Alibaba Group Holding Limited
Information query method and device

Abstract:

An information query method and device. The method comprises: converting a query text in a natural language entered by a user, into a structured statement in an abstract query language; converting the statement in an abstract query language into a basic query statement or multiple iterated basic query statements (S200); and for a prepared database, performing query operations according to the basic query statement or the multiple iterated basic statements. Intentional analysis can be performed firstly on query texts in a natural language entered by a user to filter out a text requiring no query, a query text meeting the intention is converted into a statement in a abstract query language, then the statement in the abstract query language is converted into a basic query statement or multiple iterated basic query statements, most query intentions can be covered, complex logical and reasoning query can be achieved, and query results can be returned conveniently.