{"id":"https://openalex.org/W2063516644","doi":"https://doi.org/10.1145/1050330.1050434","title":"Some approaches to implementation of virtual learning environments","display_name":"Some approaches to implementation of virtual learning environments","publication_year":2004,"publication_date":"2004-01-01","ids":{"openalex":"https://openalex.org/W2063516644","doi":"https://doi.org/10.1145/1050330.1050434","mag":"2063516644"},"language":"en","primary_location":{"id":"doi:10.1145/1050330.1050434","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1050330.1050434","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 5th international conference on Computer systems and technologies - CompSysTech '04","raw_type":"proceedings-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/A5054301321","display_name":"Galina Ivanova","orcid":"https://orcid.org/0000-0001-7799-1162"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Galina Ivanova","raw_affiliation_strings":["University of Rousse, Bulgaria"],"affiliations":[{"raw_affiliation_string":"University of Rousse, Bulgaria","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5077880560","display_name":"Angel Smrikarov","orcid":"https://orcid.org/0000-0002-5609-6297"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Angel Smrikarov","raw_affiliation_strings":["University of Rousse, Bulgaria"],"affiliations":[{"raw_affiliation_string":"University of Rousse, Bulgaria","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5054301321"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.13270132,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"1"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13016","display_name":"Innovative Educational Technologies","score":0.9477999806404114,"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"}},"topics":[{"id":"https://openalex.org/T13016","display_name":"Innovative Educational Technologies","score":0.9477999806404114,"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"}},{"id":"https://openalex.org/T14470","display_name":"Advanced Data Processing Techniques","score":0.9437999725341797,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12408","display_name":"Educational Innovations and Challenges","score":0.9160000085830688,"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/computer-science","display_name":"Computer science","score":0.7664119601249695},{"id":"https://openalex.org/keywords/bulgarian","display_name":"Bulgarian","score":0.7494919300079346},{"id":"https://openalex.org/keywords/instructional-simulation","display_name":"Instructional simulation","score":0.6798596978187561},{"id":"https://openalex.org/keywords/virtual-learning-environment","display_name":"Virtual learning environment","score":0.623252809047699},{"id":"https://openalex.org/keywords/virtual-machine","display_name":"Virtual machine","score":0.5927623510360718},{"id":"https://openalex.org/keywords/virtual-reality","display_name":"Virtual reality","score":0.4579632878303528},{"id":"https://openalex.org/keywords/human\u2013computer-interaction","display_name":"Human\u2013computer interaction","score":0.4546918272972107},{"id":"https://openalex.org/keywords/virtual-world","display_name":"Virtual world","score":0.44240641593933105},{"id":"https://openalex.org/keywords/multimedia","display_name":"Multimedia","score":0.39886459708213806},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.09106907248497009}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7664119601249695},{"id":"https://openalex.org/C2780343019","wikidata":"https://www.wikidata.org/wiki/Q7918","display_name":"Bulgarian","level":2,"score":0.7494919300079346},{"id":"https://openalex.org/C178624890","wikidata":"https://www.wikidata.org/wiki/Q17056636","display_name":"Instructional simulation","level":3,"score":0.6798596978187561},{"id":"https://openalex.org/C66699896","wikidata":"https://www.wikidata.org/wiki/Q2349394","display_name":"Virtual learning environment","level":2,"score":0.623252809047699},{"id":"https://openalex.org/C25344961","wikidata":"https://www.wikidata.org/wiki/Q192726","display_name":"Virtual machine","level":2,"score":0.5927623510360718},{"id":"https://openalex.org/C194969405","wikidata":"https://www.wikidata.org/wiki/Q170519","display_name":"Virtual reality","level":2,"score":0.4579632878303528},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.4546918272972107},{"id":"https://openalex.org/C3019565508","wikidata":"https://www.wikidata.org/wiki/Q444835","display_name":"Virtual world","level":2,"score":0.44240641593933105},{"id":"https://openalex.org/C49774154","wikidata":"https://www.wikidata.org/wiki/Q131765","display_name":"Multimedia","level":1,"score":0.39886459708213806},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.09106907248497009},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","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}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/1050330.1050434","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1050330.1050434","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 5th international conference on Computer systems and technologies - CompSysTech '04","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.579.4331","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.579.4331","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://ecet.ecs.ru.acad.bg/cst04/Docs/sIV/425.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":3,"referenced_works":["https://openalex.org/W1551233583","https://openalex.org/W2075126383","https://openalex.org/W2116641827"],"related_works":["https://openalex.org/W2188158833","https://openalex.org/W2013328081","https://openalex.org/W2480611640","https://openalex.org/W2363791248","https://openalex.org/W2899933089","https://openalex.org/W4320479404","https://openalex.org/W4235245189","https://openalex.org/W2152170799","https://openalex.org/W2092537182","https://openalex.org/W2488230542"],"abstract_inverted_index":{"A":[0,33],"short":[1],"analysis":[2],"of":[3,6,18,28,37,49,56,65],"well-known":[4],"types":[5],"virtual":[7,39,66],"learning":[8,40,67],"environments":[9,30,68],"today":[10],"is":[11,42,69],"presented":[12],"in":[13,60],"the":[14,47,57],"paper.":[15],"Some":[16],"examples":[17],"world":[19],"practice":[20],"are":[21,31],"adduced.":[22],"Four":[23],"main":[24],"approaches":[25],"to":[26],"implementation":[27,36,64],"such":[29],"given.":[32],"conception":[34],"for":[35,63],"uniform":[38],"environment":[41],"proposed.":[43],"As":[44],"a":[45,54],"conclusion":[46],"creation":[48],"Bulgarian":[50],"Virtual":[51],"University":[52],"as":[53],"part":[55],"third":[58],"stage":[59],"national":[61],"project":[62],"announced.":[70]},"counts_by_year":[{"year":2020,"cited_by_count":1}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}