Matteo Baldoni Cristina Baroglio Alessandro Chiarotto Viviana Patti Programming Goal-Driven Web Sites Using an Agent Logic Language. 60-75 2001 conf/padl/2001 PADL http://link.springer.de/link/service/series/0558/bibs/1990/19900060.htm db/conf/padl/padl2001.html#BaldoniBCP01