{"id":"https://openalex.org/W2008360707","doi":"https://doi.org/10.1108/10662240310469060","title":"eCX: a secure infrastructure for e\u2010course delivery","display_name":"eCX: a secure infrastructure for e\u2010course delivery","publication_year":2003,"publication_date":"2003-04-18","ids":{"openalex":"https://openalex.org/W2008360707","doi":"https://doi.org/10.1108/10662240310469060","mag":"2008360707"},"language":"en","primary_location":{"id":"doi:10.1108/10662240310469060","is_oa":false,"landing_page_url":"https://doi.org/10.1108/10662240310469060","pdf_url":null,"source":{"id":"https://openalex.org/S63576417","display_name":"Internet Research","issn_l":"1066-2243","issn":["1066-2243","2054-5657"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319811","host_organization_name":"Emerald Publishing Limited","host_organization_lineage":["https://openalex.org/P4310319811"],"host_organization_lineage_names":["Emerald Publishing Limited"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Internet Research","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/A5078374938","display_name":"Joe Cho-Ki Yau","orcid":null},"institutions":[{"id":"https://openalex.org/I64427410","display_name":"Hong Kong Shue Yan University","ror":"https://ror.org/023t8mt09","country_code":"CN","type":"education","lineage":["https://openalex.org/I64427410"]},{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["CN","HK"],"is_corresponding":false,"raw_author_name":"Joe C.K. Yau","raw_affiliation_strings":["Joe C.K. Yau is a Software Engineer, at the Department of Computer Science and Information Systems, The University of Hong Kong, Hong Kong"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Joe C.K. Yau is a Software Engineer, at the Department of Computer Science and Information Systems, The University of Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I64427410","https://openalex.org/I889458895"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109853326","display_name":"Lucas C. K. Hui","orcid":null},"institutions":[{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Lucas C.K. Hui","raw_affiliation_strings":["Lucas C.K. Hui is Associate Professor at the Department of Computer Science and Information Systems, The University of Hong Kong, Hong Kong"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Lucas C.K. Hui is Associate Professor at the Department of Computer Science and Information Systems, The University of Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I889458895"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111456787","display_name":"Bruce Cheung","orcid":null},"institutions":[{"id":"https://openalex.org/I4210086892","display_name":"Education University of Hong Kong","ror":"https://ror.org/000t0f062","country_code":"HK","type":"education","lineage":["https://openalex.org/I4210086892"]},{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Bruce Cheung","raw_affiliation_strings":["Bruce Cheung is a Lecturer at the School of Professional and Continuing Education, The University of Hong Kong, Hong Kong"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Bruce Cheung is a Lecturer at the School of Professional and Continuing Education, The University of Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I4210086892","https://openalex.org/I889458895"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5110500992","display_name":"Siu\u2010Ming Yiu","orcid":null},"institutions":[{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"S.M. Yiu","raw_affiliation_strings":["S.M. Yiu is a Teaching Consultant, at the Department of Computer Science and Information Systems, The University of Hong Kong, Hong Kong"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"S.M. Yiu is a Teaching Consultant, at the Department of Computer Science and Information Systems, The University of Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I889458895"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.2941,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.56054836,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"13","issue":"2","first_page":"116","last_page":"125"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11241","display_name":"Advanced Malware Detection Techniques","score":0.9984999895095825,"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"}},"topics":[{"id":"https://openalex.org/T11241","display_name":"Advanced Malware Detection Techniques","score":0.9984999895095825,"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/T11424","display_name":"Security and Verification in Computing","score":0.9961000084877014,"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"}},{"id":"https://openalex.org/T11614","display_name":"Cloud Data Security Solutions","score":0.9933000206947327,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/distance-education","display_name":"Distance education","score":0.6676017642021179},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.567898690700531},{"id":"https://openalex.org/keywords/mechanism","display_name":"Mechanism (biology)","score":0.5585010051727295},{"id":"https://openalex.org/keywords/online-course","display_name":"Online course","score":0.5557945370674133},{"id":"https://openalex.org/keywords/course","display_name":"Course (navigation)","score":0.552994966506958},{"id":"https://openalex.org/keywords/online-learning","display_name":"Online learning","score":0.4516741633415222},{"id":"https://openalex.org/keywords/content-delivery","display_name":"Content delivery","score":0.43865838646888733},{"id":"https://openalex.org/keywords/business","display_name":"Business","score":0.39981964230537415},{"id":"https://openalex.org/keywords/knowledge-management","display_name":"Knowledge management","score":0.37864241003990173},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.3470528721809387},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.26585274934768677},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.15495365858078003},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1132952868938446},{"id":"https://openalex.org/keywords/mathematics-education","display_name":"Mathematics education","score":0.11009359359741211}],"concepts":[{"id":"https://openalex.org/C503872463","wikidata":"https://www.wikidata.org/wiki/Q159595","display_name":"Distance education","level":2,"score":0.6676017642021179},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.567898690700531},{"id":"https://openalex.org/C89611455","wikidata":"https://www.wikidata.org/wiki/Q6804646","display_name":"Mechanism (biology)","level":2,"score":0.5585010051727295},{"id":"https://openalex.org/C2986081426","wikidata":"https://www.wikidata.org/wiki/Q1068473","display_name":"Online course","level":2,"score":0.5557945370674133},{"id":"https://openalex.org/C2777552389","wikidata":"https://www.wikidata.org/wiki/Q1962728","display_name":"Course (navigation)","level":2,"score":0.552994966506958},{"id":"https://openalex.org/C2986087404","wikidata":"https://www.wikidata.org/wiki/Q15946010","display_name":"Online learning","level":2,"score":0.4516741633415222},{"id":"https://openalex.org/C2986847828","wikidata":"https://www.wikidata.org/wiki/Q269415","display_name":"Content delivery","level":2,"score":0.43865838646888733},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.39981964230537415},{"id":"https://openalex.org/C56739046","wikidata":"https://www.wikidata.org/wiki/Q192060","display_name":"Knowledge management","level":1,"score":0.37864241003990173},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.3470528721809387},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.26585274934768677},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.15495365858078003},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1132952868938446},{"id":"https://openalex.org/C145420912","wikidata":"https://www.wikidata.org/wiki/Q853077","display_name":"Mathematics education","level":1,"score":0.11009359359741211},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1108/10662240310469060","is_oa":false,"landing_page_url":"https://doi.org/10.1108/10662240310469060","pdf_url":null,"source":{"id":"https://openalex.org/S63576417","display_name":"Internet Research","issn_l":"1066-2243","issn":["1066-2243","2054-5657"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319811","host_organization_name":"Emerald Publishing Limited","host_organization_lineage":["https://openalex.org/P4310319811"],"host_organization_lineage_names":["Emerald Publishing Limited"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Internet Research","raw_type":"journal-article"},{"id":"pmh:oai:hub.hku.hk:10722/89068","is_oa":false,"landing_page_url":"http://hdl.handle.net/10722/89068","pdf_url":null,"source":{"id":"https://openalex.org/S4377196271","display_name":"The HKU Scholars Hub (University of Hong Kong)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I889458895","host_organization_name":"University of Hong Kong","host_organization_lineage":["https://openalex.org/I889458895"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9","score":0.6100000143051147}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W481140","https://openalex.org/W116847005","https://openalex.org/W329998640","https://openalex.org/W1982962917","https://openalex.org/W2007842132","https://openalex.org/W2012707937","https://openalex.org/W2059705668","https://openalex.org/W2063689876","https://openalex.org/W2083122891","https://openalex.org/W2096367848","https://openalex.org/W2144184258","https://openalex.org/W2150010995","https://openalex.org/W2993146932","https://openalex.org/W3008251515","https://openalex.org/W4230803074","https://openalex.org/W4251044741","https://openalex.org/W4254812591"],"related_works":["https://openalex.org/W2588045479","https://openalex.org/W1997403471","https://openalex.org/W2365849016","https://openalex.org/W2562948430","https://openalex.org/W2367197844","https://openalex.org/W2908495522","https://openalex.org/W2756743694","https://openalex.org/W4365396362","https://openalex.org/W4235124007","https://openalex.org/W2972109788"],"abstract_inverted_index":{"Online":[0],"education":[1,31],"has":[2],"emerged":[3],"as":[4],"one":[5],"of":[6,12,28,47,54,85,92],"the":[7,25,40,44,51,55,60,67,82,103,108],"major":[8],"channels":[9],"for":[10],"dissemination":[11],"learning":[13,23,68,87],"materials.":[14],"As":[15],"more":[16,18,34,36],"and":[17,35,73,107],"organizations":[19,41],"offer":[20],"online":[21,30,86],"distance":[22],"courses,":[24],"security":[26],"concerns":[27],"these":[29],"systems":[32],"become":[33],"critical,":[37],"especially":[38],"when":[39],"rely":[42],"on":[43],"registration":[45],"fees":[46],"students":[48],"to":[49,65,97],"maintain":[50],"smooth":[52],"running":[53],"courses.":[56],"Provides":[57],"a":[58],"mechanism,":[59],"Secure":[61],"e\u2010Course":[62],"eXchange":[63],"(eCX),":[64],"protect":[66],"material":[69],"from":[70],"unauthorized":[71],"dissemination,":[72],"shows":[74],"how":[75],"this":[76],"mechanism":[77],"can":[78],"be":[79],"integrated":[80],"in":[81],"operation":[83],"model":[84],"course":[88],"providers.":[89],"The":[90],"design":[91],"eCX":[93],"is":[94],"general":[95],"enough":[96],"fit":[98],"two":[99],"operating":[100],"models,":[101],"namely":[102],"Institutional":[104],"Server":[105,110],"Model":[106],"Corporate":[109],"Model.":[111]},"counts_by_year":[{"year":2014,"cited_by_count":1}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}