{"cited_by_count":7693,"description":"This cluster of papers focuses on the management, use, and impact of grey literature in research, including topics such as research information systems, CERIF data model, open access repositories, metadata extraction, XML editors, and library circulation systems. It also explores the role of grey literature in scientific communication and the development of optical-electronic systems for various applications.","display_name":"Optics and Image Analysis","domain_id":"2","external_ids":{"openalex":"https://openalex.org/T14320","wikipedia":"https://en.wikipedia.org/wiki/Grey_literature"},"field_id":"14","id":"T14320","keywords":[{"display_name":"grey literature","id":"grey-literature","score":0.4449,"url":"https://openalex.org/keywords/grey-literature"},{"display_name":"research information systems","id":"research-information-systems","score":0.4187,"url":"https://openalex.org/keywords/research-information-systems"},{"display_name":"research information management","id":"research-information-management","score":0.33,"url":"https://openalex.org/keywords/research-information-management"},{"display_name":"CERIF","id":"cerif","score":0.6563,"url":"https://openalex.org/keywords/cerif"},{"display_name":"DSpace-CRIS","id":"dspace-cris","score":0.6487,"url":"https://openalex.org/keywords/dspace-cris"},{"display_name":"GreyNet","id":"greynet","score":0.7329,"url":"https://openalex.org/keywords/greynet"},{"display_name":"non-traditional information sources","id":"non-traditional-information-sources","score":0.7652,"url":"https://openalex.org/keywords/non-traditional-information-sources"},{"display_name":"euroCRIS","id":"eurocris","score":0.712,"url":"https://openalex.org/keywords/eurocris"},{"display_name":"NASA STI Program Office","id":"nasa-sti-program-office","score":0.271,"url":"https://openalex.org/keywords/nasa-sti-program-office"},{"display_name":"technical memorandums","id":"technical-memorandums","score":0.4401,"url":"https://openalex.org/keywords/technical-memorandums"},{"display_name":"NASA STI Report Series","id":"nasa-sti-report-series","score":0.4825,"url":"https://openalex.org/keywords/nasa-sti-report-series"},{"display_name":"institutional research information systems","id":"institutional-research-information-systems","score":0.6228,"url":"https://openalex.org/keywords/institutional-research-information-systems"},{"display_name":"research output management","id":"research-output-management","score":0.2287,"url":"https://openalex.org/keywords/research-output-management"},{"display_name":"research management information system","id":"research-management-information-system","score":0.2457,"url":"https://openalex.org/keywords/research-management-information-system"},{"display_name":"NASA STI Database","id":"nasa-sti-database","score":0.307,"url":"https://openalex.org/keywords/nasa-sti-database"},{"display_name":"scientific and technical information dissemination","id":"scientific-and-technical-information-dissemination","score":0.2569,"url":"https://openalex.org/keywords/scientific-and-technical-information-dissemination"},{"display_name":"open research information","id":"open-research-information","score":0.2009,"url":"https://openalex.org/keywords/open-research-information"},{"display_name":"ORCID integration","id":"orcid-integration","score":0.2238,"url":"https://openalex.org/keywords/orcid-integration"}],"legacy_keywords":["Grey Literature","Research Information Systems","CERIF Data Model","Open Access Repositories","Bibliographic Records","Metadata Extraction","XML Editor","Library Circulation System","Scientific Communication","Optical-electronic Systems"],"openalex_id":"https://openalex.org/T14320","source_created_date":"2024-01-23T15:27:22","source_updated_date":"2026-10-17T03:02:00","subfield_id":"1404","url":"/topics/T14320","works_api_url":"https://api.openalex.org/works?filter=topics.id:T14320","works_count":10306,"label":"Optics and Image Analysis","provider":"openalex","revision":"a4d501d66eda16b2","taxonomy_revision":"f050b5d4780b1289","title":"Optics and Image Analysis","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"38294394629809712","address_version":"morton4x16-v1","coordinates":[2,14,1404,14320],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}