{"id":"https://openalex.org/W1989794433","doi":"https://doi.org/10.1145/1095286.1095295","title":"A two-level architecture for a large data base","display_name":"A two-level architecture for a large data base","publication_year":1976,"publication_date":"1976-04-01","ids":{"openalex":"https://openalex.org/W1989794433","doi":"https://doi.org/10.1145/1095286.1095295","mag":"1989794433"},"language":"en","primary_location":{"id":"doi:10.1145/1095286.1095295","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1095286.1095295","pdf_url":null,"source":{"id":"https://openalex.org/S6756005","display_name":"ACM SIGIR Forum","issn_l":"0163-5840","issn":["0163-5840","1558-0229"],"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":"ACM SIGIR Forum","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/A5103519463","display_name":"Tom\u00e1s Lang","orcid":null},"institutions":[{"id":"https://openalex.org/I161318765","display_name":"University of California, Los Angeles","ror":"https://ror.org/046rm7j60","country_code":"US","type":"education","lineage":["https://openalex.org/I161318765"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Tomas Lang","raw_affiliation_strings":["University of California, Los Angeles, Palo Alto, California","University of California, Los Angeles, Palo Alto, California#TAB#"],"affiliations":[{"raw_affiliation_string":"University of California, Los Angeles, Palo Alto, California","institution_ids":["https://openalex.org/I161318765"]},{"raw_affiliation_string":"University of California, Los Angeles, Palo Alto, California#TAB#","institution_ids":["https://openalex.org/I161318765"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5103519463"],"corresponding_institution_ids":["https://openalex.org/I161318765"],"apc_list":null,"apc_paid":null,"fwci":0.6932,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.65811966,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"10","issue":"4","first_page":"23","last_page":"23"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10054","display_name":"Parallel Computing and Optimization Techniques","score":0.9993000030517578,"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"}},"topics":[{"id":"https://openalex.org/T10054","display_name":"Parallel Computing and Optimization Techniques","score":0.9993000030517578,"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/T10715","display_name":"Distributed and Parallel Computing Systems","score":0.9973000288009644,"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/T11181","display_name":"Advanced Data Storage Technologies","score":0.9969000220298767,"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/computer-science","display_name":"Computer science","score":0.923445463180542},{"id":"https://openalex.org/keywords/base","display_name":"Base (topology)","score":0.6739052534103394},{"id":"https://openalex.org/keywords/computer-architecture","display_name":"Computer architecture","score":0.6690329313278198},{"id":"https://openalex.org/keywords/architecture","display_name":"Architecture","score":0.6220468282699585},{"id":"https://openalex.org/keywords/simple","display_name":"Simple (philosophy)","score":0.5351734161376953},{"id":"https://openalex.org/keywords/microarchitecture","display_name":"Microarchitecture","score":0.46278172731399536},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.45812472701072693},{"id":"https://openalex.org/keywords/computer-hardware","display_name":"Computer hardware","score":0.32693296670913696}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.923445463180542},{"id":"https://openalex.org/C42058472","wikidata":"https://www.wikidata.org/wiki/Q810214","display_name":"Base (topology)","level":2,"score":0.6739052534103394},{"id":"https://openalex.org/C118524514","wikidata":"https://www.wikidata.org/wiki/Q173212","display_name":"Computer architecture","level":1,"score":0.6690329313278198},{"id":"https://openalex.org/C123657996","wikidata":"https://www.wikidata.org/wiki/Q12271","display_name":"Architecture","level":2,"score":0.6220468282699585},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.5351734161376953},{"id":"https://openalex.org/C107598950","wikidata":"https://www.wikidata.org/wiki/Q259864","display_name":"Microarchitecture","level":2,"score":0.46278172731399536},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.45812472701072693},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.32693296670913696},{"id":"https://openalex.org/C153349607","wikidata":"https://www.wikidata.org/wiki/Q36649","display_name":"Visual arts","level":1,"score":0.0},{"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/C142362112","wikidata":"https://www.wikidata.org/wiki/Q735","display_name":"Art","level":0,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/1095286.1095295","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1095286.1095295","pdf_url":null,"source":{"id":"https://openalex.org/S6756005","display_name":"ACM SIGIR Forum","issn_l":"0163-5840","issn":["0163-5840","1558-0229"],"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":"ACM SIGIR Forum","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.4699999988079071,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W122453572","https://openalex.org/W2038503502","https://openalex.org/W2351011383","https://openalex.org/W2146879484","https://openalex.org/W4221002079","https://openalex.org/W1757458251","https://openalex.org/W2141090099","https://openalex.org/W2045325972","https://openalex.org/W1980898636","https://openalex.org/W3008777550"],"abstract_inverted_index":{"A":[0],"two-level":[1],"architecture":[2],"is":[3,35,46],"being":[4],"proposed":[5],"for":[6],"extending":[7],"third":[8],"generation":[9],"computer":[10],"systems":[11],"such":[12],"as":[13],"the":[14],"S/370.":[15],"By":[16],"attaching":[17],"a":[18],"DASD":[19,44],"processor":[20,45],"to":[21],"each":[22],"DASD,":[23],"performance":[24],"in":[25],"large":[26],"data":[27,40],"base":[28,41],"applications":[29],"can":[30,50],"be":[31,51],"improved.":[32],"This":[33],"improvement":[34],"achievable":[36],"without":[37],"modifying":[38],"existing":[39],"organization.":[42],"The":[43],"very":[47],"simple":[48],"and":[49],"implemented":[52],"using":[53],"commercially":[54],"available":[55],"microprocessors.":[56]},"counts_by_year":[{"year":2023,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}