Package dragon.ir.query

Interface Summary

Interface	Description
Expression	Interface of query expressions
IRQuery	Interface of IR Query
Predicate	Interface of predicate which is the least unit of IR query
QueryGenerator	Interface of query generator which converts natural language into structured query

Class Summary

Class	Description
AbstractExpression	Abstract class for query expression
AbstractIRQuery	Abstract class of IR query
AbstractPredicate	Abstract class of predicate
AbstractQueryGenerator	Abstract class of query generator which implements function "generate".
BasicQueryGenerator	Basic Query Generator
BoolExpression	Bool query expression
BoolQualifierPredicate	Bool qualifier predicate
BoolRelationPredicate	Bool relation predicate
BoolTermPredicate	Bool term predicate
Operator	Query operator
PhraseQEGenerator	Phrase Query generator
QueryWriter	Query writer which supports query related document sets indexing
RelBoolQuery	Bool realtion query
RelSimpleQuery	Simple relation Query
SimpleExpression	Simple expression
SimpleRelationPredicate	Simple relation predicate
SimpleTermPredicate	Simple term predicate