OQM9HK: A Large-scale Graph Dataset for Machine Learning in Materials Science

DOI10.5281/zenodo.7124330Zenodo7124330MaRDI QIDQ6711365

Dataset published at Zenodo repository.

Author name not available (Why is that?)

Publication date: 30 September 2022

Copyright license: No records found.

Description

Thisis a large-scale graph dataset of materials sciencebased onthe Open Quantum Materials Database (OQMD) v1.5 . Technical Report RIMCS Website Data Loading A Python code example: import sys sys.path.append('/your/path/to/data/OQM9HK_BEL') import OQM9HK bel_path='/your/path/to/data/OQM9HK_BEL' config = OQM9HK.load_config(path=bel_path) print(config['atomic_numbers']) split = OQM9HK.load_split(path=bel_path) print(len(split['train']), len(split['val']), len(split['test'])) graph_data = OQM9HK.load_graph_data(path=bel_path) name = next(iter(graph_data)) # Frist entry's name graph = graph_data[name] # Graph object print(graph.nodes) print(graph.edge_sources) print(graph.edge_targets) dataset = OQM9HK.load_targets(path=bel_path) # Pandas dataframe print(dataset) train_set = dataset.iloc[split['train']] val_set = dataset.iloc[split['val']] test_set = dataset.iloc[split['test']]

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