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What is Conceptual Graphs

Chapter 20
Handbook of Research on Socio-Technical Design and Social Networking Systems
A knowledge modeling approach based on semantic networks and first-order logic, first introduced by Sowa, whereby knowledge is represented by concepts and relations linked together in a bipartite graph.
Published in Chapter:
Formal Analysis of Workflows in Software Development
Harry S. Delugach (University of Alabama in Huntsville, USA)
Copyright: © 2009 |Pages: 18
DOI: 10.4018/978-1-60566-264-0.ch020
Abstract
Automated tools are often used to support software development workflows. Many of these tools are aimed toward a development workflow that relies implicitly on particular supported roles and activities. Developers may already understand how a tool operates; however, developers do not always understand or adhere to a development process supported (or implied) by the tools, nor adhere to prescribed processes when they are explicit. This chapter is aimed at helping both developers and their managers understand and manage workflows by describing a preliminary formal model of roles and activities in software development. Using this purely descriptive model as a starting point, the authors evaluate some existing tools with respect to their description of roles in their processes, and finally show one application where process modeling was helpful to managers. We also introduce an extended model of problem status as an example of how formal models can enrich understanding of the software development process, based on the analysis of process roles
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Chapter 37
Socio-Technical Systems and Knowledge Representation
Conceptual graphs consist of a formal language to access knowledge and meaning. A conceptual graph is a graph or network of two kinds of nodes, concepts and relations. They have the full power of first-order logic and can represent model and higher-order logic. Conceptual graphs have a direct translation into natural language.
Published in Chapter: Socio-Technical Systems and Knowledge Representation; From: Handbook of Research on Socio-Technical Design and Social Networking Systems
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Chapter 21
OSIRIS: Ontology-Based System for Semantic Information Retrieval and Indexation Dedicated to Community and Open Web Spaces
Conceptual graphs (CGs) are a system of logic based on the existential graphs of Charles Sanders Peirce and the semantic networks of artificial intelligence. They express meaning in a form that is logically precise, humanly readable, and computationally tractable. With a direct mapping to language, conceptual graphs serve as an intermediate language for translating computer-oriented formalisms to and from natural languages. With their graphic representation, they serve as a readable, but formal design and specification language (J. Sowa).
Published in Chapter: OSIRIS: Ontology-Based System for Semantic Information Retrieval and Indexation Dedicated to Community and Open Web Spaces; From: Handbook of Research on Culturally-Aware Information Technology: Perspectives and Models
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