{"id":"https://openalex.org/W3134735940","doi":"https://doi.org/10.1063/5.0042286","title":"Co-Kriging method performance in estimating number of COVID-19 positive confirmed cases in East Java Province","display_name":"Co-Kriging method performance in estimating number of COVID-19 positive confirmed cases in East Java Province","publication_year":2021,"publication_date":"2021-01-01","ids":{"openalex":"https://openalex.org/W3134735940","doi":"https://doi.org/10.1063/5.0042286","mag":"3134735940"},"language":"en","primary_location":{"id":"doi:10.1063/5.0042286","doi":"https://doi.org/10.1063/5.0042286","is_oa":false,"landing_page_url":"https://doi.org/10.1063/5.0042286","pdf_url":null,"source":{"id":"https://openalex.org/S2764696622","display_name":"AIP conference proceedings","issn_l":"0094-243X","issn":["0094-243X","1551-7616","1935-0465"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-1","norway-1"],"host_organization":"https://openalex.org/P4310320257","host_organization_name":"American Institute of Physics","host_organization_lineage":["https://openalex.org/P4310320257"],"host_organization_lineage_names":["American Institute of Physics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"AIP Conference Proceedings","raw_type":"proceedings-article"},"volume":null,"type":"conference-paper","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5018327548","display_name":"Siti Amelia Dewi Safitri","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I205133468","display_name":"Universitas Airlangga","ror":"https://ror.org/04ctejd88","country_code":"ID","type":"education","lineage":["https://openalex.org/I205133468"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"Siti A. D. Safitri","raw_affiliation_strings":["Study Program of Statistics, Faculty of Science and Technology, Airlangga University, Indonesia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Study Program of Statistics, Faculty of Science and Technology, Airlangga University, Indonesia","institution_ids":["https://openalex.org/I205133468"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014578240","display_name":"Fajrina A. Putri","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I205133468","display_name":"Universitas Airlangga","ror":"https://ror.org/04ctejd88","country_code":"ID","type":"education","lineage":["https://openalex.org/I205133468"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"Fajrina A. Putri","raw_affiliation_strings":["Study Program of Statistics, Faculty of Science and Technology, Airlangga University, Indonesia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Study Program of Statistics, Faculty of Science and Technology, Airlangga University, Indonesia","institution_ids":["https://openalex.org/I205133468"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073446259","display_name":"Belindha Ayu Ardhani","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I205133468","display_name":"Universitas Airlangga","ror":"https://ror.org/04ctejd88","country_code":"ID","type":"education","lineage":["https://openalex.org/I205133468"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"Belindha A. Ardhani","raw_affiliation_strings":["Study Program of Statistics, Faculty of Science and Technology, Airlangga University, Indonesia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Study Program of Statistics, Faculty of Science and Technology, Airlangga University, Indonesia","institution_ids":["https://openalex.org/I205133468"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5025506617","display_name":"Nur Chamidah","orcid":"https://orcid.org/0000-0003-1592-4671","observed_orcids":["https://orcid.org/0000-0003-1592-4671"]},"institutions":[{"id":"https://openalex.org/I205133468","display_name":"Universitas Airlangga","ror":"https://ror.org/04ctejd88","country_code":"ID","type":"education","lineage":["https://openalex.org/I205133468"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"Nur Chamidah","raw_affiliation_strings":["Department of Mathematics, Faculty of Science and Technology, Airlangga University, Indonesia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematics, Faculty of Science and Technology, Airlangga University, Indonesia","institution_ids":["https://openalex.org/I205133468"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I205133468"],"apc_list":null,"apc_paid":null,"fwci":1.6514,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.82173382,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":93,"max":97},"biblio":{"volume":"2329","issue":null,"first_page":"060034","last_page":"060034"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10410","display_name":"COVID-19 epidemiological studies","score":0.9063000082969666,"subfield":{"id":"https://openalex.org/subfields/2611","display_name":"Modeling and Simulation"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10410","display_name":"COVID-19 epidemiological studies","score":0.9063000082969666,"subfield":{"id":"https://openalex.org/subfields/2611","display_name":"Modeling and Simulation"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11911","display_name":"Spatial and Panel Data Analysis","score":0.04600000008940697,"subfield":{"id":"https://openalex.org/subfields/2002","display_name":"Economics and Econometrics"},"field":{"id":"https://openalex.org/fields/20","display_name":"Economics, Econometrics and Finance"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T11819","display_name":"Data-Driven Disease Surveillance","score":0.03269999846816063,"subfield":{"id":"https://openalex.org/subfields/2713","display_name":"Epidemiology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/cokriging","display_name":"cokriging","score":0.9909999966621399},{"id":"https://openalex.org/keywords/covid-19","display_name":"COVID-19 pandemic","score":0.8339999914169312},{"id":"https://openalex.org/keywords/spatial-interpolation","display_name":"spatial interpolation","score":0.925000011920929},{"id":"https://openalex.org/keywords/east-java","display_name":"East Java","score":0.6330000162124634}],"concepts":[{"id":"https://openalex.org/C2778447006","wikidata":"https://www.wikidata.org/wiki/Q1156474","display_name":"Icon","level":2,"score":0.845405638217926},{"id":"https://openalex.org/C2778805511","wikidata":"https://www.wikidata.org/wiki/Q1713","display_name":"Citation","level":2,"score":0.706519603729248},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.663361668586731},{"id":"https://openalex.org/C2780154274","wikidata":"https://www.wikidata.org/wiki/Q7126717","display_name":"Download","level":2,"score":0.660373866558075},{"id":"https://openalex.org/C548217200","wikidata":"https://www.wikidata.org/wiki/Q251","display_name":"Java","level":2,"score":0.5486090183258057},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.4833250045776367},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.4542338252067566},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.14964941143989563},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.10983997583389282}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1063/5.0042286","doi":"https://doi.org/10.1063/5.0042286","is_oa":false,"landing_page_url":"https://doi.org/10.1063/5.0042286","pdf_url":null,"source":{"id":"https://openalex.org/S2764696622","display_name":"AIP conference proceedings","issn_l":"0094-243X","issn":["0094-243X","1551-7616","1935-0465"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-1","norway-1"],"host_organization":"https://openalex.org/P4310320257","host_organization_name":"American Institute of Physics","host_organization_lineage":["https://openalex.org/P4310320257"],"host_organization_lineage_names":["American Institute of Physics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"AIP Conference Proceedings","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W1504737435","https://openalex.org/W2073016592","https://openalex.org/W2126203026","https://openalex.org/W2509896978","https://openalex.org/W4256666276"],"related_works":["https://openalex.org/W3135360636","https://openalex.org/W3120889293","https://openalex.org/W4401361862","https://openalex.org/W4380686564","https://openalex.org/W3214676109","https://openalex.org/W4409055905","https://openalex.org/W7023650145","https://openalex.org/W4319988409","https://openalex.org/W4317761949","https://openalex.org/W4393348913"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":2}],"updated_date":"2026-11-08T12:12:28.789561","created_date":"2021-03-15T00:00:00"}