{"id":"https://openalex.org/W2115969174","doi":"https://doi.org/10.1142/s0218843007001627","title":"APPROXIMATE QUERY PROCESSING USING MULTILAYERED DATA MODEL TO HANDLE ENVIRONMENTAL CONSTRAINTS, PRIVACY AND AVOIDING INFERENCES","display_name":"APPROXIMATE QUERY PROCESSING USING MULTILAYERED DATA MODEL TO HANDLE ENVIRONMENTAL CONSTRAINTS, PRIVACY AND AVOIDING INFERENCES","publication_year":2007,"publication_date":"2007-06-01","ids":{"openalex":"https://openalex.org/W2115969174","doi":"https://doi.org/10.1142/s0218843007001627","mag":"2115969174"},"language":"en","primary_location":{"id":"doi:10.1142/s0218843007001627","is_oa":false,"landing_page_url":"https://doi.org/10.1142/s0218843007001627","pdf_url":null,"source":{"id":"https://openalex.org/S17147961","display_name":"International Journal of Cooperative Information Systems","issn_l":"0218-8430","issn":["0218-8430","1793-6365"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319815","host_organization_name":"World Scientific","host_organization_lineage":["https://openalex.org/P4310319815"],"host_organization_lineage_names":["World Scientific"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Cooperative 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/A5036856102","display_name":"Muthukumar Narayanan","orcid":null},"institutions":[{"id":"https://openalex.org/I20382870","display_name":"Missouri University of Science and Technology","ror":"https://ror.org/00scwqd12","country_code":"US","type":"education","lineage":["https://openalex.org/I20382870"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"MUTHUKUMAR NARAYANAN","raw_affiliation_strings":["Department of Computer Science, University of Missouri-Rolla, Rolla, MO 65401, USA","Department of Computer Science, University of Missouri-Rolla, Rolla MO 65401, USA#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, University of Missouri-Rolla, Rolla, MO 65401, USA","institution_ids":["https://openalex.org/I20382870"]},{"raw_affiliation_string":"Department of Computer Science, University of Missouri-Rolla, Rolla MO 65401, USA#TAB#","institution_ids":["https://openalex.org/I20382870"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012569039","display_name":"Sanjay Madria","orcid":"https://orcid.org/0000-0002-2768-3660"},"institutions":[{"id":"https://openalex.org/I20382870","display_name":"Missouri University of Science and Technology","ror":"https://ror.org/00scwqd12","country_code":"US","type":"education","lineage":["https://openalex.org/I20382870"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"SANJAY KUMAR MADRIA","raw_affiliation_strings":["Department of Computer Science, University of Missouri-Rolla, Rolla, MO 65401, USA","Department of Computer Science, University of Missouri-Rolla, Rolla MO 65401, USA#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, University of Missouri-Rolla, Rolla, MO 65401, USA","institution_ids":["https://openalex.org/I20382870"]},{"raw_affiliation_string":"Department of Computer Science, University of Missouri-Rolla, Rolla MO 65401, USA#TAB#","institution_ids":["https://openalex.org/I20382870"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5081168930","display_name":"D. St. Clair","orcid":null},"institutions":[{"id":"https://openalex.org/I20382870","display_name":"Missouri University of Science and Technology","ror":"https://ror.org/00scwqd12","country_code":"US","type":"education","lineage":["https://openalex.org/I20382870"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"DAN ST. CLAIR","raw_affiliation_strings":["Department of Computer Science, University of Missouri-Rolla, Rolla, MO 65401, USA","Department of Computer Science, University of Missouri-Rolla, Rolla MO 65401, USA#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, University of Missouri-Rolla, Rolla, MO 65401, USA","institution_ids":["https://openalex.org/I20382870"]},{"raw_affiliation_string":"Department of Computer Science, University of Missouri-Rolla, Rolla MO 65401, USA#TAB#","institution_ids":["https://openalex.org/I20382870"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I20382870"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.2492478,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"16","issue":"02","first_page":"177","last_page":"228"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10927","display_name":"Access Control and Trust","score":0.9991999864578247,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T10927","display_name":"Access Control and Trust","score":0.9991999864578247,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10317","display_name":"Advanced Database Systems and Queries","score":0.9991000294685364,"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":0.9991000294685364,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.889971911907196},{"id":"https://openalex.org/keywords/tuple","display_name":"Tuple","score":0.6354655027389526},{"id":"https://openalex.org/keywords/automatic-summarization","display_name":"Automatic summarization","score":0.6235582232475281},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.5141992568969727},{"id":"https://openalex.org/keywords/view","display_name":"View","score":0.480537474155426},{"id":"https://openalex.org/keywords/query-optimization","display_name":"Query optimization","score":0.4747363030910492},{"id":"https://openalex.org/keywords/inference","display_name":"Inference","score":0.4705762267112732},{"id":"https://openalex.org/keywords/relational-database","display_name":"Relational database","score":0.45417213439941406},{"id":"https://openalex.org/keywords/query-language","display_name":"Query language","score":0.43264082074165344},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.4232720136642456},{"id":"https://openalex.org/keywords/domain","display_name":"Domain (mathematical analysis)","score":0.42040789127349854},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3879550099372864},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.38215383887290955},{"id":"https://openalex.org/keywords/database-design","display_name":"Database design","score":0.18861818313598633},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.12278139591217041},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.10304173827171326}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.889971911907196},{"id":"https://openalex.org/C118930307","wikidata":"https://www.wikidata.org/wiki/Q600590","display_name":"Tuple","level":2,"score":0.6354655027389526},{"id":"https://openalex.org/C170858558","wikidata":"https://www.wikidata.org/wiki/Q1394144","display_name":"Automatic summarization","level":2,"score":0.6235582232475281},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.5141992568969727},{"id":"https://openalex.org/C54239708","wikidata":"https://www.wikidata.org/wiki/Q1329910","display_name":"View","level":3,"score":0.480537474155426},{"id":"https://openalex.org/C157692150","wikidata":"https://www.wikidata.org/wiki/Q2919848","display_name":"Query optimization","level":2,"score":0.4747363030910492},{"id":"https://openalex.org/C2776214188","wikidata":"https://www.wikidata.org/wiki/Q408386","display_name":"Inference","level":2,"score":0.4705762267112732},{"id":"https://openalex.org/C5655090","wikidata":"https://www.wikidata.org/wiki/Q192588","display_name":"Relational database","level":2,"score":0.45417213439941406},{"id":"https://openalex.org/C192028432","wikidata":"https://www.wikidata.org/wiki/Q845739","display_name":"Query language","level":2,"score":0.43264082074165344},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.4232720136642456},{"id":"https://openalex.org/C36503486","wikidata":"https://www.wikidata.org/wiki/Q11235244","display_name":"Domain (mathematical analysis)","level":2,"score":0.42040789127349854},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3879550099372864},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.38215383887290955},{"id":"https://openalex.org/C148840519","wikidata":"https://www.wikidata.org/wiki/Q1049878","display_name":"Database design","level":2,"score":0.18861818313598633},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.12278139591217041},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.10304173827171326},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1142/s0218843007001627","is_oa":false,"landing_page_url":"https://doi.org/10.1142/s0218843007001627","pdf_url":null,"source":{"id":"https://openalex.org/S17147961","display_name":"International Journal of Cooperative Information Systems","issn_l":"0218-8430","issn":["0218-8430","1793-6365"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319815","host_organization_name":"World Scientific","host_organization_lineage":["https://openalex.org/P4310319815"],"host_organization_lineage_names":["World Scientific"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Cooperative Information Systems","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/15","score":0.6100000143051147,"display_name":"Life in Land"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W1577672332","https://openalex.org/W1981591007","https://openalex.org/W2012419258","https://openalex.org/W2058970046","https://openalex.org/W2109941026","https://openalex.org/W2110557355","https://openalex.org/W2157637666","https://openalex.org/W2164799985","https://openalex.org/W6677648629"],"related_works":["https://openalex.org/W2554271401","https://openalex.org/W4244527061","https://openalex.org/W2556786504","https://openalex.org/W2406556739","https://openalex.org/W2152149667","https://openalex.org/W2186703450","https://openalex.org/W175663584","https://openalex.org/W2413368787","https://openalex.org/W3125756434","https://openalex.org/W4242370757"],"abstract_inverted_index":{"In":[0,124],"this":[1],"paper,":[2],"we":[3,53,126],"describe":[4],"a":[5,15,191],"query":[6,95,114,149,185,226],"approximation":[7],"system":[8,27,192],"which":[9],"uses":[10,152],"the":[11,43,77,80,83,87,91,100,105,122,130,153,184,202,206,222],"Multi-Layered":[12],"Database":[13],"(MLDB),":[14],"collection":[16],"of":[17,47,63,79,121,129],"summarized":[18,64],"relational":[19],"data":[20],"generated":[21],"using":[22,86,90],"domain-based":[23],"concept":[24,50],"hierarchies.":[25],"The":[26,71,94,156],"generates":[28],"approximate":[29,148,195],"answers":[30],"to":[31,33,56,60,67,104,142,173,183,189],"queries":[32,161],"handle":[34],"environmental":[35],"constraints":[36],"and":[37,45,118,139,167,175,200,225],"access":[38,68,107],"control":[39,69,108],"levels,":[40],"thus":[41,74],"preserving":[42,198],"privacy":[44,199],"security":[46],"data.":[48],"Using":[49],"hierarchy":[51],"(CH),":[52],"generalize":[54],"attributes":[55],"transform":[57],"base":[58],"relations":[59,65],"different":[61],"layers":[62,102],"corresponding":[66],"levels.":[70],"summary":[72],"databases":[73,138],"formed":[75],"are":[76,162,168,181],"compression":[78],"tuples":[81],"in":[82,133,170,187,221],"main":[84],"database":[85],"CH":[88],"constructed":[89],"domain":[92],"set.":[93],"is":[96],"rewritten":[97],"by":[98,164,197],"traversing":[99],"MLDB":[101,154,188,223],"according":[103],"user's":[106],"level.":[109],"We":[110,209],"present":[111],"summarization":[112],"methods,":[113],"rewriting":[115],"algorithms,":[116],"implementation":[117],"experimental":[119],"results":[120,196],"system.":[123],"addition,":[125],"analyze":[127],"some":[128],"known":[131],"inferences":[132],"Multi":[134],"Level":[135],"Secure":[136],"(MLS)":[137],"then":[140],"proceed":[141],"explore":[143],"their":[144],"effects":[145],"on":[146],"an":[147],"processor":[150,186],"that":[151,193,212],"model.":[155],"common":[157],"relationships":[158],"among":[159],"inferential":[160],"found":[163],"analyzing":[165],"them,":[166],"used":[169],"possible":[171,207],"solutions":[172],"detect":[174],"prevent":[176],"inference":[177],"problems.":[178],"These":[179],"patches":[180,215],"added":[182],"form":[190],"provides":[194],"at":[201],"same":[203],"time":[204],"block":[205],"inferences.":[208],"have":[210],"observed":[211],"these":[213],"extra":[214],"introduce":[216],"only":[217],"very":[218],"small":[219],"overheads":[220],"generation":[224],"processing.":[227]},"counts_by_year":[{"year":2012,"cited_by_count":1}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}