Towards a Conceptual Framework and Metamodel for Context-Aware Personal Cross-Media Information Management Systems
Information fragmentation is a well-known issue in personal information management (PIM). In order to overcome this problem, various PIM...
Web Services Composition in the Presence of Uncertainty
Recent years have witnessed a growing interest in using Web Services as a powerful means for data publishing and...
Software as a Social Artifact: A Management and Evolution Perspective
For many, software is just code, something intangible best defined in contrast with hardware, but it is not particularly...
Service Adaptability Analysis across Semantics and Behavior Levels Based on Model Transformation
Web service adaptability analysis is a prominent aspect of service adaptation. Current Petri net-based approaches focus on behavior-level service...
Prioritizing Consumer-Centric NFPs in Service Selection
Service Selection continues to be a challenge in Service Oriented Architecture (SOA). In this paper, we propose a consumer-centric...
Personal eHealth Knowledge Spaces though Models, Agents and Semantics
In this paper, we present a web-based platform that generates a Personal eHealth Knowledge Space as an aggregation of...
Lightweight Semantic Prototyper for Conceptual Modeling
While much research work was devoted to conceptual model quality validation techniques, most of the existing tools in this...
SQTime: Time-Enhanced Social Search Querying
In this paper, we present SQTime, a system for social search queries that exploit temporal information available in social...
A Semiotic Approach to Conceptual Modelling
The work on Conceptual Modelling performed by our group at PUC-Rio is surveyed, covering four mutually dependent research topics....
Ontological Patterns, Anti-Patterns and Pattern Languages for Next-Generation Conceptual Modeling
This paper addresses the complexity of conceptual modeling in a scenario in which semantic interoperability requirements are increasingly present....





