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abstract Query = {
flags
startcat = Move ;
-- general query language, which can be specialized with any lexicon
cat
Move ; -- top-level utterance, e.g. "give me all Bulgarian persons that work at Google"
Query ;
Answer ;
Set ; -- the set requested, e.g. "all persons"
Relation ; -- something of something, e.g. "subregion of Bulgaria"
Kind ; -- type of things, e.g. "person"
Property ; -- property of things, e.g. "employed at Google"
Individual ; -- one entity, e.g. "Google"
Activity ; -- action property, e.g. "work at Google"
Name ; -- person, company... e.g. "Eric Schmidt"
Loc ;
Org ;
Pers ;
[Individual] {2} ; -- list of entities, e.g. "Larry Page, Sergey Brin"
fun
MQuery : Query -> Move ;
MAnswer : Answer -> Move ;
QSet : Set -> Query ; -- (give me | what are | which are | ) (S | the names of S | S's names)
QWhere : Set -> Query ; -- where are S
QInfo : Set -> Query ; -- (give me | ) (information about | all about) S
AKind : Set -> Kind -> Answer ; -- S is a K
AProp : Set -> Property -> Answer ; -- S is P
AAct : Set -> Activity -> Answer ; -- S As
SAll : Kind -> Set ; -- all Ks | the Ks
SOne : Kind -> Set ; -- one K
SIndef : Kind -> Set ; -- a K
SPlural : Kind -> Set ; -- Ks
SOther : Kind -> Set ; -- other Ks
SInd : Individual -> Set ; -- X
SInds : [Individual] -> Set ; -- X and Y
KRelSet : Relation -> Set -> Kind ; -- R of S | S's R
KRelKind : Kind -> Relation -> Set -> Kind ; -- K that is R of S
KRelPair : Kind -> Relation -> Kind ; -- S's with their R's
KProp : Property -> Kind -> Kind ; -- P K | K that is P
KAct : Activity -> Kind -> Kind ; -- K that Ps
KRel : Relation -> Kind ; -- R ---??
}
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