{"id":"https://openalex.org/W2120673397","doi":"https://doi.org/10.1109/tkde.2004.1277824","title":"A selectivity model for fragmented relations: applied in information retrieval","display_name":"A selectivity model for fragmented relations: applied in information retrieval","publication_year":2004,"publication_date":"2004-03-30","ids":{"openalex":"https://openalex.org/W2120673397","doi":"https://doi.org/10.1109/tkde.2004.1277824","mag":"2120673397"},"language":"en","primary_location":{"id":"doi:10.1109/tkde.2004.1277824","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tkde.2004.1277824","pdf_url":null,"source":{"id":"https://openalex.org/S30698027","display_name":"IEEE Transactions on Knowledge and Data Engineering","issn_l":"1041-4347","issn":["1041-4347","1558-2191","2326-3865"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Knowledge and Data Engineering","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://ris.utwente.nl/ws/files/6822348/selectivity-model-blok.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5040369634","display_name":"Henk Ernst Blok","orcid":null},"institutions":[{"id":"https://openalex.org/I94624287","display_name":"University of Twente","ror":"https://ror.org/006hf6230","country_code":"NL","type":"education","lineage":["https://openalex.org/I94624287"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"H.E. Blok","raw_affiliation_strings":["Computer Science Department, University of Twente, Enschede, Netherlands","Dept. of Comput. Sci., Twente Univ., Enschede, Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Computer Science Department, University of Twente, Enschede, Netherlands","institution_ids":["https://openalex.org/I94624287"]},{"raw_affiliation_string":"Dept. of Comput. Sci., Twente Univ., Enschede, Netherlands","institution_ids":["https://openalex.org/I94624287"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023772220","display_name":"Sunil Choenni","orcid":"https://orcid.org/0000-0003-2772-6330"},"institutions":[{"id":"https://openalex.org/I94624287","display_name":"University of Twente","ror":"https://ror.org/006hf6230","country_code":"NL","type":"education","lineage":["https://openalex.org/I94624287"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"S. Choenni","raw_affiliation_strings":["Computer Science Department, University of Twente, Enschede, Netherlands","Dept. of Comput. Sci., Twente Univ., Enschede, Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Computer Science Department, University of Twente, Enschede, Netherlands","institution_ids":["https://openalex.org/I94624287"]},{"raw_affiliation_string":"Dept. of Comput. Sci., Twente Univ., Enschede, Netherlands","institution_ids":["https://openalex.org/I94624287"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071011503","display_name":"Henk Blanken","orcid":null},"institutions":[{"id":"https://openalex.org/I94624287","display_name":"University of Twente","ror":"https://ror.org/006hf6230","country_code":"NL","type":"education","lineage":["https://openalex.org/I94624287"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"H.M. Blanken","raw_affiliation_strings":["Computer Science Department, University of Twente, Enschede, Netherlands","Dept. of Comput. Sci., Twente Univ., Enschede, Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Computer Science Department, University of Twente, Enschede, Netherlands","institution_ids":["https://openalex.org/I94624287"]},{"raw_affiliation_string":"Dept. of Comput. Sci., Twente Univ., Enschede, Netherlands","institution_ids":["https://openalex.org/I94624287"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5091150744","display_name":"Peter M. G. Apers","orcid":null},"institutions":[{"id":"https://openalex.org/I94624287","display_name":"University of Twente","ror":"https://ror.org/006hf6230","country_code":"NL","type":"education","lineage":["https://openalex.org/I94624287"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"P.M.G. Apers","raw_affiliation_strings":["Computer Science Department, University of Twente, Enschede, Netherlands","Dept. of Comput. Sci., Twente Univ., Enschede, Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Computer Science Department, University of Twente, Enschede, Netherlands","institution_ids":["https://openalex.org/I94624287"]},{"raw_affiliation_string":"Dept. of Comput. Sci., Twente Univ., Enschede, Netherlands","institution_ids":["https://openalex.org/I94624287"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I94624287"],"apc_list":null,"apc_paid":null,"fwci":0.2467,"has_fulltext":true,"cited_by_count":4,"citation_normalized_percentile":{"value":0.66648629,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"16","issue":"5","first_page":"635","last_page":"639"},"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":0.9994999766349792,"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/T11181","display_name":"Advanced Data Storage Technologies","score":0.9907000064849854,"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":0.8773455619812012},{"id":"https://openalex.org/keywords/fragmentation","display_name":"Fragmentation (computing)","score":0.71821528673172},{"id":"https://openalex.org/keywords/query-optimization","display_name":"Query optimization","score":0.5071167945861816},{"id":"https://openalex.org/keywords/distributed-database","display_name":"Distributed database","score":0.4472603499889374},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.3902491331100464},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.3706306219100952},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.3693801760673523},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.3498072922229767}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8773455619812012},{"id":"https://openalex.org/C191015642","wikidata":"https://www.wikidata.org/wiki/Q1132459","display_name":"Fragmentation (computing)","level":2,"score":0.71821528673172},{"id":"https://openalex.org/C157692150","wikidata":"https://www.wikidata.org/wiki/Q2919848","display_name":"Query optimization","level":2,"score":0.5071167945861816},{"id":"https://openalex.org/C70061542","wikidata":"https://www.wikidata.org/wiki/Q989016","display_name":"Distributed database","level":2,"score":0.4472603499889374},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3902491331100464},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.3706306219100952},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.3693801760673523},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.3498072922229767},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tkde.2004.1277824","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tkde.2004.1277824","pdf_url":null,"source":{"id":"https://openalex.org/S30698027","display_name":"IEEE Transactions on Knowledge and Data Engineering","issn_l":"1041-4347","issn":["1041-4347","1558-2191","2326-3865"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Knowledge and Data Engineering","raw_type":"journal-article"},{"id":"pmh:oai:ris.utwente.nl:openaire/7bb70715-bca9-41ee-bc09-827deaba3f43","is_oa":true,"landing_page_url":"https://research.utwente.nl/en/publications/7bb70715-bca9-41ee-bc09-827deaba3f43","pdf_url":"https://ris.utwente.nl/ws/files/6822348/selectivity-model-blok.pdf","source":{"id":"https://openalex.org/S4406922991","display_name":"University of Twente Research Information","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Blok, H E, Choenni, R S, Blanken, H M & Apers, P M G 2004, 'A Selectivity Model for Fragmented Relations : Applied in Information Retrieval', IEEE transactions on knowledge and data engineering, vol. 16, no. 5, pp. 635-639. https://doi.org/10.1109/TKDE.2004.1277824","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"pmh:oai:ris.utwente.nl:openaire/7bb70715-bca9-41ee-bc09-827deaba3f43","is_oa":true,"landing_page_url":"https://research.utwente.nl/en/publications/7bb70715-bca9-41ee-bc09-827deaba3f43","pdf_url":"https://ris.utwente.nl/ws/files/6822348/selectivity-model-blok.pdf","source":{"id":"https://openalex.org/S4406922991","display_name":"University of Twente Research Information","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Blok, H E, Choenni, R S, Blanken, H M & Apers, P M G 2004, 'A Selectivity Model for Fragmented Relations : Applied in Information Retrieval', IEEE transactions on knowledge and data engineering, vol. 16, no. 5, pp. 635-639. https://doi.org/10.1109/TKDE.2004.1277824","raw_type":"info:eu-repo/semantics/article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2120673397.pdf","grobid_xml":"https://content.openalex.org/works/W2120673397.grobid-xml"},"referenced_works_count":39,"referenced_works":["https://openalex.org/W1488719427","https://openalex.org/W1495105959","https://openalex.org/W1528985519","https://openalex.org/W1539944119","https://openalex.org/W1741576755","https://openalex.org/W1964857063","https://openalex.org/W1968829657","https://openalex.org/W2003262311","https://openalex.org/W2005188603","https://openalex.org/W2016758618","https://openalex.org/W2079656678","https://openalex.org/W2090403603","https://openalex.org/W2104128837","https://openalex.org/W2110213158","https://openalex.org/W2118229812","https://openalex.org/W2120673397","https://openalex.org/W2123209274","https://openalex.org/W2128756912","https://openalex.org/W2130382342","https://openalex.org/W2133900260","https://openalex.org/W2134876510","https://openalex.org/W2138793904","https://openalex.org/W2155166680","https://openalex.org/W2171903035","https://openalex.org/W2259181357","https://openalex.org/W3010267622","https://openalex.org/W3015405303","https://openalex.org/W3023145602","https://openalex.org/W4230112007","https://openalex.org/W4230435573","https://openalex.org/W4236226996","https://openalex.org/W4237172715","https://openalex.org/W4246006899","https://openalex.org/W6629165815","https://openalex.org/W6629505283","https://openalex.org/W6631560585","https://openalex.org/W6651238488","https://openalex.org/W6679629005","https://openalex.org/W6680052129"],"related_works":["https://openalex.org/W2189039295","https://openalex.org/W2123323016","https://openalex.org/W2131102005","https://openalex.org/W2385423149","https://openalex.org/W2554740646","https://openalex.org/W2319413895","https://openalex.org/W2379163160","https://openalex.org/W2170892047","https://openalex.org/W2184560934","https://openalex.org/W3154579368"],"abstract_inverted_index":{"New":[0],"application":[1],"domains":[2],"cause":[3],"today's":[4],"database":[5],"sizes":[6],"to":[7,32],"grow":[8],"rapidly,":[9],"posing":[10],"great":[11],"demands":[12],"on":[13,75],"technology.":[14],"Data":[15],"fragmentation":[16,29],"facilitates":[17,65],"techniques":[18],"(like":[19],"distribution,":[20,90],"parallelization.":[21],"and":[22,45,94],"main-memory":[23],"computing)":[24],"meeting":[25],"these":[26],"demands.":[27],"Also,":[28],"might":[30],"help":[31],"improve":[33],"efficient":[34],"processing":[35],"of":[36,52],"query":[37,46],"types":[38],"such":[39],"as":[40],"top":[41],"N.":[42],"Database":[43],"design":[44],"optimization":[47],"require":[48],"a":[49,57],"good":[50,96],"notion":[51],"the":[53,76,88],"costs":[54],"resulting":[55,91],"from":[56],"certain":[58],"fragmentation.":[59],"Our":[60],"mathematically":[61],"derived":[62],"selectivity":[63,97],"model":[64,85],"this.":[66],"Once":[67],"its":[68],"two":[69],"parameters":[70],"have":[71],"been":[72],"computed":[73],"based":[74],"fragmentation,":[77],"after":[78],"each":[79],"(though":[80],"usually":[81],"infrequent)":[82],"update,":[83],"our":[84],"can":[86],"forget":[87],"data":[89],"in":[92],"fast":[93],"quite":[95],"estimation.":[98],"We":[99],"show":[100],"experimental":[101],"verification":[102],"for":[103],"Zipfian":[104],"distributed":[105],"IR":[106],"databases.":[107]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2016,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
