Check and Validate GML Application Document Based on Relational Schema
Guonian Lü · Journal of Chinese Computer Systems · 2007
Checking validity is an important part of GML document application.Map the core schemas of GML3.1 and GML application schema to relational model,adopt regular expression to describe the model in element and complextype,and make use of stack mechanism to read the father's structure of leaf peers,to check and validate in sequence.Simultaneously,produce semantic information database and syntax rules to make foundation for following research of parsing,index mechanism and query.