乐胖代购免代理版

{"id":"https://openalex.org/W2149618674","doi":"https://doi.org/10.1109/ismvl.2012.46","title":"Counting Predicates, Subset Surjective Functions, and Counting CSPs","display_name":"Counting Predicates, Subset Surjective Functions, and Counting CSPs","publication_year":2012,"publication_date":"2012-05-01","ids":{"openalex":"https://openalex.org/W2149618674","doi":"https://doi.org/10.1109/ismvl.2012.46","mag":"2149618674"},"language":"en","primary_location":{"is_oa":false,"landing_page_url":"https://doi.org/10.1109/ismvl.2012.46","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false},"type":"article","type_crossref":"proceedings-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/A5103266587","display_name":"Andre\u01d0 A. Bulatov","orcid":"https://orcid.org/0000-0002-5516-1704"},"institutions":[{"id":"https://openalex.org/I18014758","display_name":"Simon Fraser University","ror":"https://ror.org/0213rcc28","country_code":"CA","type":"funder","lineage":["https://openalex.org/I18014758"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"A. A. Bulatov","raw_affiliation_strings":["School of Computing Science, Simon Fraser University, Burnaby, Canada"],"affiliations":[{"raw_affiliation_string":"School of Computing Science, Simon Fraser University, Burnaby, Canada","institution_ids":["https://openalex.org/I18014758"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5012628405","display_name":"Amir Hedayaty","orcid":null},"institutions":[{"id":"https://openalex.org/I18014758","display_name":"Simon Fraser University","ror":"https://ror.org/0213rcc28","country_code":"CA","type":"funder","lineage":["https://openalex.org/I18014758"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"A. Hedayaty","raw_affiliation_strings":["School of Computing Science, Simon Fraser University, Burnaby, Canada"],"affiliations":[{"raw_affiliation_string":"School of Computing Science, Simon Fraser University, Burnaby, Canada","institution_ids":["https://openalex.org/I18014758"]}]}],"institution_assertions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.639,"has_fulltext":true,"fulltext_origin":"ngrams","cited_by_count":3,"citation_normalized_percentile":{"value":0.487028,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":75,"max":78},"biblio":{"volume":null,"issue":null,"first_page":"331","last_page":"336"},"is_retracted":false,"is_paratext":false,"primary_topic":{"id":"https://openalex.org/T11010","display_name":"Logic, Reasoning, and Knowledge","score":0.998,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T11010","display_name":"Logic, Reasoning, and Knowledge","score":0.998,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T11727","display_name":"Advanced Algebra and Logic","score":0.9968,"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/T11596","display_name":"Constraint Satisfaction and Optimization","score":0.9968,"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/closure-operator","display_name":"Closure operator","score":0.8240205},{"id":"https://openalex.org/keywords/surjective-function","display_name":"Surjective function","score":0.7686925},{"id":"https://openalex.org/keywords/closure","display_name":"Closure (psychology)","score":0.7155447},{"id":"https://openalex.org/keywords/partial-function","display_name":"Partial function","score":0.62130105},{"id":"https://openalex.org/keywords/counting-problem","display_name":"Counting problem","score":0.5503454},{"id":"https://openalex.org/keywords/operator","display_name":"Operator (biology)","score":0.5185743},{"id":"https://openalex.org/keywords/galois-connection","display_name":"Galois connection","score":0.49642116}],"concepts":[{"id":"https://openalex.org/C160771489","wikidata":"https://www.wikidata.org/wiki/Q10564851","display_name":"Closure operator","level":3,"score":0.8240205},{"id":"https://openalex.org/C119238805","wikidata":"https://www.wikidata.org/wiki/Q229102","display_name":"Surjective function","level":2,"score":0.7686925},{"id":"https://openalex.org/C146834321","wikidata":"https://www.wikidata.org/wiki/Q2979672","display_name":"Closure (psychology)","level":2,"score":0.7155447},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.687157},{"id":"https://openalex.org/C182359184","wikidata":"https://www.wikidata.org/wiki/Q1756942","display_name":"Partial function","level":2,"score":0.62130105},{"id":"https://openalex.org/C16592021","wikidata":"https://www.wikidata.org/wiki/Q5177154","display_name":"Counting problem","level":2,"score":0.5503454},{"id":"https://openalex.org/C199622910","wikidata":"https://www.wikidata.org/wiki/Q1128326","display_name":"Constraint satisfaction problem","level":3,"score":0.5295324},{"id":"https://openalex.org/C17020691","wikidata":"https://www.wikidata.org/wiki/Q139677","display_name":"Operator (biology)","level":5,"score":0.5185743},{"id":"https://openalex.org/C2777573902","wikidata":"https://www.wikidata.org/wiki/Q1491747","display_name":"Galois connection","level":2,"score":0.49642116},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.48143572},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.46755397},{"id":"https://openalex.org/C2777299769","wikidata":"https://www.wikidata.org/wiki/Q3707858","display_name":"Type (biology)","level":2,"score":0.43676844},{"id":"https://openalex.org/C11821877","wikidata":"https://www.wikidata.org/wiki/Q187959","display_name":"Distributive property","level":2,"score":0.41926777},{"id":"https://openalex.org/C190470478","wikidata":"https://www.wikidata.org/wiki/Q2370229","display_name":"Invariant (physics)","level":2,"score":0.41314116},{"id":"https://openalex.org/C180645754","wikidata":"https://www.wikidata.org/wiki/Q474715","display_name":"Partially ordered set","level":2,"score":0.41215417},{"id":"https://openalex.org/C136119220","wikidata":"https://www.wikidata.org/wiki/Q1000660","display_name":"Algebra over a field","level":2,"score":0.3333822},{"id":"https://openalex.org/C164953516","wikidata":"https://www.wikidata.org/wiki/Q320357","display_name":"Closed set","level":2,"score":0.32998377},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.22162858},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.21249044},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.086006194},{"id":"https://openalex.org/C34447519","wikidata":"https://www.wikidata.org/wiki/Q179522","display_name":"Market economy","level":1,"score":0.0},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C158448853","wikidata":"https://www.wikidata.org/wiki/Q425218","display_name":"Repressor","level":4,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C49937458","wikidata":"https://www.wikidata.org/wiki/Q2599292","display_name":"Probabilistic logic","level":2,"score":0.0},{"id":"https://openalex.org/C86339819","wikidata":"https://www.wikidata.org/wiki/Q407384","display_name":"Transcription factor","level":3,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C37914503","wikidata":"https://www.wikidata.org/wiki/Q156495","display_name":"Mathematical physics","level":1,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"is_oa":false,"landing_page_url":"https://doi.org/10.1109/ismvl.2012.46","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false}],"best_oa_location":null,"sustainable_development_goals":[],"grants":[],"datasets":[],"versions":[],"referenced_works_count":18,"referenced_works":["https://openalex.org/W1559445597","https://openalex.org/W1853910520","https://openalex.org/W1968948791","https://openalex.org/W1997649256","https://openalex.org/W2018470381","https://openalex.org/W2026753685","https://openalex.org/W2052726983","https://openalex.org/W2076946745","https://openalex.org/W2086525866","https://openalex.org/W2116407296","https://openalex.org/W2119165365","https://openalex.org/W2119456262","https://openalex.org/W2124452950","https://openalex.org/W2131358503","https://openalex.org/W2134850460","https://openalex.org/W2149922426","https://openalex.org/W2161027123","https://openalex.org/W2504299149"],"related_works":["https://openalex.org/W4225166007","https://openalex.org/W3214365949","https://openalex.org/W3202111367","https://openalex.org/W2970346870","https://openalex.org/W2963691813","https://openalex.org/W2553531723","https://openalex.org/W2149618674","https://openalex.org/W2129953753","https://openalex.org/W1645899604","https://openalex.org/W1561592828"],"abstract_inverted_index":{"We":[0,143],"introduce":[1],"a":[2,97,159],"new":[3,66],"type":[4,116,123],"of":[5,11,37,51,59,68,73,85,88,117,124,147,155,161,168],"closure":[6,38,69,118],"operator":[7],"on":[8],"the":[9,48,83,86,89,166],"set":[10,160],"relations,":[12],"max-implementation,":[13],"and":[14,106,134],"its":[15],"weaker":[16],"analog":[17],"max-quantification.":[18],"Then":[19],"we":[20,92,109],"show":[21],"that":[22,47,61,164],"approximation":[23,49],"reductions":[24],"between":[25],"counting":[26,52,129],"constraint":[27],"satisfaction":[28],"problems":[29],"(CSPs)":[30],"are":[31,126],"preserved":[32],"by":[33,56],"these":[34,65],"two":[35],"types":[36,67],"operators.":[39,70],"Together":[40],"with":[41],"some":[42],"previous":[43],"results":[44,112],"this":[45],"means":[46],"complexity":[50,87],"CSPs":[53],"is":[54],"determined":[55],"partial":[57,101,145,162],"clones":[58,102,146],"relations":[60,148,156],"additionally":[62],"closed":[63,103,149],"under":[64,104,150,158],"Galois":[71,98],"correspondence":[72,99],"various":[74],"kind":[75],"have":[76],"proved":[77],"to":[78,95,137],"been":[79],"quite":[80],"helpful":[81],"in":[82,131],"study":[84],"CSP.":[90],"While":[91],"were":[93],"unable":[94],"identify":[96],"for":[100,113],"max-implementation":[105],"max-":[107],"quantification,":[108],"obtain":[110],"such":[111],"slightly":[114],"different":[115],"operators,":[119],"\u03ba-existential":[120,151],"quantification.":[121],"This":[122],"quantifiers":[125,130],"known":[127],"as":[128,153],"model":[132],"theory,":[133],"often":[135],"used":[136],"enhance":[138],"first":[139],"order":[140],"logic":[141],"languages.":[142],"characterize":[144],"quantification":[152],"sets":[154],"invariant":[157],"functions":[163],"satisfy":[165],"condition":[167],"\u03ba-subset":[169],"surjectivity.":[170]},"abstract_inverted_index_v3":null,"cited_by_api_url":"https://api.openalex.org/works?filter=cites:W2149618674","counts_by_year":[{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2025-03-20T14:45:32.251109","created_date":"2016-06-24"}