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In this paper we introduce the MiNgMatch Segmenter\u2014a fast word segmentation algorithm, which reduces the problem of identifying word boundaries to finding the shortest sequence of lexical n-grams matching the input text. In order to validate our method in a low-resource scenario involving extremely sparse data, we tested it with a small corpus of text in the critically endangered language of the Ainu people living in northern parts of Japan. Furthermore, we performed a series of experiments comparing our algorithm with systems utilizing state-of-the-art lexical n-gram-based language modelling techniques (namely, Stupid Backoff model and a model with modified Kneser-Ney smoothing), as well as a neural model performing word segmentation as character sequence labelling. The experimental results we obtained demonstrate the high performance of our algorithm, comparable with the other best-performing models. Given its low computational cost and competitive results, we believe that the proposed approach could be extended to other languages, and possibly also to other Natural Language Processing tasks, such as speech recognition.", "subitem_description_type": "Abstract"}]}, "item_3_full_name_183": {"attribute_name": "\u8457\u8005\u5225\u540d", "attribute_value_mlt": [{"nameIdentifiers": [{"nameIdentifier": "90352", "nameIdentifierScheme": "WEKO"}, {"nameIdentifier": "9000006924461", "nameIdentifierScheme": "CiNii ID", "nameIdentifierURI": "http://ci.nii.ac.jp/nrid/9000006924461"}, {"nameIdentifier": "60711504", "nameIdentifierScheme": "KAKEN - \u7814\u7a76\u8005\u691c\u7d22", "nameIdentifierURI": "https://nrid.nii.ac.jp/ja/nrid/1000060711504/"}], "names": [{"name": "\u30d7\u30bf\u30b7\u30f3\u30b9\u30ad, \u30df\u30cf\u30a6"}]}, {"nameIdentifiers": [{"nameIdentifier": "304", "nameIdentifierScheme": "WEKO"}, {"nameIdentifier": "80324549", "nameIdentifierScheme": "KAKEN - \u7814\u7a76\u8005\u691c\u7d22", "nameIdentifierURI": "https://nrid.nii.ac.jp/ja/nrid/1000080324549/"}], "names": [{"name": "\u685d\u4e95, \u6587\u4eba"}]}]}, "item_3_publisher_212": {"attribute_name": "\u51fa\u7248\u8005", "attribute_value_mlt": [{"subitem_publisher": "MDPI"}]}, "item_3_relation_191": {"attribute_name": "DOI", "attribute_value_mlt": [{"subitem_relation_type_id": {"subitem_relation_type_id_text": "https://doi.org/10.3390/info10100317", "subitem_relation_type_select": "DOI"}}]}, "item_3_select_195": {"attribute_name": "\u8457\u8005\u7248\u30d5\u30e9\u30b0", "attribute_value_mlt": [{"subitem_select_item": "publisher"}]}, "item_3_source_id_187": {"attribute_name": "ISSN", "attribute_value_mlt": [{"subitem_source_identifier": "2078-2489", "subitem_source_identifier_type": "ISSN"}]}, "item_creator": {"attribute_name": "\u8457\u8005", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "Nowakowski, Karol"}], "nameIdentifiers": [{"nameIdentifier": "90480", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Ptaszynski, Michal"}], "nameIdentifiers": [{"nameIdentifier": "90424", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Masui, Fumito"}], "nameIdentifiers": [{"nameIdentifier": "90367", "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": "2020-11-02"}], "displaytype": "detail", "download_preview_message": "", "file_order": 0, "filename": "Information 2019, 10(10), 317.pdf", "filesize": [{"value": "362.8 kB"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensetype": "license_6", "mimetype": "application/pdf", "size": 362800.0, "url": {"label": "Information 2019, 10(10), 317", "url": "https://kitami-it.repo.nii.ac.jp/record/8938/files/Information 2019, 10(10), 317.pdf"}, "version_id": "e3c6027b-9aea-45a5-930b-2f67aecb5474"}]}, "item_keyword": {"attribute_name": "\u30ad\u30fc\u30ef\u30fc\u30c9", "attribute_value_mlt": [{"subitem_subject": "word segmentation", "subitem_subject_scheme": "Other"}, {"subitem_subject": "tokenization", "subitem_subject_scheme": "Other"}, {"subitem_subject": "language modelling", "subitem_subject_scheme": "Other"}, {"subitem_subject": "n-gram models", "subitem_subject_scheme": "Other"}, {"subitem_subject": "Ainu language", "subitem_subject_scheme": "Other"}, {"subitem_subject": "endangered languages", "subitem_subject_scheme": "Other"}, {"subitem_subject": "under-resourced languages", "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": "MiNgMatch\u2014A Fast N-gram Model for Word Segmentation of the Ainu Language", "item_titles": {"attribute_name": "\u30bf\u30a4\u30c8\u30eb", "attribute_value_mlt": [{"subitem_title": "MiNgMatch\u2014A Fast N-gram Model for Word Segmentation of the Ainu Language"}]}, "item_type_id": "3", "owner": "1", "path": ["1/87"], "permalink_uri": "https://kitami-it.repo.nii.ac.jp/records/8938", "pubdate": {"attribute_name": "\u516c\u958b\u65e5", "attribute_value": "2020-11-02"}, "publish_date": "2020-11-02", "publish_status": "0", "recid": "8938", "relation": {}, "relation_version_is_last": true, "title": ["MiNgMatch\u2014A Fast N-gram Model for Word Segmentation of the Ainu Language"], "weko_shared_id": 3}