{'fraction_non_alphanumeric': 0.012371134020618556, 'fraction_numerical': 0.0, 'mean_word_length': 5.5675675675675675, 'pattern_counts': {'":': 0, '<': 0, '<?xml version=': 0, '>': 0, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
Versioning of learning objects

Learning objects are reusable pieces of educational material intended to be strung together to form larger educational units such as activities, lessons, or whole courses. These materials are stored in learning object repositories which can be distributed in nature. We outline the issues associated with creating derivative works based on learning objects in a general manner, and discuss the support that exists within current metadata specifications.