Presenting the proceedings of a symposium held in Palermo, Italy in September 1994, this volume contains research papers covering technical areas of object-orientation, such as databases, programming languages and methodological aspects, as well as a number of application areas.

Issues in extending a relational system with object-oriented features.- A SQL-like query calculus for object-oriented database systems.- Schema evolution for object-based accounting database systems.- Designing and implementing inter-client communication in the O 2 object-oriented database management system.- Rigorous object-oriented analysis.- Object oriented methodologies for large scale projects: Does it work?.- Quantitative and qualitative aspects of object-oriented software development.- Towards a general purpose approach to object-oriented analysis.- A seamless model for object-oriented systems development.- Structural and behavioural views on OMT-classes.- Combining two approaches to object-oriented analysis.- A rewriting technique for implementing active object systems.- Beyond coupling modes.- Testing of object-oriented programming systems (OOPS): A fault-based approach.- An ambiguity resolution algorithm.- On providing a high-level C interface for an object-oriented, C++ system.- Integrating objects with constraint-programming languages.- Object-oriented representation of shape information.- The development of an Object-Oriented Multimedia Information System.- An intelligent information system for heterogeneous data exploration.- Effective optimistic concurrency control in multiversion object bases.- Reusing object oriented design: An algebraic approach.- Reuse in object-oriented Information Systems development.- An object-oriented approach to the integration of online services into Office Automation environments.- A linguistic approach to the development of Object Oriented Systems using the NL system LOLITA.