Method and system for responding to user-input based on...

Data processing: database and file management or data structures – Database and file access – Preparing data for information retrieval

Reexamination Certificate

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Reexamination Certificate

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07809724

ABSTRACT:
A method for processing user input includes the step of receiving, during a session, via one of a plurality of media gateways, from a user, an expression having a semantic structure. The semantic structure of the expression is evaluated. An expression type is identified, responsive to the evaluation of the semantic structure. Based on the expression type, a response to the expression is generated. A determination is made as to whether to store the received expression, the response, and an identification of the user.

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Estier et al, The BNF Web Club Language SQL, ADA, JAVA, Modula2, PL/SQL, . . . , 1998 (note that individual formatl grammars will have an earlier date), http://cui.unige.ch/db-research/Enseignement/analyseinfo/BNFweb.html.

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