Question: he use of existing information in books articles and electronic databases is known as
[{'answer': 'digital library', 'provenance': [{'wikipedia_id': '18934863', 'title': 'Digital library', 'start_paragraph_id': 1, 'start_character': 2, 'end_paragraph_id': 1, 'end_character': 17, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'digital collection', 'provenance': [{'wikipedia_id': '18934863', 'title': 'Digital library', 'start_paragraph_id': 1, 'start_character': 42, 'end_paragraph_id': 1, 'end_character': 60, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '18934863', 'title': 'Digital library', 'start_paragraph_id': 1, 'start_character': 2, 'end_paragraph_id': 1, 'end_character': 495, 'bleu_score': 0.9033515796632721, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14596848119787638025}, 'section': 'Section::::Abstract.'}]}]