{"id":"https://openalex.org/W2168570448","doi":"https://doi.org/10.1145/1687399.1687468","title":"A study of routability estimation and clustering in placement","display_name":"A study of routability estimation and clustering in placement","publication_year":2009,"publication_date":"2009-11-02","ids":{"openalex":"https://openalex.org/W2168570448","doi":"https://doi.org/10.1145/1687399.1687468","mag":"2168570448"},"language":"en","primary_location":{"id":"doi:10.1145/1687399.1687468","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1687399.1687468","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2009 International Conference on Computer-Aided Design","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/A5076122063","display_name":"Kalliopi Tsota","orcid":null},"institutions":[{"id":"https://openalex.org/I219193219","display_name":"Purdue University West Lafayette","ror":"https://ror.org/02dqehb95","country_code":"US","type":"education","lineage":["https://openalex.org/I219193219"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Kalliopi Tsota","raw_affiliation_strings":["Purdue University, West Lafayette, IN"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Purdue University, West Lafayette, IN","institution_ids":["https://openalex.org/I219193219"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110204557","display_name":"Cheng\u2010Kok Koh","orcid":null},"institutions":[{"id":"https://openalex.org/I219193219","display_name":"Purdue University West Lafayette","ror":"https://ror.org/02dqehb95","country_code":"US","type":"education","lineage":["https://openalex.org/I219193219"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Cheng-Kok Koh","raw_affiliation_strings":["Purdue University, West Lafayette, IN"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Purdue University, West Lafayette, IN","institution_ids":["https://openalex.org/I219193219"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5022664058","display_name":"V. Balakrishnan","orcid":"https://orcid.org/0000-0001-9284-2202"},"institutions":[{"id":"https://openalex.org/I219193219","display_name":"Purdue University West Lafayette","ror":"https://ror.org/02dqehb95","country_code":"US","type":"education","lineage":["https://openalex.org/I219193219"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Venkataramanan Balakrishnan","raw_affiliation_strings":["Purdue University, West Lafayette, IN"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Purdue University, West Lafayette, IN","institution_ids":["https://openalex.org/I219193219"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I219193219"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"363","last_page":"366"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11522","display_name":"VLSI and FPGA Design Techniques","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T11522","display_name":"VLSI and FPGA Design Techniques","score":1.0,"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"}},{"id":"https://openalex.org/T11032","display_name":"VLSI and Analog Circuit Testing","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/1708","display_name":"Hardware and Architecture"},"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/T11338","display_name":"Advancements in Photolithography Techniques","score":0.9987000226974487,"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/cluster-analysis","display_name":"Cluster analysis","score":0.832271933555603},{"id":"https://openalex.org/keywords/benchmark","display_name":"Benchmark (surveying)","score":0.8242090940475464},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6601163148880005},{"id":"https://openalex.org/keywords/ibm","display_name":"IBM","score":0.6401616930961609},{"id":"https://openalex.org/keywords/placer-mining","display_name":"Placer mining","score":0.6328378915786743},{"id":"https://openalex.org/keywords/suite","display_name":"Suite","score":0.5894348621368408},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.5330877304077148},{"id":"https://openalex.org/keywords/estimation","display_name":"Estimation","score":0.4405449628829956},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.37236031889915466},{"id":"https://openalex.org/keywords/computer-engineering","display_name":"Computer engineering","score":0.35298746824264526},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2049623429775238},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.13513028621673584}],"concepts":[{"id":"https://openalex.org/C73555534","wikidata":"https://www.wikidata.org/wiki/Q622825","display_name":"Cluster analysis","level":2,"score":0.832271933555603},{"id":"https://openalex.org/C185798385","wikidata":"https://www.wikidata.org/wiki/Q1161707","display_name":"Benchmark (surveying)","level":2,"score":0.8242090940475464},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6601163148880005},{"id":"https://openalex.org/C70388272","wikidata":"https://www.wikidata.org/wiki/Q5968558","display_name":"IBM","level":2,"score":0.6401616930961609},{"id":"https://openalex.org/C43592290","wikidata":"https://www.wikidata.org/wiki/Q12148490","display_name":"Placer mining","level":2,"score":0.6328378915786743},{"id":"https://openalex.org/C79581498","wikidata":"https://www.wikidata.org/wiki/Q1367530","display_name":"Suite","level":2,"score":0.5894348621368408},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.5330877304077148},{"id":"https://openalex.org/C96250715","wikidata":"https://www.wikidata.org/wiki/Q965330","display_name":"Estimation","level":2,"score":0.4405449628829956},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.37236031889915466},{"id":"https://openalex.org/C113775141","wikidata":"https://www.wikidata.org/wiki/Q428691","display_name":"Computer engineering","level":1,"score":0.35298746824264526},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2049623429775238},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.13513028621673584},{"id":"https://openalex.org/C171250308","wikidata":"https://www.wikidata.org/wiki/Q11468","display_name":"Nanotechnology","level":1,"score":0.0},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.0},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.0},{"id":"https://openalex.org/C191897082","wikidata":"https://www.wikidata.org/wiki/Q11467","display_name":"Metallurgy","level":1,"score":0.0},{"id":"https://openalex.org/C95457728","wikidata":"https://www.wikidata.org/wiki/Q309","display_name":"History","level":0,"score":0.0},{"id":"https://openalex.org/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/1687399.1687468","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1687399.1687468","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2009 International Conference on Computer-Aided Design","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":24,"referenced_works":["https://openalex.org/W1989931041","https://openalex.org/W2004141433","https://openalex.org/W2005126631","https://openalex.org/W2022271562","https://openalex.org/W2041941568","https://openalex.org/W2078174680","https://openalex.org/W2095117703","https://openalex.org/W2099184857","https://openalex.org/W2102502584","https://openalex.org/W2103848222","https://openalex.org/W2111104699","https://openalex.org/W2111359499","https://openalex.org/W2112547226","https://openalex.org/W2114871550","https://openalex.org/W2132864719","https://openalex.org/W2133286478","https://openalex.org/W2149625434","https://openalex.org/W2159635563","https://openalex.org/W2167644159","https://openalex.org/W2167841124","https://openalex.org/W2172326478","https://openalex.org/W2178255440","https://openalex.org/W2235083351","https://openalex.org/W4235578650"],"related_works":["https://openalex.org/W4379115841","https://openalex.org/W2083794993","https://openalex.org/W1511772879","https://openalex.org/W4394660363","https://openalex.org/W2186315912","https://openalex.org/W2248125223","https://openalex.org/W2588591308","https://openalex.org/W2127898439","https://openalex.org/W3082894236","https://openalex.org/W3195664246"],"abstract_inverted_index":{"This":[0],"paper":[1],"studies":[2],"the":[3,15,29,33,37,49],"effects":[4],"of":[5,39],"clustering":[6,23],"as":[7],"a":[8],"pre-processing":[9],"step":[10],"and":[11,24,46],"routability":[12,25],"estimation":[13,26],"in":[14,48],"placement":[16],"flow.":[17],"The":[18],"study":[19],"shows":[20],"that":[21],"when":[22,54],"are":[27],"considered,":[28],"placer":[30],"effectively":[31],"improves":[32],"routed":[34,52],"wirelength":[35,53],"for":[36],"circuits":[38],"IBM-PLACE":[40],"2.0":[41],"standard-cell":[42],"Benchmark":[43],"Suite":[44],"[1]":[45],"results":[47],"best":[50],"average":[51],"compared":[55],"against":[56],"state-of-the-art":[57],"academic":[58],"placers.":[59]},"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}