The Notion of ``Classes of a Path'' in ER Schemas.

Junkang Feng The Notion of ``Classes of a Path'' in ER Schemas. 218-231 ADBIS/1999/16910218.pdf 1999 ADBIS db/conf/adbis/adbis99.html#Feng99 conf/adbis/99 db/conf/adbis/Feng99.html http://link.springer.de/link/service/series/0558/bibs/1691/16910218.htm journals/cacm/Codd70 books/aw/Date95 ... ... ... ... ... ... ... journals/cacm/Harel88