{"id":"https://openalex.org/W3011965773","doi":"https://doi.org/10.1007/s10878-020-00558-4","title":"A 1/2-approximation algorithm for maximizing a non-monotone weak-submodular function on a bounded integer lattice","display_name":"A 1/2-approximation algorithm for maximizing a non-monotone weak-submodular function on a bounded integer lattice","publication_year":2020,"publication_date":"2020-03-12","ids":{"openalex":"https://openalex.org/W3011965773","doi":"https://doi.org/10.1007/s10878-020-00558-4","mag":"3011965773"},"language":"en","primary_location":{"id":"doi:10.1007/s10878-020-00558-4","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s10878-020-00558-4","pdf_url":null,"source":{"id":"https://openalex.org/S107925523","display_name":"Journal of Combinatorial Optimization","issn_l":"1382-6905","issn":["1382-6905","1573-2886"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Combinatorial Optimization","raw_type":"journal-article"},"type":"article","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/A5086028326","display_name":"Qingqin Nong","orcid":"https://orcid.org/0000-0002-0895-7793"},"institutions":[{"id":"https://openalex.org/I59028903","display_name":"Ocean University of China","ror":"https://ror.org/04rdtx186","country_code":"CN","type":"education","lineage":["https://openalex.org/I59028903"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Qingqin Nong","raw_affiliation_strings":["School of Mathematical Science, Ocean University of China, Qingdao, 266100, Shandong Province, People\u2019s Republic of China","School of Mathematical Science, Ocean University of China, Qingdao, 266100, Shandong Province, People's Republic of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Mathematical Science, Ocean University of China, Qingdao, 266100, Shandong Province, People\u2019s Republic of China","institution_ids":["https://openalex.org/I59028903"]},{"raw_affiliation_string":"School of Mathematical Science, Ocean University of China, Qingdao, 266100, Shandong Province, People's Republic of China","institution_ids":["https://openalex.org/I59028903"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055533079","display_name":"Jiazhu Fang","orcid":null},"institutions":[{"id":"https://openalex.org/I59028903","display_name":"Ocean University of China","ror":"https://ror.org/04rdtx186","country_code":"CN","type":"education","lineage":["https://openalex.org/I59028903"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiazhu Fang","raw_affiliation_strings":["School of Mathematical Science, Ocean University of China, Qingdao, 266100, Shandong Province, People\u2019s Republic of China","School of Mathematical Science, Ocean University of China, Qingdao, 266100, Shandong Province, People's Republic of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Mathematical Science, Ocean University of China, Qingdao, 266100, Shandong Province, People\u2019s Republic of China","institution_ids":["https://openalex.org/I59028903"]},{"raw_affiliation_string":"School of Mathematical Science, Ocean University of China, Qingdao, 266100, Shandong Province, People's Republic of China","institution_ids":["https://openalex.org/I59028903"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102976616","display_name":"Suning Gong","orcid":null},"institutions":[{"id":"https://openalex.org/I59028903","display_name":"Ocean University of China","ror":"https://ror.org/04rdtx186","country_code":"CN","type":"education","lineage":["https://openalex.org/I59028903"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Suning Gong","raw_affiliation_strings":["School of Mathematical Science, Ocean University of China, Qingdao, 266100, Shandong Province, People\u2019s Republic of China","School of Mathematical Science, Ocean University of China, Qingdao, 266100, Shandong Province, People's Republic of China"],"raw_orcid":"https://orcid.org/0000-0003-0587-6645","affiliations":[{"raw_affiliation_string":"School of Mathematical Science, Ocean University of China, Qingdao, 266100, Shandong Province, People\u2019s Republic of China","institution_ids":["https://openalex.org/I59028903"]},{"raw_affiliation_string":"School of Mathematical Science, Ocean University of China, Qingdao, 266100, Shandong Province, People's Republic of China","institution_ids":["https://openalex.org/I59028903"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037860988","display_name":"Ding\u2010Zhu Du","orcid":"https://orcid.org/0000-0002-7345-2185"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Dingzhu Du","raw_affiliation_strings":["Department of Computer Science, University of Texas, Dallas, 75083, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, University of Texas, Dallas, 75083, USA","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101786091","display_name":"Yan Feng","orcid":"https://orcid.org/0000-0002-4601-4593"},"institutions":[{"id":"https://openalex.org/I59028903","display_name":"Ocean University of China","ror":"https://ror.org/04rdtx186","country_code":"CN","type":"education","lineage":["https://openalex.org/I59028903"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yan Feng","raw_affiliation_strings":["School of Mathematical Science, Ocean University of China, Qingdao, 266100, Shandong Province, People\u2019s Republic of China","School of Mathematical Science, Ocean University of China, Qingdao, 266100, Shandong Province, People's Republic of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Mathematical Science, Ocean University of China, Qingdao, 266100, Shandong Province, People\u2019s Republic of China","institution_ids":["https://openalex.org/I59028903"]},{"raw_affiliation_string":"School of Mathematical Science, Ocean University of China, Qingdao, 266100, Shandong Province, People's Republic of China","institution_ids":["https://openalex.org/I59028903"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5003123469","display_name":"Xiaoying Qu","orcid":null},"institutions":[{"id":"https://openalex.org/I59028903","display_name":"Ocean University of China","ror":"https://ror.org/04rdtx186","country_code":"CN","type":"education","lineage":["https://openalex.org/I59028903"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaoying Qu","raw_affiliation_strings":["School of Mathematical Science, Ocean University of China, Qingdao, 266100, Shandong Province, People\u2019s Republic of China","School of Mathematical Science, Ocean University of China, Qingdao, 266100, Shandong Province, People's Republic of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Mathematical Science, Ocean University of China, Qingdao, 266100, Shandong Province, People\u2019s Republic of China","institution_ids":["https://openalex.org/I59028903"]},{"raw_affiliation_string":"School of Mathematical Science, Ocean University of China, Qingdao, 266100, Shandong Province, People's Republic of China","institution_ids":["https://openalex.org/I59028903"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5086028326"],"corresponding_institution_ids":["https://openalex.org/I59028903"],"apc_list":{"value":2390,"currency":"EUR","value_usd":2990},"apc_paid":null,"fwci":1.4451,"has_fulltext":false,"cited_by_count":20,"citation_normalized_percentile":{"value":0.85865771,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"39","issue":"4","first_page":"1208","last_page":"1220"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10720","display_name":"Complexity and Algorithms in Graphs","score":0.9994000196456909,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10720","display_name":"Complexity and Algorithms in Graphs","score":0.9994000196456909,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12404","display_name":"Mathematical Approximation and Integration","score":0.9839000105857849,"subfield":{"id":"https://openalex.org/subfields/2612","display_name":"Numerical Analysis"},"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/T12288","display_name":"Optimization and Search Problems","score":0.9837999939918518,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/submodular-set-function","display_name":"Submodular set function","score":0.7651931047439575},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.7449983358383179},{"id":"https://openalex.org/keywords/integer","display_name":"Integer (computer science)","score":0.622803270816803},{"id":"https://openalex.org/keywords/bounded-function","display_name":"Bounded function","score":0.5269725322723389},{"id":"https://openalex.org/keywords/monotone-polygon","display_name":"Monotone polygon","score":0.5147371292114258},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.43867599964141846},{"id":"https://openalex.org/keywords/integer-lattice","display_name":"Integer lattice","score":0.4156150817871094},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.37487027049064636},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.3349560499191284},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.11362636089324951},{"id":"https://openalex.org/keywords/condensed-matter-physics","display_name":"Condensed matter physics","score":0.0758374035358429}],"concepts":[{"id":"https://openalex.org/C178621042","wikidata":"https://www.wikidata.org/wiki/Q7631710","display_name":"Submodular set function","level":2,"score":0.7651931047439575},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.7449983358383179},{"id":"https://openalex.org/C97137487","wikidata":"https://www.wikidata.org/wiki/Q729138","display_name":"Integer (computer science)","level":2,"score":0.622803270816803},{"id":"https://openalex.org/C34388435","wikidata":"https://www.wikidata.org/wiki/Q2267362","display_name":"Bounded function","level":2,"score":0.5269725322723389},{"id":"https://openalex.org/C2834757","wikidata":"https://www.wikidata.org/wiki/Q4925424","display_name":"Monotone polygon","level":2,"score":0.5147371292114258},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.43867599964141846},{"id":"https://openalex.org/C142885752","wikidata":"https://www.wikidata.org/wiki/Q1252145","display_name":"Integer lattice","level":3,"score":0.4156150817871094},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.37487027049064636},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.3349560499191284},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.11362636089324951},{"id":"https://openalex.org/C26873012","wikidata":"https://www.wikidata.org/wiki/Q214781","display_name":"Condensed matter physics","level":1,"score":0.0758374035358429},{"id":"https://openalex.org/C56863137","wikidata":"https://www.wikidata.org/wiki/Q743139","display_name":"Half-integer","level":2,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1007/s10878-020-00558-4","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s10878-020-00558-4","pdf_url":null,"source":{"id":"https://openalex.org/S107925523","display_name":"Journal of Combinatorial Optimization","issn_l":"1382-6905","issn":["1382-6905","1573-2886"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Combinatorial Optimization","raw_type":"journal-article"},{"id":"pmh:oai:RePEc:spr:jcomop:v:39:y:2020:i:4:d:10.1007_s10878-020-00558-4","is_oa":false,"landing_page_url":"http://link.springer.com/10.1007/s10878-020-00558-4","pdf_url":null,"source":{"id":"https://openalex.org/S4306401271","display_name":"RePEc: Research Papers in Economics","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I77793887","host_organization_name":"Federal Reserve Bank of St. Louis","host_organization_lineage":["https://openalex.org/I77793887"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3114143937","display_name":null,"funder_award_id":"11871442","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6343242679","display_name":null,"funder_award_id":"ZR2019MA052","funder_id":"https://openalex.org/F4320324174","funder_display_name":"Natural Science Foundation of Shandong Province"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320324174","display_name":"Natural Science Foundation of Shandong Province","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W100324934","https://openalex.org/W1955698431","https://openalex.org/W2045492898","https://openalex.org/W2053381548","https://openalex.org/W2109974898","https://openalex.org/W2110373679","https://openalex.org/W2121293983","https://openalex.org/W2166588237","https://openalex.org/W2179494254","https://openalex.org/W2181828419","https://openalex.org/W2263717697","https://openalex.org/W2560051165","https://openalex.org/W2604738573","https://openalex.org/W2902436557","https://openalex.org/W2949270856","https://openalex.org/W2962866337","https://openalex.org/W2963719189","https://openalex.org/W2964020479","https://openalex.org/W3160905013","https://openalex.org/W4251076636"],"related_works":["https://openalex.org/W2923536170","https://openalex.org/W3217215568","https://openalex.org/W4286853720","https://openalex.org/W4293437812","https://openalex.org/W2951259895","https://openalex.org/W2962776738","https://openalex.org/W2121293983","https://openalex.org/W2803166515","https://openalex.org/W2592054803","https://openalex.org/W4360985546"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}