{"id":"https://openalex.org/W2131951207","doi":"https://doi.org/10.1145/1284320.1284321","title":"AdWords and generalized online matching","display_name":"AdWords and generalized online matching","publication_year":2007,"publication_date":"2007-10-01","ids":{"openalex":"https://openalex.org/W2131951207","doi":"https://doi.org/10.1145/1284320.1284321","mag":"2131951207"},"language":"en","primary_location":{"id":"doi:10.1145/1284320.1284321","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1284320.1284321","pdf_url":null,"source":{"id":"https://openalex.org/S118992489","display_name":"Journal of the ACM","issn_l":"0004-5411","issn":["0004-5411","1557-735X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the ACM","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/A5075894805","display_name":"Aranyak Mehta","orcid":"https://orcid.org/0000-0002-6132-4901"},"institutions":[{"id":"https://openalex.org/I1291425158","display_name":"Google (United States)","ror":"https://ror.org/00njsd438","country_code":"US","type":"company","lineage":["https://openalex.org/I1291425158","https://openalex.org/I4210128969"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Aranyak Mehta","raw_affiliation_strings":["Google, Inc., Mountain View, California"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Google, Inc., Mountain View, California","institution_ids":["https://openalex.org/I1291425158"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001035442","display_name":"Amin Saberi","orcid":"https://orcid.org/0000-0002-7043-0722"},"institutions":[{"id":"https://openalex.org/I97018004","display_name":"Stanford University","ror":"https://ror.org/00f54p054","country_code":"US","type":"education","lineage":["https://openalex.org/I97018004"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Amin Saberi","raw_affiliation_strings":["Stanford University, Stanford, California"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Stanford University, Stanford, California","institution_ids":["https://openalex.org/I97018004"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071039750","display_name":"Umesh Vazirani","orcid":null},"institutions":[{"id":"https://openalex.org/I95457486","display_name":"University of California, Berkeley","ror":"https://ror.org/01an7q238","country_code":"US","type":"education","lineage":["https://openalex.org/I95457486"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Umesh Vazirani","raw_affiliation_strings":["University of California, Berkeley, Berkeley, California"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of California, Berkeley, Berkeley, California","institution_ids":["https://openalex.org/I95457486"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5007368382","display_name":"Vijay V. Vazirani","orcid":"https://orcid.org/0000-0002-4106-9077"},"institutions":[{"id":"https://openalex.org/I130701444","display_name":"Georgia Institute of Technology","ror":"https://ror.org/01zkghx44","country_code":"US","type":"education","lineage":["https://openalex.org/I130701444"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Vijay Vazirani","raw_affiliation_strings":["Georgia Institute of Technology, Atlanta, Georgia","Georgia Institute of Technology , Atlanta, Georgia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Georgia Institute of Technology, Atlanta, Georgia","institution_ids":["https://openalex.org/I130701444"]},{"raw_affiliation_string":"Georgia Institute of Technology , Atlanta, Georgia","institution_ids":["https://openalex.org/I130701444"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":45.3499,"has_fulltext":false,"cited_by_count":624,"citation_normalized_percentile":{"value":0.99828248,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":99,"max":100},"biblio":{"volume":"54","issue":"5","first_page":"22","last_page":"22"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12288","display_name":"Optimization and Search Problems","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T12288","display_name":"Optimization and Search Problems","score":1.0,"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"}},{"id":"https://openalex.org/T11182","display_name":"Auction Theory and Applications","score":0.9976999759674072,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10567","display_name":"Vehicle Routing Optimization Methods","score":0.9864000082015991,"subfield":{"id":"https://openalex.org/subfields/2209","display_name":"Industrial and Manufacturing Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/matching","display_name":"Matching (statistics)","score":0.7908391952514648},{"id":"https://openalex.org/keywords/competitive-analysis","display_name":"Competitive analysis","score":0.7801731824874878},{"id":"https://openalex.org/keywords/generalization","display_name":"Generalization","score":0.775231122970581},{"id":"https://openalex.org/keywords/bipartite-graph","display_name":"Bipartite graph","score":0.7349854707717896},{"id":"https://openalex.org/keywords/online-algorithm","display_name":"Online algorithm","score":0.6761512160301208},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.556036114692688},{"id":"https://openalex.org/keywords/revenue","display_name":"Revenue","score":0.4917295277118683},{"id":"https://openalex.org/keywords/search-engine","display_name":"Search engine","score":0.48019421100616455},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.4519011378288269},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3567081391811371},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.31653884053230286},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.27961695194244385},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.26812827587127686},{"id":"https://openalex.org/keywords/upper-and-lower-bounds","display_name":"Upper and lower bounds","score":0.17818889021873474},{"id":"https://openalex.org/keywords/economics","display_name":"Economics","score":0.07521325349807739},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.07490876317024231}],"concepts":[{"id":"https://openalex.org/C165064840","wikidata":"https://www.wikidata.org/wiki/Q1321061","display_name":"Matching (statistics)","level":2,"score":0.7908391952514648},{"id":"https://openalex.org/C102408133","wikidata":"https://www.wikidata.org/wiki/Q5156350","display_name":"Competitive analysis","level":3,"score":0.7801731824874878},{"id":"https://openalex.org/C177148314","wikidata":"https://www.wikidata.org/wiki/Q170084","display_name":"Generalization","level":2,"score":0.775231122970581},{"id":"https://openalex.org/C197657726","wikidata":"https://www.wikidata.org/wiki/Q174733","display_name":"Bipartite graph","level":3,"score":0.7349854707717896},{"id":"https://openalex.org/C196921405","wikidata":"https://www.wikidata.org/wiki/Q786431","display_name":"Online algorithm","level":2,"score":0.6761512160301208},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.556036114692688},{"id":"https://openalex.org/C195487862","wikidata":"https://www.wikidata.org/wiki/Q850210","display_name":"Revenue","level":2,"score":0.4917295277118683},{"id":"https://openalex.org/C97854310","wikidata":"https://www.wikidata.org/wiki/Q19541","display_name":"Search engine","level":2,"score":0.48019421100616455},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.4519011378288269},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3567081391811371},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.31653884053230286},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.27961695194244385},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.26812827587127686},{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.17818889021873474},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.07521325349807739},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.07490876317024231},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C121955636","wikidata":"https://www.wikidata.org/wiki/Q4116214","display_name":"Accounting","level":1,"score":0.0},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/1284320.1284321","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1284320.1284321","pdf_url":null,"source":{"id":"https://openalex.org/S118992489","display_name":"Journal of the ACM","issn_l":"0004-5411","issn":["0004-5411","1557-735X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the ACM","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":35,"referenced_works":["https://openalex.org/W1496647032","https://openalex.org/W1528949297","https://openalex.org/W1569146567","https://openalex.org/W1601812897","https://openalex.org/W1735712825","https://openalex.org/W1769120835","https://openalex.org/W1975392791","https://openalex.org/W1991892223","https://openalex.org/W2004045061","https://openalex.org/W2006514056","https://openalex.org/W2011730242","https://openalex.org/W2015324401","https://openalex.org/W2023146810","https://openalex.org/W2039010276","https://openalex.org/W2052494364","https://openalex.org/W2085938855","https://openalex.org/W2093376706","https://openalex.org/W2094208470","https://openalex.org/W2097477220","https://openalex.org/W2106887613","https://openalex.org/W2108343955","https://openalex.org/W2109084006","https://openalex.org/W2127347613","https://openalex.org/W2128217090","https://openalex.org/W2135724610","https://openalex.org/W2156867662","https://openalex.org/W2160702061","https://openalex.org/W2162656786","https://openalex.org/W2169444479","https://openalex.org/W2171613954","https://openalex.org/W2176174872","https://openalex.org/W2911502905","https://openalex.org/W2962711478","https://openalex.org/W3124857404","https://openalex.org/W4389615669"],"related_works":["https://openalex.org/W2564742953","https://openalex.org/W4213299358","https://openalex.org/W2793095688","https://openalex.org/W1623410360","https://openalex.org/W3115340459","https://openalex.org/W2950803469","https://openalex.org/W2970577745","https://openalex.org/W2583614279","https://openalex.org/W2109659895","https://openalex.org/W1930615501"],"abstract_inverted_index":{"How":[0],"does":[1],"a":[2,25,38,51],"search":[3],"engine":[4],"company":[5],"decide":[6],"what":[7],"ads":[8],"to":[9,16,23,45],"display":[10],"with":[11],"each":[12],"query":[13],"so":[14],"as":[15],"maximize":[17],"its":[18],"revenue?":[19],"This":[20],"turns":[21],"out":[22],"be":[24],"generalization":[26],"of":[27,37,54],"the":[28,35],"online":[29],"bipartite":[30],"matching":[31],"problem.":[32,59],"We":[33],"introduce":[34],"notion":[36],"trade-off":[39],"revealing":[40],"LP":[41],"and":[42],"use":[43],"it":[44],"derive":[46],"an":[47],"optimal":[48],"algorithm":[49],"achieving":[50],"competitive":[52],"ratio":[53],"1\u22121/":[55],"e":[56],"for":[57],"this":[58]},"counts_by_year":[{"year":2026,"cited_by_count":15},{"year":2025,"cited_by_count":27},{"year":2024,"cited_by_count":30},{"year":2023,"cited_by_count":28},{"year":2022,"cited_by_count":36},{"year":2021,"cited_by_count":45},{"year":2020,"cited_by_count":35},{"year":2019,"cited_by_count":32},{"year":2018,"cited_by_count":34},{"year":2017,"cited_by_count":30},{"year":2016,"cited_by_count":37},{"year":2015,"cited_by_count":31},{"year":2014,"cited_by_count":39},{"year":2013,"cited_by_count":35},{"year":2012,"cited_by_count":28}],"updated_date":"2026-07-15T18:14:33.161393","created_date":"2025-10-10T00:00:00"}