{"id":"https://openalex.org/W2099381255","doi":"https://doi.org/10.1007/s10115-007-0089-z","title":"A relational model for XML structural joins and their size estimations","display_name":"A relational model for XML structural joins and their size estimations","publication_year":2007,"publication_date":"2007-07-03","ids":{"openalex":"https://openalex.org/W2099381255","doi":"https://doi.org/10.1007/s10115-007-0089-z","mag":"2099381255"},"language":"en","primary_location":{"id":"doi:10.1007/s10115-007-0089-z","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s10115-007-0089-z","pdf_url":null,"source":{"id":"https://openalex.org/S81770430","display_name":"Knowledge and Information Systems","issn_l":"0219-1377","issn":["0219-1377","0219-3116"],"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":"Knowledge and Information Systems","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/A5064061862","display_name":"Cheng Luo","orcid":"https://orcid.org/0000-0001-9906-7827"},"institutions":[{"id":"https://openalex.org/I110378019","display_name":"Southern Illinois University Carbondale","ror":"https://ror.org/049kefs16","country_code":"US","type":"education","lineage":["https://openalex.org/I110378019","https://openalex.org/I2801502357"]},{"id":"https://openalex.org/I4210094983","display_name":"ScienceSouth","ror":"https://ror.org/00my6s217","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I4210094983"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Cheng Luo","raw_affiliation_strings":["Department of Computer Science, Southern Illinois University Carbondale, Carbondale, IL, 62901, USA","Southern Illinois University Carbondale, Department of Computer Science, 62901, Carbondale, IL, USA"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, Southern Illinois University Carbondale, Carbondale, IL, 62901, USA","institution_ids":["https://openalex.org/I110378019","https://openalex.org/I4210094983"]},{"raw_affiliation_string":"Southern Illinois University Carbondale, Department of Computer Science, 62901, Carbondale, IL, USA","institution_ids":["https://openalex.org/I110378019"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046317279","display_name":"Zhewei Jiang","orcid":"https://orcid.org/0000-0002-7893-9208"},"institutions":[{"id":"https://openalex.org/I4210094983","display_name":"ScienceSouth","ror":"https://ror.org/00my6s217","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I4210094983"]},{"id":"https://openalex.org/I110378019","display_name":"Southern Illinois University Carbondale","ror":"https://ror.org/049kefs16","country_code":"US","type":"education","lineage":["https://openalex.org/I110378019","https://openalex.org/I2801502357"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Zhewei Jiang","raw_affiliation_strings":["Department of Computer Science, Southern Illinois University Carbondale, Carbondale, IL, 62901, USA","Southern Illinois University Carbondale, Department of Computer Science, 62901, Carbondale, IL, USA"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, Southern Illinois University Carbondale, Carbondale, IL, 62901, USA","institution_ids":["https://openalex.org/I110378019","https://openalex.org/I4210094983"]},{"raw_affiliation_string":"Southern Illinois University Carbondale, Department of Computer Science, 62901, Carbondale, IL, USA","institution_ids":["https://openalex.org/I110378019"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111414478","display_name":"Wen\u2010Chi Hou","orcid":null},"institutions":[{"id":"https://openalex.org/I110378019","display_name":"Southern Illinois University Carbondale","ror":"https://ror.org/049kefs16","country_code":"US","type":"education","lineage":["https://openalex.org/I110378019","https://openalex.org/I2801502357"]},{"id":"https://openalex.org/I4210094983","display_name":"ScienceSouth","ror":"https://ror.org/00my6s217","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I4210094983"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Wen-Chi Hou","raw_affiliation_strings":["Department of Computer Science, Southern Illinois University Carbondale, Carbondale, IL, 62901, USA","Southern Illinois University Carbondale, Department of Computer Science, 62901, Carbondale, IL, USA"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, Southern Illinois University Carbondale, Carbondale, IL, 62901, USA","institution_ids":["https://openalex.org/I110378019","https://openalex.org/I4210094983"]},{"raw_affiliation_string":"Southern Illinois University Carbondale, Department of Computer Science, 62901, Carbondale, IL, USA","institution_ids":["https://openalex.org/I110378019"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020984539","display_name":"Feng Yan","orcid":"https://orcid.org/0000-0001-7090-6121"},"institutions":[{"id":"https://openalex.org/I110378019","display_name":"Southern Illinois University Carbondale","ror":"https://ror.org/049kefs16","country_code":"US","type":"education","lineage":["https://openalex.org/I110378019","https://openalex.org/I2801502357"]},{"id":"https://openalex.org/I4210094983","display_name":"ScienceSouth","ror":"https://ror.org/00my6s217","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I4210094983"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Feng Yan","raw_affiliation_strings":["Department of Computer Science, Southern Illinois University Carbondale, Carbondale, IL, 62901, USA","Southern Illinois University Carbondale, Department of Computer Science, 62901, Carbondale, IL, USA"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, Southern Illinois University Carbondale, Carbondale, IL, 62901, USA","institution_ids":["https://openalex.org/I110378019","https://openalex.org/I4210094983"]},{"raw_affiliation_string":"Southern Illinois University Carbondale, Department of Computer Science, 62901, Carbondale, IL, USA","institution_ids":["https://openalex.org/I110378019"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5103136845","display_name":"Qiang Zhu","orcid":"https://orcid.org/0000-0001-7094-9236"},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan\u2013Ann Arbor","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]},{"id":"https://openalex.org/I4210130704","display_name":"University of Michigan\u2013Dearborn","ror":"https://ror.org/035wtm547","country_code":"US","type":"education","lineage":["https://openalex.org/I4210130704"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Qiang Zhu","raw_affiliation_strings":["Department of Computer and Information Science, University of Michigan-Dearborn, Dearborn, MI, 48128, USA","University of Michigan-Dearborn, Department of Computer and Information Science, 48128, Dearborn, MI, USA#TAB#"],"affiliations":[{"raw_affiliation_string":"Department of Computer and Information Science, University of Michigan-Dearborn, Dearborn, MI, 48128, USA","institution_ids":["https://openalex.org/I4210130704"]},{"raw_affiliation_string":"University of Michigan-Dearborn, Department of Computer and Information Science, 48128, Dearborn, MI, USA#TAB#","institution_ids":["https://openalex.org/I27837315"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5064061862"],"corresponding_institution_ids":["https://openalex.org/I110378019","https://openalex.org/I4210094983"],"apc_list":{"value":2290,"currency":"EUR","value_usd":2890},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.15214136,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":93},"biblio":{"volume":"16","issue":"1","first_page":"97","last_page":"127"},"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":0.9976999759674072,"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/joins","display_name":"Joins","score":0.8642114400863647},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7845754623413086},{"id":"https://openalex.org/keywords/query-plan","display_name":"Query plan","score":0.5491923093795776},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.538943886756897},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.46436402201652527},{"id":"https://openalex.org/keywords/query-optimization","display_name":"Query optimization","score":0.44896626472473145},{"id":"https://openalex.org/keywords/xml","display_name":"XML","score":0.4182151257991791},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3984629213809967},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.3368036150932312},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.3047100305557251},{"id":"https://openalex.org/keywords/sargable","display_name":"Sargable","score":0.15094393491744995},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.1450355052947998}],"concepts":[{"id":"https://openalex.org/C2778692605","wikidata":"https://www.wikidata.org/wiki/Q4041866","display_name":"Joins","level":2,"score":0.8642114400863647},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7845754623413086},{"id":"https://openalex.org/C2779729312","wikidata":"https://www.wikidata.org/wiki/Q784232","display_name":"Query plan","level":5,"score":0.5491923093795776},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.538943886756897},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.46436402201652527},{"id":"https://openalex.org/C157692150","wikidata":"https://www.wikidata.org/wiki/Q2919848","display_name":"Query optimization","level":2,"score":0.44896626472473145},{"id":"https://openalex.org/C8797682","wikidata":"https://www.wikidata.org/wiki/Q2115","display_name":"XML","level":2,"score":0.4182151257991791},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3984629213809967},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.3368036150932312},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.3047100305557251},{"id":"https://openalex.org/C192939062","wikidata":"https://www.wikidata.org/wiki/Q104840822","display_name":"Sargable","level":4,"score":0.15094393491744995},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.1450355052947998},{"id":"https://openalex.org/C97854310","wikidata":"https://www.wikidata.org/wiki/Q19541","display_name":"Search engine","level":2,"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/C164120249","wikidata":"https://www.wikidata.org/wiki/Q995982","display_name":"Web search query","level":3,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s10115-007-0089-z","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s10115-007-0089-z","pdf_url":null,"source":{"id":"https://openalex.org/S81770430","display_name":"Knowledge and Information Systems","issn_l":"0219-1377","issn":["0219-1377","0219-3116"],"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":"Knowledge and Information Systems","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W1489213177","https://openalex.org/W1491685937","https://openalex.org/W1503428008","https://openalex.org/W1537369822","https://openalex.org/W1975887898","https://openalex.org/W1981606407","https://openalex.org/W1994694191","https://openalex.org/W2013092187","https://openalex.org/W2021850646","https://openalex.org/W2040374677","https://openalex.org/W2048914925","https://openalex.org/W2062446895","https://openalex.org/W2064379477","https://openalex.org/W2087013144","https://openalex.org/W2106163100","https://openalex.org/W2110459974","https://openalex.org/W2113414933","https://openalex.org/W2113836856","https://openalex.org/W2114029045","https://openalex.org/W2132560950","https://openalex.org/W2148706674","https://openalex.org/W2148832586","https://openalex.org/W2152175785","https://openalex.org/W2156210689","https://openalex.org/W2161520607","https://openalex.org/W4213277510","https://openalex.org/W4246532143","https://openalex.org/W4255557608","https://openalex.org/W4256555983","https://openalex.org/W4285719527","https://openalex.org/W6629228971"],"related_works":["https://openalex.org/W2378924333","https://openalex.org/W2362446711","https://openalex.org/W1495801388","https://openalex.org/W2551308855","https://openalex.org/W2064616681","https://openalex.org/W2048497404","https://openalex.org/W1977331029","https://openalex.org/W2941854747","https://openalex.org/W50436801","https://openalex.org/W1943557536"],"abstract_inverted_index":null,"counts_by_year":[{"year":2021,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}