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license: cc-by-nc-nd-4.0
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license: cc-by-nc-nd-4.0
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---
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# 논문 메타데이터 추출 데이터(Extraction data from paper metadata)
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## Outline
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- The data for extracting metadata from PDF domestic papers.
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- The data contains information in layout box extracted from each PDF paper with labels corresponding to metadata field types.
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- The information in each layout box are unique code, text, coordinates(x0, y0, x1, y1) of box, width of box, height of box and font size.
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- The file named as “train.txt” was constructed through the fully automatic inspection process. It contains a total of 5,241,746 labeled layout boxes for 295,306 papers in 503 journals. It was used as train set.
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- The file named as “valid.txt” was developed through the manual inspection process by several annotators. It contains a total of 155,629 labeled layout boxes for 9,895 papers in 503 journals.
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- The file named as “test.txt” was built through the manual inspection process. It contains a total of 159,925 labeled layout boxes for 10,119 papers in 503 journals. It was used as test set.
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## Data format(TXT)
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- In the files, each layout box is separated by a newline. And each paper is separated by two newlines
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- The data structure of each layout box is as follows :
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"Unique code"(\t)"Metadata label"(\t)"Text"(\t)"x0 value "(\s)"y0 value"(\s)"x1value"(\s)"y1value"(\s)"width value" (\s)"height value"(\s)"font size"
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|No.|Metadata Fields|Label|
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|--|--|--|
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|1|Title(in Korean)|title_ko|
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|2|Title(in English)|title_en|
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|3|Author Name(in Korean)|author_name_ko|
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|4|Author Name(in English)|author_name_en|
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|5|Author Affiliation(in Korean)|ko_org|
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|6|Author Affiliation(in English)|en_org|
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|7|Abstract(in Korean)|abstract_ko|
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|8|Abstract(in English)|abstract_en|
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|9|Keywords(in Korean)|kwds_ko|
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|10|Keywords(in English)|kwds_en|
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|11|DOI|doi|
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|12|Journal name|journal|
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|13|Out of Boundary|O|
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## Data statistics
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|Data|File name|#Journal|#Paper|#Layout Box|
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|--|--|--|--|--|
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|Train set|train.txt|503|295,306|5,241,746 |
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|Valid set|valid.txt|503|9,895|155,629|
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|Test set|test.txt|503|10,119|159,925|
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## Data download
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http://doi.org/10.23057/48
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