{"_buckets": {"deposit": "4e1b7a82-83bb-44b1-a4af-686bae6016af"}, "_deposit": {"id": "31902", "owners": [], "pid": {"revision_id": 0, "type": "depid", "value": "31902"}, "status": "published"}, "_oai": {"id": "oai:repository.dl.itc.u-tokyo.ac.jp:00031902", "sets": ["4376", "4375"]}, "item_4_alternative_title_1": {"attribute_name": "その他のタイトル", "attribute_value_mlt": [{"subitem_alternative_title": "