# Hierarchical Graph-Grammar Model for Secure and Efficient Handwritten Signatures Classification

> Research article (http://www.jucs.org/jucs_17_6/hierarchical_graph_grammar_model/jucs_17_06_0926_0943_piekarczyk.pdf, 2020) · cited 11× · AI/ML

**Wikidata**: [openalex:W2407709279](https://www.wikidata.org/wiki/openalex:W2407709279)  
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