A GNN-based Recommender System to Assist the Specification of Metamodels and Models
Nowadays, while modeling environments provide users with facilities to specify different kinds of artifacts, e.g., metamodels, models, and transformations, the possibility of learning from previous modeling experiences and being assisted during modeling tasks remains largely unexplored. In this paper, we propose MORGAN, a recommender system based on a graph neural network (GNN) to assist modelers in performing the specification of metamodels and models. The (meta)model being specified, and the training data are encoded in a graph-based format by exploiting natural language processing (NLP) techniques. Afterward, a graph kernel function uses the extracted graphs to provide modelers with relevant recommendations to complete the partially specified (meta)models. We evaluated MORGAN on real-world datasets using various quality metrics, i.e., precision, recall, and F-measure. The obtained results are encouraging and demonstrate the feasibility of our tool to support modelers while specifying metamodels and models.
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|A GNN-based Recommender System to Assist the Specification of Metamodels and ModelsFT|
Juri Di Rocco University of L'Aquila, Claudio Di Sipio University of L'Aquila, Davide Di Ruscio University of L'Aquila, Phuong T. Nguyen University of L’AquilaPre-print
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