ProQuest Information and Learning - Ann Arbor, Michigan 10/1993-02/2003

Software Engineer / Research and Development Group

• Senior Software Developer on the research and development team; designed and led the development of:
• A custom and extensible Boolean search engine
• A distributed, scaleable client/server architecture
• The query parser and translator for the online ProQuest system
• A Perl-based source code control and build system
• Grammar and regular expression compilers (similar to yacc/lexx)
• A script language and compiler for testing the production systems Document conversion and layout utilities
• Participated in patent filing for Intelligent Document Linking System
• http://www.patentbuddy.com/Patent/20020143808?ft=true&sr=true / 
• http://www.patentbuddy.com/Inventor/LaFavers-Dan/5033613 .