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CACDA: A knowledge graph for a context-aware cognitive design assistant
CACDA: یک گراف دانش برای دستیار طراحی شناختی زمینه آگاه-2021 The design of complex engineered systems highly relies on a laborious zigzagging between computeraided design (CAD) software and design rules prescribed by design manuals. Despite the emergence of
knowledge management techniques (ontology, expert system, text mining, etc.), companies continue to
store design rules in large and unstructured documents. To facilitate the integration of design rules and
CAD software, we propose a knowledge graph that structures a large set of design rules in a computable
format. The knowledge graph organises entities of design rules (nodes), relationships among design rules
(edges), as well as contextual information. The categorisation of entities and relationships in four subcontexts: semantic, social, engineering, and IT – facilitates the development of the data model, especially
the definition of the “design context” concept. The knowledge graph paves the way to a context-aware
cognitive design assistant. Indeed, connected to or embedded in a CAD software, a context-aware cognitive design assistant will capture the design context in near real time and run reasoning operations
on the knowledge graph to extend traditional CAD capabilities, such as the recommendation of design
rules, the verification of design solutions, or the automation of design routines. Our validation experiment shows that the current version of the context-aware cognitive design assistant is more efficient
than the traditional document-based design. On average, participants using an unstructured design rules
document have a precision of 0.36 whereas participants using our demonstrator obtain a 0.61 precision
score. Finally, designers supported by the design assistant spend more time designing than searching for
applicable design rules compared to the traditional design approach.
keywords: قانون طراحی | نمودار دانش | مدیریت دانش | آگاهی متقابل | دستیار شناختی | Design rule | Knowledge graph | Knowledge management | Context-awareness | Cognitive assistant |
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