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It outlines a comprehensive set of instructions and rules for processing documents, including text extraction from images, language detection, and the generation of structured metadata. The document details stringent requirements for various fields such as title, language identification, abstract generation, keyword extraction, table of contents creation, and frequently asked questions. Particular emphasis is placed on language consistency across all generated fields, adhering to specific formatting guidelines for titles, and ensuring the accuracy and relevance of the extracted information. The primary objective is to provide a standardized and robust methodology for transforming unstructured document content into machine-readable metadata for enhanced document management and retrieval.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":40,"@type":76,"position":81},"https://docshare.wps.com/document/research-report/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/document-metadata-extraction-multimodal/183328/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/document-metadata-extraction-multimodal/183328.png","ImageObject",300,407,{"name":92,"@type":93},"Arica Lee","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-17","2026-09-02",true,{"@type":102,"interactionType":103,"userInteractionCount":29},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What is the main purpose of this document?","Question",{"text":112,"@type":113},"The main purpose is to describe the methodology and rules for extracting structured metadata from documents, especially those containing both text and images.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What are the critical language rules mentioned for metadata extraction?",{"text":117,"@type":113},"All text fields must be in the dominant detected language of the document, except for `title_en`. Language consistency is mandatory across title, abstract, keywords, TOC, and FAQs.",{"name":119,"@type":110,"acceptedAnswer":120},"How are titles to be formatted and constrained?",{"text":121,"@type":113},"Titles must be in the document's original language, use hyphens for separation of components, and be 100 characters or fewer. Specific feature identifiers are recognized and formatted accordingly.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},183328,1788352205,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":39,"category_name":40,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":29,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":39,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":129,"read_time":46,"preview_page_count":4},8796096645457,"https://ap-avatar.wpscdn.com/avatar/800003749518d68ffe3?x-image-process=image/resize,m_fixed,w_180,h_180&k=1779345340919836971","| Features | Accuracy (UIUC) | Accuracy (c.v.) |\n| --- | --- | --- |\n\n\n| PT BOW PAS\u003Cbr>POS\u003Cbr>PT+BOW\u003Cbr>PT+BOW+POS\u003Cbr>PAS+BOW\u003Cbr>PAS+BOW+POS | 90.4\u003Cbr>90.6\u003Cbr>34.2\u003Cbr>26.4\u003Cbr>91.8\u003Cbr>91.8\u003Cbr>90.0\u003Cbr>88.8 | 84.8􀀆1.2\u003Cbr>84.7􀀆1.2\u003Cbr>43.0􀀆1.9\u003Cbr>32.4􀀆2.1\u003Cbr>86.1􀀆1.1\u003Cbr>84.7􀀆1.5\u003Cbr>82.1􀀆1.3\u003Cbr>81.0􀀆1.5 |\n| --- | --- | --- |\n\n| ✗\u003Cbr>✛\u003Cbr>✚✙\u003Cbr>✘✗\u003Cbr>✖\u003Cbr>✕\u003Cbr>✔\u003Cbr>✓ | 􀀀 ✝ ✂ ☎\u003Cbr>􀀀 ✝ ✂ ✄\u003Cbr>􀀀 ✆ ✂ ☎\u003Cbr>􀀀 ✆ ✂ ✄\u003Cbr>􀀀 􀀀 ✂ ☎\u003Cbr>􀀀 􀀀 ✂ ✄\u003Cbr>􀀀 ☎ ✂ ☎\u003Cbr>􀀀 ☎ ✂ ✄\u003Cbr>􀀀 ✁ ✂ ☎\u003Cbr>􀀀 ✁ ✂ ✄ | |\n| --- | --- | --- |\n| ✞ ✂ ☎ ✟ ✂ ✄ ✟ ✂ ☎ ✠ ✂ ✄ ✠ ✂ ☎ ✁ ✂ ✄ ✁ ✂ ☎ ☎ ✂ ✄ ☎ ✂ ☎ 􀀀 ✂ ✄ 􀀀 ✂ ☎ ✆ ✂ ✄\u003Cbr>✡ ☛ ☞ ✌ ✍ ✎ ✏ ✑ ✌ ☛ ✒ |  |  |\n\n|  |  |  |  |  |  |  |  |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n|  |  |  | | |  |  |  |  |  |  |  |  |\n|  |  |  |  | | |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |  |  |  |\n|  |  |  |  | | |  |  |  no pq | rs tuo\u003Cbr>rs tuo | vu wsvuw xs |  |  |\n|  |  |  | |  |  | |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  | |  |  |  |  |\n|  |  |  |  |  |  |  |  | | |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |  |  |  |\n\n| Baseline | P | R | F | 1-measure |\n| --- | --- | --- | --- | --- |\n| Gg@5\u003Cbr>QA@5 | 39.22􀀆3 .59\u003Cbr>39.72􀀆3 .44 | 33.15􀀆4.22\u003Cbr>34.22􀀆3.63 | 35.92􀀆3.95\u003Cbr>36.76􀀆3.56 |  |\n| Gg@all\u003Cbr>QA@all | 31.58􀀆0.58\u003Cbr>31.58􀀆0.58 | 100\u003Cbr>100 | 48.02􀀆0.67\u003Cbr>48.02􀀆0.67 |  |\n\n\n|  | Gg | QA | Re | -ranker |\n| --- | --- | --- | --- | --- |\n| MRR | 48.97􀀆3.77 | 56.21􀀆3.18 | 81.12􀀆2.12 |  |","cbCais5jDSW9bCrG","https://ap.wps.com/l/cbCais5jDSW9bCrG","pdf",176347,"English","# Document Metadata Extraction (Multimodal)","[{\"question\":\"What is the main purpose of this document?\",\"answer\":\"The main purpose is to describe the methodology and rules for extracting structured metadata from documents, especially those containing both text and images.\"},{\"question\":\"What are the critical language rules mentioned for metadata extraction?\",\"answer\":\"All text fields must be in the dominant detected language of the document, except for `title_en`. Language consistency is mandatory across title, abstract, keywords, TOC, and FAQs.\"},{\"question\":\"How are titles to be formatted and constrained?\",\"answer\":\"Titles must be in the document's original language, use hyphens for separation of components, and be 100 characters or fewer. Specific feature identifiers are recognized and formatted accordingly.\"}]","Document Metadata Extraction (Multimodal) | PDF"]