{"id":"https://openalex.org/W2035808430","doi":"https://doi.org/10.1007/s007780050002","title":"Functional-join processing","display_name":"Functional-join processing","publication_year":2000,"publication_date":"2000-02-01","ids":{"openalex":"https://openalex.org/W2035808430","doi":"https://doi.org/10.1007/s007780050002","mag":"2035808430"},"language":"en","primary_location":{"id":"doi:10.1007/s007780050002","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s007780050002","pdf_url":null,"source":{"id":"https://openalex.org/S78926909","display_name":"The VLDB Journal","issn_l":"0949-877X","issn":["0949-877X","1066-8888"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The VLDB Journal The International Journal on Very Large Data Bases","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/A5080022874","display_name":"Reinhard Braumandl","orcid":null},"institutions":[{"id":"https://openalex.org/I186354981","display_name":"University of Passau","ror":"https://ror.org/05ydjnb78","country_code":"DE","type":"education","lineage":["https://openalex.org/I186354981"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"R. Braumandl","raw_affiliation_strings":["Universit\u00e4t Passau, Lehrstuhl f\u00fcr Informatik, 94030 Passau, Germany; e-mail: {braumandl,claussen,kemper,kossmann}@db.fmi.uni-passau.de, , , , , , DE","e-mail: {braumandl,claussen,kemper,kossmann}@db.fmi.uni-passau.de, , , , , , DE","Universit\u00e4t Passau, Lehrstuhl f\u00fcr Informatik, 94030 Passau, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Universit\u00e4t Passau, Lehrstuhl f\u00fcr Informatik, 94030 Passau, Germany; e-mail: {braumandl,claussen,kemper,kossmann}@db.fmi.uni-passau.de, , , , , , DE","institution_ids":["https://openalex.org/I186354981"]},{"raw_affiliation_string":"e-mail: {braumandl,claussen,kemper,kossmann}@db.fmi.uni-passau.de, , , , , , DE","institution_ids":[]},{"raw_affiliation_string":"Universit\u00e4t Passau, Lehrstuhl f\u00fcr Informatik, 94030 Passau, Germany","institution_ids":["https://openalex.org/I186354981"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049466613","display_name":"Jens Christian Claussen","orcid":"https://orcid.org/0000-0002-9870-4924"},"institutions":[{"id":"https://openalex.org/I186354981","display_name":"University of Passau","ror":"https://ror.org/05ydjnb78","country_code":"DE","type":"education","lineage":["https://openalex.org/I186354981"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"J. Claussen","raw_affiliation_strings":["Universit\u00e4t Passau, Lehrstuhl f\u00fcr Informatik, 94030 Passau, Germany; e-mail: {braumandl,claussen,kemper,kossmann}@db.fmi.uni-passau.de, , , , , , DE","Universit\u00e4t Passau, Lehrstuhl f\u00fcr Informatik, 94030 Passau, Germany","e-mail: {braumandl,claussen,kemper,kossmann}@db.fmi.uni-passau.de, , , , , , DE"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Universit\u00e4t Passau, Lehrstuhl f\u00fcr Informatik, 94030 Passau, Germany; e-mail: {braumandl,claussen,kemper,kossmann}@db.fmi.uni-passau.de, , , , , , DE","institution_ids":["https://openalex.org/I186354981"]},{"raw_affiliation_string":"Universit\u00e4t Passau, Lehrstuhl f\u00fcr Informatik, 94030 Passau, Germany","institution_ids":["https://openalex.org/I186354981"]},{"raw_affiliation_string":"e-mail: {braumandl,claussen,kemper,kossmann}@db.fmi.uni-passau.de, , , , , , DE","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5105815320","display_name":"A. Kemper","orcid":null},"institutions":[{"id":"https://openalex.org/I186354981","display_name":"University of Passau","ror":"https://ror.org/05ydjnb78","country_code":"DE","type":"education","lineage":["https://openalex.org/I186354981"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"A. Kemper","raw_affiliation_strings":["Universit\u00e4t Passau, Lehrstuhl f\u00fcr Informatik, 94030 Passau, Germany; e-mail: {braumandl,claussen,kemper,kossmann}@db.fmi.uni-passau.de, , , , , , DE","Universit\u00e4t Passau, Lehrstuhl f\u00fcr Informatik, 94030 Passau, Germany","e-mail: {braumandl,claussen,kemper,kossmann}@db.fmi.uni-passau.de, , , , , , DE"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Universit\u00e4t Passau, Lehrstuhl f\u00fcr Informatik, 94030 Passau, Germany; e-mail: {braumandl,claussen,kemper,kossmann}@db.fmi.uni-passau.de, , , , , , DE","institution_ids":["https://openalex.org/I186354981"]},{"raw_affiliation_string":"Universit\u00e4t Passau, Lehrstuhl f\u00fcr Informatik, 94030 Passau, Germany","institution_ids":["https://openalex.org/I186354981"]},{"raw_affiliation_string":"e-mail: {braumandl,claussen,kemper,kossmann}@db.fmi.uni-passau.de, , , , , , DE","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5111504785","display_name":"Donald Kossmann","orcid":null},"institutions":[{"id":"https://openalex.org/I186354981","display_name":"University of Passau","ror":"https://ror.org/05ydjnb78","country_code":"DE","type":"education","lineage":["https://openalex.org/I186354981"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"D. Kossmann","raw_affiliation_strings":["Universit\u00e4t Passau, Lehrstuhl f\u00fcr Informatik, 94030 Passau, Germany; e-mail: {braumandl,claussen,kemper,kossmann}@db.fmi.uni-passau.de, , , , , , DE","Universit\u00e4t Passau, Lehrstuhl f\u00fcr Informatik, 94030 Passau, Germany","e-mail: {braumandl,claussen,kemper,kossmann}@db.fmi.uni-passau.de, , , , , , DE"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Universit\u00e4t Passau, Lehrstuhl f\u00fcr Informatik, 94030 Passau, Germany; e-mail: {braumandl,claussen,kemper,kossmann}@db.fmi.uni-passau.de, , , , , , DE","institution_ids":["https://openalex.org/I186354981"]},{"raw_affiliation_string":"Universit\u00e4t Passau, Lehrstuhl f\u00fcr Informatik, 94030 Passau, Germany","institution_ids":["https://openalex.org/I186354981"]},{"raw_affiliation_string":"e-mail: {braumandl,claussen,kemper,kossmann}@db.fmi.uni-passau.de, , , , , , DE","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I186354981"],"apc_list":{"value":2890,"currency":"USD","value_usd":2890},"apc_paid":null,"fwci":3.962,"has_fulltext":false,"cited_by_count":16,"citation_normalized_percentile":{"value":0.93753774,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"8","issue":"3-4","first_page":"156","last_page":"177"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10317","display_name":"Advanced Database Systems and Queries","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9995999932289124,"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/T10772","display_name":"Distributed systems and fault tolerance","score":0.9901000261306763,"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/joins","display_name":"Joins","score":0.8789122104644775},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7848284244537354},{"id":"https://openalex.org/keywords/relational-database","display_name":"Relational database","score":0.6536265015602112},{"id":"https://openalex.org/keywords/relational-model","display_name":"Relational model","score":0.5765312314033508},{"id":"https://openalex.org/keywords/object","display_name":"Object (grammar)","score":0.5577095746994019},{"id":"https://openalex.org/keywords/join","display_name":"Join (topology)","score":0.4697941541671753},{"id":"https://openalex.org/keywords/relational-database-management-system","display_name":"Relational database management system","score":0.4674431085586548},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.46157512068748474},{"id":"https://openalex.org/keywords/functional-dependency","display_name":"Functional dependency","score":0.45256805419921875},{"id":"https://openalex.org/keywords/relational-calculus","display_name":"Relational calculus","score":0.44821232557296753},{"id":"https://openalex.org/keywords/database-design","display_name":"Database design","score":0.4144960641860962},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.41378897428512573},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.3675761818885803},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.3449968695640564},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.17249217629432678},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.14596602320671082},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.09900984168052673},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.06495928764343262}],"concepts":[{"id":"https://openalex.org/C2778692605","wikidata":"https://www.wikidata.org/wiki/Q4041866","display_name":"Joins","level":2,"score":0.8789122104644775},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7848284244537354},{"id":"https://openalex.org/C5655090","wikidata":"https://www.wikidata.org/wiki/Q192588","display_name":"Relational database","level":2,"score":0.6536265015602112},{"id":"https://openalex.org/C40207289","wikidata":"https://www.wikidata.org/wiki/Q755662","display_name":"Relational model","level":3,"score":0.5765312314033508},{"id":"https://openalex.org/C2781238097","wikidata":"https://www.wikidata.org/wiki/Q175026","display_name":"Object (grammar)","level":2,"score":0.5577095746994019},{"id":"https://openalex.org/C2776124973","wikidata":"https://www.wikidata.org/wiki/Q3183033","display_name":"Join (topology)","level":2,"score":0.4697941541671753},{"id":"https://openalex.org/C24394798","wikidata":"https://www.wikidata.org/wiki/Q192588","display_name":"Relational database management system","level":3,"score":0.4674431085586548},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.46157512068748474},{"id":"https://openalex.org/C26320393","wikidata":"https://www.wikidata.org/wiki/Q597053","display_name":"Functional dependency","level":3,"score":0.45256805419921875},{"id":"https://openalex.org/C99436015","wikidata":"https://www.wikidata.org/wiki/Q1722436","display_name":"Relational calculus","level":4,"score":0.44821232557296753},{"id":"https://openalex.org/C148840519","wikidata":"https://www.wikidata.org/wiki/Q1049878","display_name":"Database design","level":2,"score":0.4144960641860962},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.41378897428512573},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.3675761818885803},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3449968695640564},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.17249217629432678},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.14596602320671082},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.09900984168052673},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.06495928764343262},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1007/s007780050002","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s007780050002","pdf_url":null,"source":{"id":"https://openalex.org/S78926909","display_name":"The VLDB Journal","issn_l":"0949-877X","issn":["0949-877X","1066-8888"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The VLDB Journal The International Journal on Very Large Data Bases","raw_type":"journal-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.43.5119","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.43.5119","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.db.fmi.uni-passau.de/publications/journals/oid_vldbj.pdf","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.46.7079","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.46.7079","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.db.fmi.uni-passau.de/publications/journals/oid.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":38,"referenced_works":["https://openalex.org/W82241149","https://openalex.org/W102804107","https://openalex.org/W136079928","https://openalex.org/W203369619","https://openalex.org/W1501284171","https://openalex.org/W1506773713","https://openalex.org/W1508355855","https://openalex.org/W1515932031","https://openalex.org/W1517375317","https://openalex.org/W1522720832","https://openalex.org/W1529638954","https://openalex.org/W1530044031","https://openalex.org/W1581902732","https://openalex.org/W1585685508","https://openalex.org/W1585853635","https://openalex.org/W1867583637","https://openalex.org/W1967133810","https://openalex.org/W1994933468","https://openalex.org/W2001657718","https://openalex.org/W2013255770","https://openalex.org/W2035095545","https://openalex.org/W2064619860","https://openalex.org/W2080527146","https://openalex.org/W2099117306","https://openalex.org/W2099993385","https://openalex.org/W2104034604","https://openalex.org/W2110631345","https://openalex.org/W2117147200","https://openalex.org/W2121847343","https://openalex.org/W2123746648","https://openalex.org/W2126215040","https://openalex.org/W2140678196","https://openalex.org/W2146884585","https://openalex.org/W2161694911","https://openalex.org/W2162758171","https://openalex.org/W2295562782","https://openalex.org/W2295596515","https://openalex.org/W2336493585"],"related_works":["https://openalex.org/W2098812463","https://openalex.org/W4247095193","https://openalex.org/W2085988990","https://openalex.org/W2049150522","https://openalex.org/W2126493028","https://openalex.org/W3022423983","https://openalex.org/W2490753959","https://openalex.org/W1573614767","https://openalex.org/W1504218574","https://openalex.org/W3111672439"],"abstract_inverted_index":null,"counts_by_year":[{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2026-07-23T08:03:31.855105","created_date":"2025-10-10T00:00:00"}
