Papers › Towards Automatically Extracting UML Class Diagrams from Natural Language Specifications

Towards Automatically Extracting UML Class Diagrams from Natural Language Specifications

26 Oct 2022arXiv:2210.14441archive 2025-07-28

Song Yang, Houari Sahraoui

In model-driven engineering (MDE), UML class diagrams serve as a way to plan and communicate between developers. However, it is complex and resource-consuming. We propose an automated approach for the extraction of UML class diagrams from natural language software specifications. To develop our approach, we create a dataset of UML class diagrams and their English specifications with the help of volunteers. Our approach is a pipeline of steps consisting of the segmentation of the input into sentences, the classification of the sentences, the generation of UML class diagram fragments from sentences, and the composition of these fragments into one UML class diagram. We develop a quantitative testing framework specific to UML class diagram extraction. Our approach yields low precision and recall but serves as a benchmark for future research.

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