A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z - 3

• OAMAS - Organized Adaption in Multi-Agent Systems
• OAS - Ontologies in Agent Systems

• OBI - Ontology-supported Business Intelligence
• Objective Software Quality
• Objektbanken für Experten
• OBPDC - Object-Based Parallel and Distributed Computation

• OCL - Object Constraint Language

• ODBIS - Ontologies-Based Databases and Information Systems
• ODMWI - Optimization-Based Data Mining and Web Intelligence
• ODP - Open Distributed Processing
• ODR - Online Dispute Resolution
• ODRL - Open Digital Rights Language

• ÖFAI - Austrian Research Institute for Artificial Intelligence
• ÖGAI - Austrian Conference on Artificial Intelligence

• OHS - Open Hypertext Systems

• OIS - Ontologizing Industrial Standards

• OKCon - Open Knowledge Conference

• OL - Ontology Learning

• OM - Ontology Matching
• OM - Organizational Memories
• OMBI - Opinion Mining for Business Intelligence
• OMER - Object-Oriented Modeling of Embedded Real-Time Systems

• ONDM - Optical Network Design and Modelling
• ONISW - Ontologies and Information Systems for the Semantic Web
• Online-Systeme im Finanz- und Rechnungswesen
• ONTOBRAS-MOST - Ontology Research in Brazil / Metamodels, Ontologies and Semantic Technologies
• ONTOSE - Ontology, Conceptualization and Epistemology for Information Systems, Software Engineering and Service Science

• OODBS - Workshop on Object-Oriented Database Systems
• OOER - Object-Oriented and Entity-Relationship Modelling
• OO-Graphics - Object-Oriented Graphics
• OOIS - International Conference on Object Oriented Information Systems
• OOPSLA - Conference on Object-Oriented Programming Systems, Languages, and Applications
• OORaSE - OOPSLA Workshop on Reflection and Software Engineering

• OPAALS - Open Philosophies for Associative Autopoietic Digital Ecosystems
• Open Distributed Processing
• Operating Systems
• Operations Research
• OpNeTec - Optical Networks & Technologies Conference
• OPODIS - International Conference on Principles of Distributed Systems
• Optimal Algorithms

• ORDAL - Orders, Algorithms, and Applications
• ORE - OWL Reasoner Evaluation
• ORM - Object-Role Modelling

• OSC - Optical Super Computing
• OSDI - Operating Systems Design and Implementation
• OSS - Open Source Systems

• Österreichischer IT-Sicherheitstag

• OTM Conferences / Workshops

• OWLED - OWL: Experiences and Directions
• OWLED - W3C Web Ontology Language (OWL) Experiences and Directions Workshop

• OZCHI - Australasian Computer-Human Interaction Conference