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This paper discusses the cover problems corresponding to the lower bounded p-collection problem. We consider the complexity of the cover problem, and we show polynomial time algorithms for its subproblems in a network with tree structure.", "subitem_description_type": "Abstract"}]}, "item_5_full_name_3": {"attribute_name": "\u8457\u8005\u5225\u540d", "attribute_value_mlt": [{"nameIdentifiers": [{"nameIdentifier": "6152", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "\u4ed9\u77f3, \u6b63\u548c"}]}]}, "item_5_publisher_7": {"attribute_name": "\u51fa\u7248\u8005", "attribute_value_mlt": [{"subitem_publisher": "The Institute of Electronics, Information and Communication Engineers"}]}, "item_5_relation_31": {"attribute_name": "\u7570\u7248\u3067\u3042\u308b", "attribute_value_mlt": [{"subitem_relation_type": "isVersionOf", "subitem_relation_type_id": {"subitem_relation_type_id_text": "http://www.ieice.org/jpn/trans_online/", "subitem_relation_type_select": "URI"}}]}, "item_5_rights_15": {"attribute_name": "\u6a29\u5229", "attribute_value_mlt": [{"subitem_rights": "copyright\u00a91998 IEICE"}]}, "item_5_select_19": {"attribute_name": "\u8457\u8005\u7248\u30d5\u30e9\u30b0", "attribute_value_mlt": [{"subitem_select_item": "publisher"}]}, "item_5_source_id_11": {"attribute_name": "\u66f8\u8a8c\u30ec\u30b3\u30fc\u30c9ID", "attribute_value_mlt": [{"subitem_source_identifier": "AA10826239", "subitem_source_identifier_type": "NCID"}]}, "item_5_source_id_9": {"attribute_name": "ISSN", "attribute_value_mlt": [{"subitem_source_identifier": "09168508", "subitem_source_identifier_type": "ISSN"}]}, "item_creator": {"attribute_name": "\u8457\u8005", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "Watanabe, Kaoru"}], "nameIdentifiers": [{"nameIdentifier": "6148", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Sengoku, Masakazu"}], "nameIdentifiers": [{"nameIdentifier": "6149", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Tamura, Hiroshi"}], "nameIdentifiers": [{"nameIdentifier": "6150", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Shinoda, Shoji"}], "nameIdentifiers": [{"nameIdentifier": "5445", "nameIdentifierScheme": "WEKO"}]}]}, "item_files": {"attribute_name": "\u30d5\u30a1\u30a4\u30eb\u60c5\u5831", "attribute_type": "file", "attribute_value_mlt": [{"accessrole": "open_date", "date": [{"dateType": "Available", "dateValue": "2019-07-29"}], "displaytype": "detail", "download_preview_message": "", "file_order": 0, "filename": "e81-a_3_470.pdf", "filesize": [{"value": "540.5 kB"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensetype": "license_free", "mimetype": "application/pdf", "size": 540500.0, "url": {"label": "e81-a_3_470.pdf", "url": "https://niigata-u.repo.nii.ac.jp/record/1903/files/e81-a_3_470.pdf"}, "version_id": "22df8fce-de2e-4189-8100-e5a04851c1c5"}]}, "item_keyword": {"attribute_name": "\u30ad\u30fc\u30ef\u30fc\u30c9", "attribute_value_mlt": [{"subitem_subject": "location problem", "subitem_subject_scheme": "Other"}, {"subitem_subject": "network flows", "subitem_subject_scheme": "Other"}, {"subitem_subject": "NP-complete", "subitem_subject_scheme": "Other"}, {"subitem_subject": "optimization problem", "subitem_subject_scheme": "Other"}]}, "item_language": {"attribute_name": "\u8a00\u8a9e", "attribute_value_mlt": [{"subitem_language": "eng"}]}, "item_resource_type": {"attribute_name": "\u8cc7\u6e90\u30bf\u30a4\u30d7", "attribute_value_mlt": [{"resourcetype": "journal article", "resourceuri": "http://purl.org/coar/resource_type/c_6501"}]}, "item_title": "Covering Problems in the p-Collection Problems", "item_titles": {"attribute_name": "\u30bf\u30a4\u30c8\u30eb", "attribute_value_mlt": [{"subitem_title": "Covering Problems in the p-Collection Problems"}, {"subitem_title": "Covering Problems in the p-Collection Problems", "subitem_title_language": "en"}]}, "item_type_id": "5", "owner": "1", "path": ["453/454", "423/424/425"], "permalink_uri": "http://hdl.handle.net/10191/6526", "pubdate": {"attribute_name": "\u516c\u958b\u65e5", "attribute_value": "2008-07-31"}, "publish_date": "2008-07-31", "publish_status": "0", "recid": "1903", "relation": {}, "relation_version_is_last": true, "title": ["Covering Problems in the p-Collection Problems"], "weko_shared_id": null}