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--- |
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configs: |
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- config_name: tokenized_data |
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data_files: "corpus_tokenized.csv" |
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- config_name: sources |
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data_files: "sources.csv" |
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- config_name: sentences_only |
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data_files: "corpus.csv" |
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- config_name: main_data |
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data_files: "corpus_level.csv" |
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default: true |
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license: cc-by-sa-4.0 |
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license_name: license |
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license_link: LICENSE |
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size_categories: |
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- 10M<n<100M |
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--- |
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### Summary |
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This dataset contains Japanese sentences, obtained from various online sources and processed in a way to make them more fit as example sentences for L2 Japanese (Japanese as a second language) learners. |
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### Data Fields |
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In the `main_data` configuration: |
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- `sentence` (`str`): a Japanese sentence. |
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- `level` (`str`): JLPT level of the sentence (attributed by a [text classifier](https://huggingface.co/bennexx/cl-tohoku-bert-base-japanese-v3-jlpt-classifier). Please keep in mind that the model has many limitations.) |
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In the `tokenized_data` configuration: |
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- `sentence` (`str`): a Japanese sentence. |
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- `sentence_tokenized` (`list`): list of the sentence's tokens as tokenized by `ja_ginza`. |
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- `sentence_tokenized_lemma` (`list`): same as above, but all tokens are lemmatized. |
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In the `sentences_only` configuration: |
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- `sentence` (`str`): a Japanese sentence. |
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In the `sources.csv` file: |
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- `source`: from this element's index and the next, sentences are found in `source`. |
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### Sources |
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- Levels 0~4 of the Japanese Web as Corpus 1.0. [jpWaC page](https://www.clarin.si/repository/xmlui/handle/11356/1047) |
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- Tatoeba sentences downloaded on 20/12/2023. [Tatoeba Project](https://tatoeba.org/en/downloads) |
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- Wikipedia dump downloaded on 01/12/2023. [jawiki-20231201-pages-articles-multistream.xml.bz2](https://dumps.wikimedia.org/jawiki/20231201/jawiki-20231201-pages-articles-multistream.xml.bz2) |
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### Dataset construction |
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Processing filters: |
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- Entries with multiple sentences have been expanded |
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- Removal of duplicates |
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- No more than 20% punctuation |
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- No more than 20% numbers |
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Additionally, processing applied only to Wikipedia sentences: |
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- No Latin/Russian/Arabic characters |
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- End in punctuation, and the last word is an adjective, verb, or auxilliary |
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### Some Stats |
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- 97% of sentences are from Japanese Wikipedia |
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- The average sentence length is 26 tokens |
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- The average Kanji ratio is 37% |
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### Licenses |
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The same licenses as the original works apply [WIP] |
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Cite |
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[WIP] |
