Conceptual Modelling and Ontology: Possibilities and Pitfalls Ron Weber   View Paper (PDF)   Return to Keynote Addresses BIBTEX @inproceedings       {DBLP:conf/er/Weber02,   author    = {Ron Weber},    booktitle = {ER},    title     = {Conceptual Modelling and Ontology: Possibilities and Pitfalls}   pages     = {1 - 2},    year      = {2002},    url       = {db/conf/er/er2002.html#Weber02},    ee        = {http://link.springer.de/link/service/series/0558/bibs/2503/25030001.htm},    crossref  = {conf/er/2002},    bibsource = {DBLP, http://dblp.uni-trier.de}  } ©2004 Association for Computing Machinery