The program 'walks' through the data table, which carries all family names listed in APG, 1998 as either accepted names or synonyms. Each accepted family name is used as a query string (APG synonyms are used for the family finder) and other rank names are used to structure the output. Using the KMAN 'pluck' function, the KMAN table FULLFAM1.ITB is queried, using the index file FULLFAMI.IND, and the numerical field VASCWWWO is checked for the 'plucked' record. The table FULLFAM1.ITB is acted on by each updating run of VASCWWWO.IPF which builds a formated ASCII file from a series of 'resource' data tables carrying internet URLs and family names. The file - VASCWWWO.TXT - is indexed by the 'MG' system with each URL/Family name representing a 'document'. If 'documents' have been produced for a given family the value of FULLFAM1.VASCWWWO increases by 1. Thus, if this value is greater than 0, APGWWW1.IPF will print the name with a query link to the indexed file. Selection of highlighted family names will issue a query to the indexed file. In response to this query, all 'documents' carrying a matching family string are returned to the user as a formatted (HTML) page.

The URLs utilized to search the indexed file function via CGI programming and 'full text' indexing performed by Erich Schneider, while with the Texas A&M Center for the Study of Digital Libraries.

APGWWW1.IPF, written by Hugh Wilson, is one element of a larger experimental system for WWW-based vascular plant informatics now under development by the Texas A&M Bioinformatics Working Group. Questions, corrections, comments, or pointers to new sources can be directed to Hugh Wilson.

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