent assigns gender value to the head)
- APER = assigns person (if the constituent assigns person value to the head)
- ACAS = assigns case (if the constituent assigns case value to the head)
- ATNS = assigns tense (if the constituent assigns tense value to the head)
- RNUM = receives number (if the constituent receives number value from the head)
- RGEN = receives gender (if the constituent receives gender value from the head)
- RPER = receives person (if the constituent receives person value from the head)
- RCAS = receives case (if the constituent receives case value from the head)
- RTNS = receives tense (if the constituent receives tense value from the the head)
Examples
- VS(+ANUM);
- number agreement: the verb agrees with its specifier in number (i.e., the specifier of the verb assigns number to the verb)
- NA(+RGEN);
- gender agreement: the adjunct agrees with the noun in gender (i.e., the adjunct receives gender from the noun)
Observations
- Conditional agreement
- Conditional agreement may be stated by defining the left side of the s-rule and coindexing it to the right side:
- NA(+RGEN); (unconditional agreement: the adjunct always receives the gender from the noun);
- NA(ADJ):=NA(+RGEN); (conditional agreement: the adjunct receives the gender from the noun if adjective);
- NA(^PP):=NA(+RGEN); (conditional agreement: the adjunct receives the gender from the noun if not a prepositional phrase);
- NA(GEN):=NA(+RGEN); (conditional agreement: the adjunct receives the gender from the noun if the noun has the feature gender (GEN);
- Complex agreement
- A single agreement rule may contain several agreement operations:
- VS(+ANUM,+APER,+AGEN); (the specifier of the verb assigns number, person and gender to it)
- NS(+RNUM,+RPER,+RGEN)NA(+RNUM,+RPER,+RGEN); (the specifier and the adjunct of the noun receives number, person and gender from it)
- Use of "+"
- As rules are conservative (i.e., features are preserved unless explicitly deleted), the use of "+" is actually optional:
- VS(+RNUM); is the same as VS(RNUM);
- Feature removal
- Agreement features may be deleted through "-"
- NA(-RGEN); (delete "receive gender" from all noun adjuncts)
- NA(PP):=NA(-RGEN); (delete "receive gender" from all noun adjuncts that have the feature PP)
- The symbol ^ is used for negation and to control infinite recursion
-
- NA(^RGEN):=NA(+RGEN); (the adjunct receives the gender from the noun if it does not have the feature "receive gender")
