{"id":"https://openalex.org/W2028453141","doi":"https://doi.org/10.1145/2484838.2484882","title":"Inverted indices for particle tracking in petascale cosmological simulations","display_name":"Inverted indices for particle tracking in petascale cosmological simulations","publication_year":2013,"publication_date":"2013-07-29","ids":{"openalex":"https://openalex.org/W2028453141","doi":"https://doi.org/10.1145/2484838.2484882","mag":"2028453141"},"language":"en","primary_location":{"id":"doi:10.1145/2484838.2484882","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2484838.2484882","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 25th International Conference on Scientific and Statistical Database Management","raw_type":"proceedings-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/A5077179019","display_name":"Daniel Crankshaw","orcid":null},"institutions":[{"id":"https://openalex.org/I145311948","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Daniel Crankshaw","raw_affiliation_strings":["The Johns Hopkins University, Baltimore, MD","The Johns Hopkins University , Baltimore, MD"],"affiliations":[{"raw_affiliation_string":"The Johns Hopkins University, Baltimore, MD","institution_ids":["https://openalex.org/I145311948"]},{"raw_affiliation_string":"The Johns Hopkins University , Baltimore, MD","institution_ids":["https://openalex.org/I145311948"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5084849539","display_name":"Randal Burns","orcid":"https://orcid.org/0000-0002-2924-1997"},"institutions":[{"id":"https://openalex.org/I145311948","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Randal Burns","raw_affiliation_strings":["The Johns Hopkins University, Baltimore, MD","The Johns Hopkins University , Baltimore, MD"],"affiliations":[{"raw_affiliation_string":"The Johns Hopkins University, Baltimore, MD","institution_ids":["https://openalex.org/I145311948"]},{"raw_affiliation_string":"The Johns Hopkins University , Baltimore, MD","institution_ids":["https://openalex.org/I145311948"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034268905","display_name":"Bridget Falck","orcid":null},"institutions":[{"id":"https://openalex.org/I63072094","display_name":"University of Portsmouth","ror":"https://ror.org/03ykbk197","country_code":"GB","type":"education","lineage":["https://openalex.org/I63072094"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Bridget Falck","raw_affiliation_strings":["University of Portsmouth, Portsmouth, UK","University of Portsmouth. Portsmouth. UK"],"affiliations":[{"raw_affiliation_string":"University of Portsmouth, Portsmouth, UK","institution_ids":["https://openalex.org/I63072094"]},{"raw_affiliation_string":"University of Portsmouth. Portsmouth. UK","institution_ids":["https://openalex.org/I63072094"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058636306","display_name":"Tam\u00e1s Budav\u00e1ri","orcid":"https://orcid.org/0000-0002-7034-4621"},"institutions":[{"id":"https://openalex.org/I145311948","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Tam\u00e1s Budav\u00e1ri","raw_affiliation_strings":["The Johns Hopkins University, Baltimore, MD","The Johns Hopkins University , Baltimore, MD"],"affiliations":[{"raw_affiliation_string":"The Johns Hopkins University, Baltimore, MD","institution_ids":["https://openalex.org/I145311948"]},{"raw_affiliation_string":"The Johns Hopkins University , Baltimore, MD","institution_ids":["https://openalex.org/I145311948"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019891335","display_name":"Alexander S. Szalay","orcid":"https://orcid.org/0000-0002-4108-3282"},"institutions":[{"id":"https://openalex.org/I145311948","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Alexander S. Szalay","raw_affiliation_strings":["The Johns Hopkins University, Baltimore, MD","The Johns Hopkins University , Baltimore, MD"],"affiliations":[{"raw_affiliation_string":"The Johns Hopkins University, Baltimore, MD","institution_ids":["https://openalex.org/I145311948"]},{"raw_affiliation_string":"The Johns Hopkins University , Baltimore, MD","institution_ids":["https://openalex.org/I145311948"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5106290765","display_name":"Jie Wang","orcid":"https://orcid.org/0000-0002-9937-2351"},"institutions":[{"id":"https://openalex.org/I922237871","display_name":"Netherlands Institute for Radio Astronomy","ror":"https://ror.org/000k1q888","country_code":"NL","type":"funder","lineage":["https://openalex.org/I2800991832","https://openalex.org/I922237871"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Jie Wang","raw_affiliation_strings":["Nat. Astron. Obs. Of China, ChaoYang, Beijing, China","Nat. Astron. Obs. Of China, ChaoYang, Beijing, China#TAB#"],"affiliations":[{"raw_affiliation_string":"Nat. Astron. Obs. Of China, ChaoYang, Beijing, China","institution_ids":[]},{"raw_affiliation_string":"Nat. Astron. Obs. Of China, ChaoYang, Beijing, China#TAB#","institution_ids":["https://openalex.org/I922237871"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5077179019"],"corresponding_institution_ids":["https://openalex.org/I145311948"],"apc_list":null,"apc_paid":null,"fwci":0.8517,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.78010412,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"10"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10026","display_name":"Galaxies: Formation, Evolution, Phenomena","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10026","display_name":"Galaxies: Formation, Evolution, Phenomena","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10818","display_name":"Astrophysics and Cosmic Phenomena","score":0.9939000010490417,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12450","display_name":"Radio Astronomy Observations and Technology","score":0.987500011920929,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/petascale-computing","display_name":"Petascale computing","score":0.7922261953353882},{"id":"https://openalex.org/keywords/tracking","display_name":"Tracking (education)","score":0.7533746957778931},{"id":"https://openalex.org/keywords/suite","display_name":"Suite","score":0.7134374380111694},{"id":"https://openalex.org/keywords/particle","display_name":"Particle (ecology)","score":0.5917990207672119},{"id":"https://openalex.org/keywords/volume","display_name":"Volume (thermodynamics)","score":0.5589026212692261},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5347736477851868},{"id":"https://openalex.org/keywords/aggregate","display_name":"Aggregate (composite)","score":0.5166271328926086},{"id":"https://openalex.org/keywords/dark-matter","display_name":"Dark matter","score":0.5118957757949829},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.4998488426208496},{"id":"https://openalex.org/keywords/computational-science","display_name":"Computational science","score":0.3453848958015442},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.339905321598053},{"id":"https://openalex.org/keywords/statistical-physics","display_name":"Statistical physics","score":0.3397754430770874},{"id":"https://openalex.org/keywords/particle-physics","display_name":"Particle physics","score":0.1638367474079132},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.15386289358139038},{"id":"https://openalex.org/keywords/supercomputer","display_name":"Supercomputer","score":0.14362314343452454},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.09917846322059631},{"id":"https://openalex.org/keywords/nanotechnology","display_name":"Nanotechnology","score":0.09731227159500122}],"concepts":[{"id":"https://openalex.org/C185410017","wikidata":"https://www.wikidata.org/wiki/Q7171778","display_name":"Petascale computing","level":3,"score":0.7922261953353882},{"id":"https://openalex.org/C2775936607","wikidata":"https://www.wikidata.org/wiki/Q466845","display_name":"Tracking (education)","level":2,"score":0.7533746957778931},{"id":"https://openalex.org/C79581498","wikidata":"https://www.wikidata.org/wiki/Q1367530","display_name":"Suite","level":2,"score":0.7134374380111694},{"id":"https://openalex.org/C2778517922","wikidata":"https://www.wikidata.org/wiki/Q7140482","display_name":"Particle (ecology)","level":2,"score":0.5917990207672119},{"id":"https://openalex.org/C20556612","wikidata":"https://www.wikidata.org/wiki/Q4469374","display_name":"Volume (thermodynamics)","level":2,"score":0.5589026212692261},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5347736477851868},{"id":"https://openalex.org/C4679612","wikidata":"https://www.wikidata.org/wiki/Q866298","display_name":"Aggregate (composite)","level":2,"score":0.5166271328926086},{"id":"https://openalex.org/C159249277","wikidata":"https://www.wikidata.org/wiki/Q79925","display_name":"Dark matter","level":2,"score":0.5118957757949829},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.4998488426208496},{"id":"https://openalex.org/C459310","wikidata":"https://www.wikidata.org/wiki/Q117801","display_name":"Computational science","level":1,"score":0.3453848958015442},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.339905321598053},{"id":"https://openalex.org/C121864883","wikidata":"https://www.wikidata.org/wiki/Q677916","display_name":"Statistical physics","level":1,"score":0.3397754430770874},{"id":"https://openalex.org/C109214941","wikidata":"https://www.wikidata.org/wiki/Q18334","display_name":"Particle physics","level":1,"score":0.1638367474079132},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.15386289358139038},{"id":"https://openalex.org/C83283714","wikidata":"https://www.wikidata.org/wiki/Q121117","display_name":"Supercomputer","level":2,"score":0.14362314343452454},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.09917846322059631},{"id":"https://openalex.org/C171250308","wikidata":"https://www.wikidata.org/wiki/Q11468","display_name":"Nanotechnology","level":1,"score":0.09731227159500122},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"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/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0},{"id":"https://openalex.org/C19417346","wikidata":"https://www.wikidata.org/wiki/Q7922","display_name":"Pedagogy","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/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.0},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/2484838.2484882","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2484838.2484882","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 25th International Conference on Scientific and Statistical Database Management","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G4898687354","display_name":null,"funder_award_id":"GBMF#554.02","funder_id":"https://openalex.org/F4320306202","funder_display_name":"Gordon and Betty Moore Foundation"},{"id":"https://openalex.org/G6434389509","display_name":null,"funder_award_id":"OIA-1124403","funder_id":"https://openalex.org/F4320337378","funder_display_name":"Office of Integrative Activities"}],"funders":[{"id":"https://openalex.org/F4320306202","display_name":"Gordon and Betty Moore Foundation","ror":"https://ror.org/006wxqw41"},{"id":"https://openalex.org/F4320337378","display_name":"Office of Integrative Activities","ror":"https://ror.org/04k9mqs78"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W134045420","https://openalex.org/W1497953515","https://openalex.org/W2032469582","https://openalex.org/W2047501081","https://openalex.org/W2100188138","https://openalex.org/W2122861381","https://openalex.org/W2123845384","https://openalex.org/W2135971687","https://openalex.org/W2140980002","https://openalex.org/W2152437528","https://openalex.org/W2159772324","https://openalex.org/W2161769278","https://openalex.org/W2182320174","https://openalex.org/W3044085348","https://openalex.org/W3098221464","https://openalex.org/W3100004110","https://openalex.org/W3101721535"],"related_works":["https://openalex.org/W1970451660","https://openalex.org/W2335262827","https://openalex.org/W2515491806","https://openalex.org/W2900297768","https://openalex.org/W2138489792","https://openalex.org/W2109720355","https://openalex.org/W280508897","https://openalex.org/W2109656481","https://openalex.org/W2335675986","https://openalex.org/W2171448238"],"abstract_inverted_index":{"We":[0,17],"describe":[1],"the":[2,13,20,24,54,76,80,93],"challenges":[3],"arising":[4],"from":[5],"tracking":[6],"dark":[7],"matter":[8],"particles":[9,38,73],"in":[10,19,59],"state":[11],"of":[12,22,27,33,41,79],"art":[14],"cosmological":[15],"simulations.":[16],"are":[18],"process":[21],"running":[23],"Indra":[25],"suite":[26],"simulations,":[28],"with":[29],"an":[30,60],"aggregate":[31],"count":[32],"more":[34],"than":[35],"35":[36],"trillion":[37],"and":[39,57],"1.1PB":[40],"total":[42],"raw":[43,89],"data":[44],"volume.":[45],"However,":[46],"it":[47],"is":[48],"not":[49],"enough":[50],"just":[51],"to":[52,67,70,92],"store":[53],"particle":[55],"positions":[56],"velocities":[58],"efficient":[61],"manner":[62],"--":[63],"analyses":[64],"also":[65],"need":[66],"be":[68],"able":[69],"track":[71],"individual":[72],"efficiently":[74],"through":[75],"temporal":[77],"history":[78],"simulation.":[81,95],"The":[82],"required":[83],"inverted":[84],"indices":[85],"can":[86],"easily":[87],"have":[88],"sizes":[90],"comparable":[91],"original":[94]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2014,"cited_by_count":4}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}