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The work evaluates “sufficient anonymization” through case-based investigations and assesses methods for producing anonymously processed information. It investigates security control standards for information processing methods, clarifies relationships between anonymization approaches and resulting outputs, and surveys user acceptability. It also compiles practical rules for location data handled by telecommunications carriers.",{"@graph":69,"@context":123},[70,84,106],{"@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/fy2016-study-on-combining-appropriate-protection-of-privacy-with-social-use-of-location-data-report-summary-march-2017/268721/",{"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/fy2016-study-on-combining-appropriate-protection-of-privacy-with-social-use-of-location-data-report-summary-march-2017/268721.png","ImageObject",300,407,{"name":92,"@type":93},"Aria","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-17","2026-09-15",true,{"@type":102,"interactionType":103,"userInteractionCount":105},"InteractionCounter",{"@type":104},"ViewAction",11,{"@type":107,"mainEntity":108},"FAQPage",[109,115,119],{"name":110,"@type":111,"acceptedAnswer":112},"What is the main objective of the FY2016 study on location data?","Question",{"text":113,"@type":114},"To combine appropriate privacy protection with social use of location data by analyzing standards of “sufficient anonymization” and how anonymously processed information should be produced and managed.","Answer",{"name":116,"@type":111,"acceptedAnswer":117},"How does the study evaluate “sufficient anonymization”?",{"text":118,"@type":114},"It uses case-based investigations of anonymization approaches, assessing outputs using concepts such as k-anonymity and examining non-identifiability conditions and processing parameters.",{"name":120,"@type":111,"acceptedAnswer":121},"What outputs does the study compile for telecommunications carriers?",{"text":122,"@type":114},"It compiles rules for location data handled by telecommunications carriers, informed by the study’s findings and supplemented with use-case analysis and user acceptability results.","https://schema.org",{"og:url":83,"og:type":125,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":127,"canonical":83},"index,follow",{"doc_id":129,"site_id":62},268721,1789435644,{"code":4,"msg":5,"data":132},{"doc_id":129,"user_id":133,"nickname":92,"user_avatar":134,"doc_module":4,"category_id":39,"category_name":40,"doc_title":65,"doc_description":67,"doc_content":135,"file_id":136,"file_url":137,"file_type":138,"file_size":139,"view_count":105,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":140,"language":141,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":142,"faqs":143,"seo_title":144,"seo_description":67,"update_tm":130,"read_time":145,"preview_page_count":4},2336464648322,"https://ap-avatar.wpscdn.com/avatar/2200025388227c56fec?_k=1778556882303663488","FY2016 Study on Combining Appropriate Protection of Privacy with Social Use of Location Data  \nReport Summary  \nMarch 2017  \nNOMURA RESEARCH INSTITUTE, LTD.  \n1. Study outline  \n2. Study findings  \n① Use case-based investigation of “sufficient anonymization” and methods of producing anonymously processed information  \n② Investigation of standards for security control measures for information on processing methods, etc.  \n③ Relationships between “sufficient anonymization” and methods of producing anonymously processed information  \n④ Survey of acceptability to users  \n⑤ Compilation of rules on location data handled by telecommunications carriers  \n3. Future directions  \n Copyright (C) Nomura Research Institute, Ltd. All rights reserved. 1  \n1. Background and objectives  \n􀁺 The “Location Information Privacy Report” released in FY2014 stated that empirical research and testing should be conducted to investigate standards of “sufficient anonymization” and to evaluate and verify the suitability of methods of processing and management and operational arrangements for the handling of location data protected by the principle of secrecy of communications. A study looking into specific use cases was therefore conducted in FY2015 .  \n􀁺 Building on past findings, the present study considered a wider range of use cases in order to conduct a more in-depth analysis of “sufficient anonymization” and investigate anonymously processed information as provided for by the amended Personal Information Protection Act. Rules were then compiled based on the findings.  \n2. Main elements of study  \n① Use case-based investigation of “sufficient anonymization” and methods of producing anonymously processed information  \n② Investigation of standards for security control measures for information on processing methods, etc.  \n③ Relationships between “sufficient anonymization” and methods producing anonymously processed information  \n④ Survey of acceptability to users  \n⑤ Compilation of rules on location data handled by telecommunications carriers  \n3. Establishment of consultative council  \n􀁺 A consultative council was established and met four times. The council consisted of five experts in fields including privacy of communications, privacy protection, anonymization technologies, and telecommunications policy, and included as observers the secretariat of the Personal Information Protection Commission of Japan, telecommunications carriers, and other interested bodies.  \nCouncil composition  \nMembers  \n􀁺 Ryoji Mori* Attorney-at-law, Eichi Law Offices  \n􀁺 Shinsuke Ito Associate Professor, Faculty of Economics, Chuo University  \n􀁺 Ichiro Satoh Professor, National Institute of Informatics  \n􀁺 Katsumi Takahashi Executive Research Scientist, NTT Secure Platform Laboratories  \n􀁺 Toshiro Hikita Senior Researcher, Toyota InfoTechnology Center  \n*Study leader  \nObservers  \n􀁺 Secretariat of the Personal Information Protection Commission, Japan  \n􀁺 Telecommunications Carriers Association (TCA)  \n􀁺 Japan Data Communications Association  \n􀁺 NTT DOCOMO, Inc.  \n􀁺 KDDI Corp.  \n􀁺 Softbank Corp.  \n􀁺 NTT Broadband Platform, Inc.  \nSecretariat  \n􀁺 Second Telecommunications Consumer Policy Division, Telecommunications Business Department, Telecommunications Bureau, Ministry of Internal Affairs and Communications (MIC)  \n􀁺 Nomura Research Institute, Ltd.  \n Copyright (C) Nomura Research Institute, Ltd. All rights reserved. 2  \n2. Study findings  \n(1) Use case-based investigation of “sufficient anonymization” and methods of producing anonymously processed information: the use cases  \n􀂄 Commercial use case  \n􀁺 Data assumed to be used for analysis of store market areas and sales promotion activities such as marketing support services.  \n􀁺 Location data on a general office and commercial area of a city center visited by the general public, converted to  \n500 m, 250 m, and 125 m resolution grids to analyze movement between grid cells.  \n􀁺 Analysis of location data supplemented by data ","cbCaihpAtxhknr5U","https://ap.wps.com/l/cbCaihpAtxhknr5U","pdf",460767,14,"English","# Study outline\n## Use case-based investigation of “sufficient anonymization” and methods of producing anonymously processed information\n## Investigation of standards for security control measures\n## Relationships between “sufficient anonymization” and methods\n## Survey of acceptability to users\n## Compilation of rules on location data handled by telecommunications carriers\n# Study findings\n## Commercial use case\n## Tourism use case\n## Key points regarding processing methods and identification of likely outputs\n# Establishment of consultative council\n## Council composition\n# Future directions","[{\"question\":\"What is the main objective of the FY2016 study on location data?\",\"answer\":\"To combine appropriate privacy protection with social use of location data by analyzing standards of “sufficient anonymization” and how anonymously processed information should be produced and managed.\"},{\"question\":\"How does the study evaluate “sufficient anonymization”?\",\"answer\":\"It uses case-based investigations of anonymization approaches, assessing outputs using concepts such as k-anonymity and examining non-identifiability conditions and processing parameters.\"},{\"question\":\"What outputs does the study compile for telecommunications carriers?\",\"answer\":\"It compiles rules for location data handled by telecommunications carriers, informed by the study’s findings and supplemented with use-case analysis and user acceptability results.\"}]","FY2016 Study on Combining Appropriate Protection of Privacy with Social Use of Location Data - Report Summary - March 2017 | PDF",35]