|1.4.1998||98033||98033||98033||Ma and Hayes on ontology of time|
|13.4.1998||98034||98034||98034||Miller question to Sandewall re article; Hayes answer to Ma on ontology of time|
|15.4.1998||98035||98035||98035||Jixin Ma on the ontology of time|
|18.4.1998||98036||98036||98036||Sergio Brandano (Pisa) re whether nonstandard ontology for time is really needed|
|21.4.1998||98037||98037||98037||Answers by Jixin Ma and Pat Hayes to Sergio Brandani|
|22.4.1998||98038||98038||98038||McCarthy, Brandano, and Sandewall on ontologies of time|
|23.4.1998||98039||98039||98039||Kakas and Miller paper accepted; comments from reviewers; Ma and Brandano on standard vs nonstandard ontologies of time|
|24.4.1998||98040||98040||98040||Ma, Hayes, and Brandano on the ontology of time|
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