XPATH EXPRESSION PROCESSOR, XPATH EXPRESSION PROCESSING METHOD, XPATH EXPRESSION PROCESSING PROGRAM, AND STORAGE MEDIUM STORING THE PROGRAM

摘要

PPROBLEM TO BE SOLVED: To provide a method for executing matching processing of character strings quickly out of processing of predicates in an XPath expression. PSOLUTION: A filter engine 10 is provided with: a keyword index management module 16 for managing a keyword index to be a function for determining conformity of the keyword with respect to XML data input to an XML parse module 11 on the basis of a text value of an individual profile extracted by an inquiry parse module 12; a profile management part 15 for storing an XPath ID for identifying an XPath expression generated by dividing the individual profile for each condition, a logical operation element between the XPath IDs included in the individual profile, and the keyword index in association with one another; and a data extraction module 13 for determining conformity of the individual profile on the basis of the XPath ID identified on the basis of the keyword index and the logic operation element between the XPath IDs. PCOPYRIGHT: (C)2007,JPO&INPIT