{"id":"https://openalex.org/W2124971684","doi":"https://doi.org/10.1145/1282480.1282546","title":"PRTV, an efficient implementation for large relational data bases","display_name":"PRTV, an efficient implementation for large relational data bases","publication_year":1975,"publication_date":"1975-01-01","ids":{"openalex":"https://openalex.org/W2124971684","doi":"https://doi.org/10.1145/1282480.1282546","mag":"2124971684"},"language":"en","primary_location":{"id":"doi:10.1145/1282480.1282546","is_oa":true,"landing_page_url":"https://doi.org/10.1145/1282480.1282546","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/1282480.1282546","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 1st International Conference on Very Large Data Bases - VLDB '75","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://dl.acm.org/doi/pdf/10.1145/1282480.1282546","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5047921537","display_name":"Stephen Todd","orcid":null},"institutions":[{"id":"https://openalex.org/I1341412227","display_name":"IBM (United States)","ror":"https://ror.org/05hh8d621","country_code":"US","type":"company","lineage":["https://openalex.org/I1341412227"]},{"id":"https://openalex.org/I4210121844","display_name":"IBM (United Kingdom)","ror":"https://ror.org/02wat9f69","country_code":"GB","type":"company","lineage":["https://openalex.org/I1341412227","https://openalex.org/I4210121844"]}],"countries":["GB","US"],"is_corresponding":true,"raw_author_name":"Stephen Todd","raw_affiliation_strings":["IBM UK Scientific Centre, Peterlee, England","IBM UK Scientific Centre, Peterlee, England#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"IBM UK Scientific Centre, Peterlee, England","institution_ids":["https://openalex.org/I4210121844"]},{"raw_affiliation_string":"IBM UK Scientific Centre, Peterlee, England#TAB#","institution_ids":["https://openalex.org/I1341412227"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5047921537"],"corresponding_institution_ids":["https://openalex.org/I1341412227","https://openalex.org/I4210121844"],"apc_list":null,"apc_paid":null,"fwci":3.5986,"has_fulltext":true,"cited_by_count":14,"citation_normalized_percentile":{"value":0.92728384,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"554","last_page":"554"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10317","display_name":"Advanced Database Systems and Queries","score":0.9998000264167786,"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"}},"topics":[{"id":"https://openalex.org/T10317","display_name":"Advanced Database Systems and Queries","score":0.9998000264167786,"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/T11106","display_name":"Data Management and Algorithms","score":0.9975000023841858,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T10215","display_name":"Semantic Web and Ontologies","score":0.9973000288009644,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/extensibility","display_name":"Extensibility","score":0.807108998298645},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7623625993728638},{"id":"https://openalex.org/keywords/base","display_name":"Base (topology)","score":0.7170418500900269},{"id":"https://openalex.org/keywords/relational-database","display_name":"Relational database","score":0.7090198993682861},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.44464224576950073},{"id":"https://openalex.org/keywords/software-engineering","display_name":"Software engineering","score":0.4390595257282257},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.2947523593902588}],"concepts":[{"id":"https://openalex.org/C32833848","wikidata":"https://www.wikidata.org/wiki/Q4115054","display_name":"Extensibility","level":2,"score":0.807108998298645},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7623625993728638},{"id":"https://openalex.org/C42058472","wikidata":"https://www.wikidata.org/wiki/Q810214","display_name":"Base (topology)","level":2,"score":0.7170418500900269},{"id":"https://openalex.org/C5655090","wikidata":"https://www.wikidata.org/wiki/Q192588","display_name":"Relational database","level":2,"score":0.7090198993682861},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.44464224576950073},{"id":"https://openalex.org/C115903868","wikidata":"https://www.wikidata.org/wiki/Q80993","display_name":"Software engineering","level":1,"score":0.4390595257282257},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.2947523593902588},{"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/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/1282480.1282546","is_oa":true,"landing_page_url":"https://doi.org/10.1145/1282480.1282546","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/1282480.1282546","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 1st International Conference on Very Large Data Bases - VLDB '75","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.1145/1282480.1282546","is_oa":true,"landing_page_url":"https://doi.org/10.1145/1282480.1282546","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/1282480.1282546","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 1st International Conference on Very Large Data Bases - VLDB '75","raw_type":"proceedings-article"},"sustainable_development_goals":[{"score":0.5600000023841858,"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9"}],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2124971684.pdf","grobid_xml":"https://content.openalex.org/works/W2124971684.grobid-xml"},"referenced_works_count":7,"referenced_works":["https://openalex.org/W1985181755","https://openalex.org/W2020601345","https://openalex.org/W2034409909","https://openalex.org/W2165467455","https://openalex.org/W4231395712","https://openalex.org/W4237580956","https://openalex.org/W4299625886"],"related_works":["https://openalex.org/W2329070086","https://openalex.org/W2093148164","https://openalex.org/W2091589574","https://openalex.org/W2368479705","https://openalex.org/W2364442150","https://openalex.org/W4240529509","https://openalex.org/W2567230440","https://openalex.org/W258469011","https://openalex.org/W2039555859","https://openalex.org/W2081044726"],"abstract_inverted_index":{"PRTV":[0],"[6]":[1],"is":[2,10,45],"a":[3,21,49,57],"research":[4,61],"prototype":[5,44],"interactive":[6],"data":[7,34,59],"base.":[8],"It":[9],"intended":[11],"for":[12],"use":[13],"on":[14],"its":[15],"own":[16],"or":[17],"as":[18,48],"part":[19],"of":[20,51],"specialist":[22],"system.":[23],"The":[24,43],"principle":[25],"objectives":[26],"are":[27],"to":[28],"provide:":[29],"a)":[30],"high":[31],"level":[32],"flexible":[33],"support,":[35],"b)":[36],"functional":[37],"extensibility":[38],"and":[39,53],"c)":[40],"reasonable":[41],"efficiency.":[42],"also":[46],"designed":[47],"method":[50],"generating":[52],"testing":[54],"ideas":[55],"in":[56],"wider":[58],"base":[60],"programme.":[62]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}