{"_buckets": {"deposit": "2eb82554-49d5-4751-83b3-00ef6dce846c"}, "_deposit": {"id": "49047", "owners": [], "pid": {"revision_id": 0, "type": "depid", "value": "49047"}, "status": "published"}, "_oai": {"id": "oai:repository.dl.itc.u-tokyo.ac.jp:00049047", "sets": ["7709", "7708"]}, "item_4_alternative_title_1": {"attribute_name": "その他のタイトル", "attribute_value_mlt": [{"subitem_alternative_title": "