{"id":15011569,"url":"https://github.com/sappho192/bertjapanesetokenizer","last_synced_at":"2026-03-10T06:32:11.067Z","repository":{"id":217780604,"uuid":"744795405","full_name":"sappho192/BertJapaneseTokenizer","owner":"sappho192","description":"Minimal Tokenizer implementation of BertJapanese(cl-tohoku/bert-base-japanese) in C#","archived":false,"fork":false,"pushed_at":"2024-09-06T16:15:52.000Z","size":47,"stargazers_count":2,"open_issues_count":1,"forks_count":0,"subscribers_count":1,"default_branch":"main","last_synced_at":"2024-10-14T03:02:56.991Z","etag":null,"topics":["bert","bert-japanese","csharp","dotnet","library","nuget","tokenizer"],"latest_commit_sha":null,"homepage":"","language":"C#","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/sappho192.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2024-01-18T02:38:21.000Z","updated_at":"2024-09-06T16:15:55.000Z","dependencies_parsed_at":"2024-01-18T08:13:04.643Z","dependency_job_id":"22875c35-d7c6-444a-ade6-261991288712","html_url":"https://github.com/sappho192/BertJapaneseTokenizer","commit_stats":{"total_commits":33,"total_committers":1,"mean_commits":33.0,"dds":0.0,"last_synced_commit":"c6b47e9ccd6bad038b8796c644e5a094dd70b131"},"previous_names":["sappho192/bertjapanesetokenizer"],"tags_count":6,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/sappho192%2FBertJapaneseTokenizer","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/sappho192%2FBertJapaneseTokenizer/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/sappho192%2FBertJapaneseTokenizer/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/sappho192%2FBertJapaneseTokenizer/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/sappho192","download_url":"https://codeload.github.com/sappho192/BertJapaneseTokenizer/tar.gz/refs/heads/main","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":219849426,"owners_count":16556324,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["bert","bert-japanese","csharp","dotnet","library","nuget","tokenizer"],"created_at":"2024-09-24T19:41:16.145Z","updated_at":"2026-03-08T01:30:17.822Z","avatar_url":"https://github.com/sappho192.png","language":"C#","funding_links":[],"categories":[],"sub_categories":[],"readme":"# BertJapaneseTokenizer\nMinimal Tokenizer implementation of BertJapanese([cl-tohoku/bert-base-japanese](https://github.com/cl-tohoku/bert-japanese)) in C#\n\n# Quickstart\n1. Just add `BertJapaneseTokenizer` package from Nuget.\n2. Download unidic mecab dictionary `unidic-mecab-2.1.2_bin.zip` from https://clrd.ninjal.ac.jp/unidic_archive/cwj/2.1.2/ and unzip the archive into somewhere.\n3. Download vocab file BertJapanese from Huggingface. For example, `vocab.txt` of bert-base-japanese-v2 can be accessed from [[here](https://huggingface.co/tohoku-nlp/bert-base-japanese-v2/tree/main)].  \n**(Or you can simply use my extension method `GetVocabFromHub()`. See the example below.)**\n4. Check the example code below and you are good to go.\n\n```CSharp\nusing BertJapaneseTokenizer;\n\nvar dicPath = @\"D:\\DATASET\\unidic-mecab-2.1.2_bin\";\n//var vocabPath = @\"D:\\DATASET\\bert-japanese\\bert-base-japanese-v2\\vocab.txt\";\nvar vocabPath = await HuggingFace.GetVocabFromHub(\"tohoku-nlp/bert-base-japanese-v2\");\nvar tokenizer = new BertJapaneseTokenizer.BertJapaneseTokenizer(dicPath, vocabPath);\n\nvar sentence = \"打ち合わせが終わった後にご飯を食べましょう。\";\n//var sentence = \"ご飯を食べましょう。\";\n//var sentence = \"打ち合わせ\";\n\n(var tokenIds, var attentionMask) = tokenizer.EncodePlus(sentence);\n\nConsole.WriteLine($\"Sentence: {sentence}\");\nConsole.WriteLine($\"Token IDs: {string.Join(\", \", tokenIds)}\");\n\nvar decoded = tokenizer.Decode(tokenIds);\nConsole.WriteLine($\"Decoded: {decoded}\");\n```\n\n# To-do List\n- [x] Implement Decode() method\n- [ ] Support BPE-type vocabulary (like `cl-tohoku/bert-base-japanese-char`)\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fsappho192%2Fbertjapanesetokenizer","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fsappho192%2Fbertjapanesetokenizer","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fsappho192%2Fbertjapanesetokenizer/lists"}