{"id":"https://openalex.org/W2117624717","doi":"https://doi.org/10.1145/1989493.1989520","title":"Approximation algorithms for secondary spectrum auctions","display_name":"Approximation algorithms for secondary spectrum auctions","publication_year":2011,"publication_date":"2011-06-04","ids":{"openalex":"https://openalex.org/W2117624717","doi":"https://doi.org/10.1145/1989493.1989520","mag":"2117624717"},"language":"en","primary_location":{"id":"doi:10.1145/1989493.1989520","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1989493.1989520","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the twenty-third annual ACM symposium on Parallelism in algorithms and architectures","raw_type":"proceedings-article"},"type":"conference-paper","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/A5065332233","display_name":"Martin Hoefer","orcid":"https://orcid.org/0000-0003-0131-5605"},"institutions":[{"id":"https://openalex.org/I887968799","display_name":"RWTH Aachen University","ror":"https://ror.org/04xfq0f34","country_code":"DE","type":"education","lineage":["https://openalex.org/I887968799"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Martin Hoefer","raw_affiliation_strings":["RWTH Aachen University, Aachen, Germany","RWTH-Aachen University, Aachen, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"RWTH Aachen University, Aachen, Germany","institution_ids":["https://openalex.org/I887968799"]},{"raw_affiliation_string":"RWTH-Aachen University, Aachen, Germany","institution_ids":["https://openalex.org/I887968799"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011165333","display_name":"Thomas Ke\u00dfelheim","orcid":"https://orcid.org/0000-0002-9420-9424"},"institutions":[{"id":"https://openalex.org/I887968799","display_name":"RWTH Aachen University","ror":"https://ror.org/04xfq0f34","country_code":"DE","type":"education","lineage":["https://openalex.org/I887968799"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Thomas Kesselheim","raw_affiliation_strings":["RWTH Aachen University, Aachen, Germany","RWTH-Aachen University, Aachen, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"RWTH Aachen University, Aachen, Germany","institution_ids":["https://openalex.org/I887968799"]},{"raw_affiliation_string":"RWTH-Aachen University, Aachen, Germany","institution_ids":["https://openalex.org/I887968799"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5066021048","display_name":"Berthold V\u00f6cking","orcid":null},"institutions":[{"id":"https://openalex.org/I887968799","display_name":"RWTH Aachen University","ror":"https://ror.org/04xfq0f34","country_code":"DE","type":"education","lineage":["https://openalex.org/I887968799"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Berthold V\u00f6cking","raw_affiliation_strings":["RWTH Aachen University, Aachen, Germany","RWTH-Aachen University, Aachen, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"RWTH Aachen University, Aachen, Germany","institution_ids":["https://openalex.org/I887968799"]},{"raw_affiliation_string":"RWTH-Aachen University, Aachen, Germany","institution_ids":["https://openalex.org/I887968799"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I887968799"],"apc_list":null,"apc_paid":null,"fwci":18.4966,"has_fulltext":false,"cited_by_count":50,"citation_normalized_percentile":{"value":0.99522578,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":100},"biblio":{"volume":null,"issue":null,"first_page":"177","last_page":"186"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11182","display_name":"Auction Theory and Applications","score":0.9998000264167786,"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"}},"topics":[{"id":"https://openalex.org/T11182","display_name":"Auction Theory and Applications","score":0.9998000264167786,"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/T12288","display_name":"Optimization and Search Problems","score":0.9966999888420105,"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/T11409","display_name":"Advanced Wireless Network Optimization","score":0.9909999966621399,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/common-value-auction","display_name":"Common value auction","score":0.8752388954162598},{"id":"https://openalex.org/keywords/spectrum-auction","display_name":"Spectrum auction","score":0.6438527703285217},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6144016981124878},{"id":"https://openalex.org/keywords/combinatorial-auction","display_name":"Combinatorial auction","score":0.5779741406440735},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.5721467137336731},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.5643699765205383},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.5505611300468445},{"id":"https://openalex.org/keywords/term","display_name":"Term (time)","score":0.4604829251766205},{"id":"https://openalex.org/keywords/spectrum","display_name":"Spectrum (functional analysis)","score":0.4458782374858856},{"id":"https://openalex.org/keywords/graph-theory","display_name":"Graph theory","score":0.44122856855392456},{"id":"https://openalex.org/keywords/contrast","display_name":"Contrast (vision)","score":0.4180668592453003},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.4082164168357849},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.40323108434677124},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.37100446224212646},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.30384939908981323},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.29152989387512207},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.265100359916687},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.23390164971351624},{"id":"https://openalex.org/keywords/economics","display_name":"Economics","score":0.15130412578582764},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.14394599199295044},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.12194129824638367},{"id":"https://openalex.org/keywords/microeconomics","display_name":"Microeconomics","score":0.11719438433647156}],"concepts":[{"id":"https://openalex.org/C163239763","wikidata":"https://www.wikidata.org/wiki/Q5153637","display_name":"Common value auction","level":2,"score":0.8752388954162598},{"id":"https://openalex.org/C94253299","wikidata":"https://www.wikidata.org/wiki/Q4346752","display_name":"Spectrum auction","level":5,"score":0.6438527703285217},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6144016981124878},{"id":"https://openalex.org/C59919655","wikidata":"https://www.wikidata.org/wiki/Q5150821","display_name":"Combinatorial auction","level":3,"score":0.5779741406440735},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.5721467137336731},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.5643699765205383},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.5505611300468445},{"id":"https://openalex.org/C61797465","wikidata":"https://www.wikidata.org/wiki/Q1188986","display_name":"Term (time)","level":2,"score":0.4604829251766205},{"id":"https://openalex.org/C156778621","wikidata":"https://www.wikidata.org/wiki/Q1365748","display_name":"Spectrum (functional analysis)","level":2,"score":0.4458782374858856},{"id":"https://openalex.org/C88230418","wikidata":"https://www.wikidata.org/wiki/Q131476","display_name":"Graph theory","level":2,"score":0.44122856855392456},{"id":"https://openalex.org/C2776502983","wikidata":"https://www.wikidata.org/wiki/Q690182","display_name":"Contrast (vision)","level":2,"score":0.4180668592453003},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.4082164168357849},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.40323108434677124},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.37100446224212646},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.30384939908981323},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.29152989387512207},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.265100359916687},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.23390164971351624},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.15130412578582764},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.14394599199295044},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.12194129824638367},{"id":"https://openalex.org/C175444787","wikidata":"https://www.wikidata.org/wiki/Q39072","display_name":"Microeconomics","level":1,"score":0.11719438433647156},{"id":"https://openalex.org/C143684077","wikidata":"https://www.wikidata.org/wiki/Q431186","display_name":"Revenue equivalence","level":4,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C11276805","wikidata":"https://www.wikidata.org/wiki/Q771334","display_name":"Auction theory","level":3,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/1989493.1989520","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1989493.1989520","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the twenty-third annual ACM symposium on Parallelism in algorithms and architectures","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions","score":0.46000000834465027}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":34,"referenced_works":["https://openalex.org/W1505779571","https://openalex.org/W1511627217","https://openalex.org/W1521809411","https://openalex.org/W1523448599","https://openalex.org/W1584433497","https://openalex.org/W1789125946","https://openalex.org/W1844883389","https://openalex.org/W1989453388","https://openalex.org/W2001663593","https://openalex.org/W2065980363","https://openalex.org/W2069169587","https://openalex.org/W2077561024","https://openalex.org/W2077783414","https://openalex.org/W2080228825","https://openalex.org/W2081254453","https://openalex.org/W2091755831","https://openalex.org/W2095785938","https://openalex.org/W2098976472","https://openalex.org/W2103751307","https://openalex.org/W2106242763","https://openalex.org/W2119109694","https://openalex.org/W2126307323","https://openalex.org/W2129791350","https://openalex.org/W2134540007","https://openalex.org/W2137775453","https://openalex.org/W2144916624","https://openalex.org/W2145519285","https://openalex.org/W2152723361","https://openalex.org/W2153353823","https://openalex.org/W2164534313","https://openalex.org/W2171090088","https://openalex.org/W2612690410","https://openalex.org/W2914843939","https://openalex.org/W4205960197"],"related_works":["https://openalex.org/W2164943659","https://openalex.org/W3146947633","https://openalex.org/W2293269701","https://openalex.org/W1511198632","https://openalex.org/W1775068182","https://openalex.org/W2170545834","https://openalex.org/W2116814789","https://openalex.org/W1594147293","https://openalex.org/W2478847702","https://openalex.org/W2765249998"],"abstract_inverted_index":{"We":[0],"study":[1],"combinatorial":[2],"auctions":[3],"for":[4,20,81],"the":[5,29,41,49,66,69,72,78,86,90],"secondary":[6],"spectrum":[7],"market.":[8],"In":[9,26],"this":[10],"market,":[11,31],"short-term":[12],"licenses":[13],"shall":[14],"be":[15,34],"given":[16],"to":[17,28,36,85],"wireless":[18],"nodes":[19,67],"communication":[21],"in":[22,58,64,89],"their":[23],"local":[24],"neighborhood.":[25],"contrast":[27],"primary":[30],"channels":[32],"can":[33],"assigned":[35],"multiple":[37],"bidders,":[38],"provided":[39],"that":[40,48,77],"corresponding":[42],"devices":[43],"are":[44,56],"well":[45],"separated":[46],"such":[47,76],"interference":[50],"is":[51],"sufficiently":[52],"low.":[53],"Interference":[54],"conflicts":[55,75],"described":[57],"terms":[59],"of":[60],"a":[61,82],"conflict":[62,91],"graph":[63],"which":[65],"represent":[68,74],"bidders":[70],"and":[71],"edges":[73],"feasible":[79],"allocations":[80],"channel":[83],"correspond":[84],"independent":[87],"sets":[88],"graph.":[92]},"counts_by_year":[{"year":2019,"cited_by_count":2},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":6},{"year":2014,"cited_by_count":12},{"year":2013,"cited_by_count":14},{"year":2012,"cited_by_count":8}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}