Electronic Commerce, the Internet and Travel Cybermediaries. - Paul F. O'Brien (Australas. J. Inf. Syst., 1998)

Intelligent Assistants for Retail Travel Agents. - Paul F. O'Brien (J. Inf. Technol. Tour., 1999)

Improving Sales Consultant's Product Information Recall and Matching Precision using Ontologies and Micro-Domains. - Paul O'Brien 002 (PACIS, 2000)

Dynamic Travel Itinerary Management: The Ubiquitous Travel Agent. - Paul F. O'Brien (ACIS, 2001)

Events, Context, and Situations and Reactive Mobile Service Delivery. - Paul O'Brien 002; Jay Burmeister (ACIS, 2002)

Ubiquitous Travel Service Delivery. - Paul O'Brien 002; Jay Burmeister (J. Inf. Technol. Tour., 2002)

An architecture for ubiquitous mobile service delivery - Paul F. O'Brien (2006)

An Ontology for Mobile Situation Oriented Systems. - Paul O'Brien 002 (ACIS, 2007)

An Ontology For Mobile Situation Aware Systems. - Paul F. O'Brien (Australas. J. Inf. Syst., 2009)

A Travel Situation Management Ontology. - Paul O'Brien 002 (J. Inf. Technol. Tour., 2009)