{"id":"https://openalex.org/W3120463028","doi":"https://doi.org/10.1145/3436829.3436855","title":"Querying Heterogeneous Property Graph Data Sources based on a Unified Conceptual View","display_name":"Querying Heterogeneous Property Graph Data Sources based on a Unified Conceptual View","publication_year":2020,"publication_date":"2020-11-11","ids":{"openalex":"https://openalex.org/W3120463028","doi":"https://doi.org/10.1145/3436829.3436855","mag":"3120463028"},"language":"en","primary_location":{"id":"doi:10.1145/3436829.3436855","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3436829.3436855","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2020 9th International Conference on Software and Information Engineering (ICSIE)","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/A5085680219","display_name":"Naglaa Fathy","orcid":null},"institutions":[{"id":"https://openalex.org/I107720978","display_name":"Ain Shams University","ror":"https://ror.org/00cb9w016","country_code":"EG","type":"education","lineage":["https://openalex.org/I107720978"]}],"countries":["EG"],"is_corresponding":true,"raw_author_name":"Naglaa Fathy","raw_affiliation_strings":["Ain Shams University, Cairo, Egypt"],"affiliations":[{"raw_affiliation_string":"Ain Shams University, Cairo, Egypt","institution_ids":["https://openalex.org/I107720978"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033458445","display_name":"Walaa Gad","orcid":"https://orcid.org/0000-0002-7816-3518"},"institutions":[{"id":"https://openalex.org/I107720978","display_name":"Ain Shams University","ror":"https://ror.org/00cb9w016","country_code":"EG","type":"education","lineage":["https://openalex.org/I107720978"]}],"countries":["EG"],"is_corresponding":false,"raw_author_name":"Walaa Gad","raw_affiliation_strings":["Ain Shams University, Cairo, Egypt"],"affiliations":[{"raw_affiliation_string":"Ain Shams University, Cairo, Egypt","institution_ids":["https://openalex.org/I107720978"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113665936","display_name":"Nagwa L. Badr","orcid":null},"institutions":[{"id":"https://openalex.org/I107720978","display_name":"Ain Shams University","ror":"https://ror.org/00cb9w016","country_code":"EG","type":"education","lineage":["https://openalex.org/I107720978"]}],"countries":["EG"],"is_corresponding":false,"raw_author_name":"Nagwa Badr","raw_affiliation_strings":["Ain Shams University, Cairo, Egypt"],"affiliations":[{"raw_affiliation_string":"Ain Shams University, Cairo, Egypt","institution_ids":["https://openalex.org/I107720978"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101915562","display_name":"Mohamed Hashem","orcid":"https://orcid.org/0000-0001-8824-8817"},"institutions":[{"id":"https://openalex.org/I107720978","display_name":"Ain Shams University","ror":"https://ror.org/00cb9w016","country_code":"EG","type":"education","lineage":["https://openalex.org/I107720978"]}],"countries":["EG"],"is_corresponding":false,"raw_author_name":"Mohammed Hashem","raw_affiliation_strings":["Ain Shams University Faculty of Computers and Information Sciences Cairo, Egypt"],"affiliations":[{"raw_affiliation_string":"Ain Shams University Faculty of Computers and Information Sciences Cairo, Egypt","institution_ids":["https://openalex.org/I107720978"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5085680219"],"corresponding_institution_ids":["https://openalex.org/I107720978"],"apc_list":null,"apc_paid":null,"fwci":0.2651,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.6527966,"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":"113","last_page":"118"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10215","display_name":"Semantic Web and Ontologies","score":0.9998000264167786,"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"}},"topics":[{"id":"https://openalex.org/T10215","display_name":"Semantic Web and Ontologies","score":0.9998000264167786,"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/T12292","display_name":"Graph Theory and Algorithms","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/T10317","display_name":"Advanced Database Systems and Queries","score":0.9944000244140625,"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/sparql","display_name":"SPARQL","score":0.8735994100570679},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.869896650314331},{"id":"https://openalex.org/keywords/graph-database","display_name":"Graph database","score":0.7109329700469971},{"id":"https://openalex.org/keywords/query-language","display_name":"Query language","score":0.6930945515632629},{"id":"https://openalex.org/keywords/nosql","display_name":"NoSQL","score":0.610806941986084},{"id":"https://openalex.org/keywords/rdf-query-language","display_name":"RDF query language","score":0.5817707180976868},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.5414355993270874},{"id":"https://openalex.org/keywords/sql","display_name":"SQL","score":0.5232162475585938},{"id":"https://openalex.org/keywords/ontology","display_name":"Ontology","score":0.5027961730957031},{"id":"https://openalex.org/keywords/view","display_name":"View","score":0.4586096405982971},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.4570607542991638},{"id":"https://openalex.org/keywords/query-optimization","display_name":"Query optimization","score":0.43705254793167114},{"id":"https://openalex.org/keywords/query-by-example","display_name":"Query by Example","score":0.4127257168292999},{"id":"https://openalex.org/keywords/sargable","display_name":"Sargable","score":0.4111960828304291},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.38544562458992004},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.32277047634124756},{"id":"https://openalex.org/keywords/web-search-query","display_name":"Web search query","score":0.29670917987823486},{"id":"https://openalex.org/keywords/rdf","display_name":"RDF","score":0.29645612835884094},{"id":"https://openalex.org/keywords/web-query-classification","display_name":"Web query classification","score":0.27383434772491455},{"id":"https://openalex.org/keywords/semantic-web","display_name":"Semantic Web","score":0.24578425288200378},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.22101998329162598},{"id":"https://openalex.org/keywords/database-design","display_name":"Database design","score":0.1808462142944336},{"id":"https://openalex.org/keywords/big-data","display_name":"Big data","score":0.17023974657058716},{"id":"https://openalex.org/keywords/search-engine","display_name":"Search engine","score":0.14685013890266418}],"concepts":[{"id":"https://openalex.org/C41009113","wikidata":"https://www.wikidata.org/wiki/Q54871","display_name":"SPARQL","level":4,"score":0.8735994100570679},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.869896650314331},{"id":"https://openalex.org/C176225458","wikidata":"https://www.wikidata.org/wiki/Q595971","display_name":"Graph database","level":3,"score":0.7109329700469971},{"id":"https://openalex.org/C192028432","wikidata":"https://www.wikidata.org/wiki/Q845739","display_name":"Query language","level":2,"score":0.6930945515632629},{"id":"https://openalex.org/C2779599972","wikidata":"https://www.wikidata.org/wiki/Q82231","display_name":"NoSQL","level":3,"score":0.610806941986084},{"id":"https://openalex.org/C96956885","wikidata":"https://www.wikidata.org/wiki/Q6138701","display_name":"RDF query language","level":5,"score":0.5817707180976868},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.5414355993270874},{"id":"https://openalex.org/C510870499","wikidata":"https://www.wikidata.org/wiki/Q47607","display_name":"SQL","level":2,"score":0.5232162475585938},{"id":"https://openalex.org/C25810664","wikidata":"https://www.wikidata.org/wiki/Q44325","display_name":"Ontology","level":2,"score":0.5027961730957031},{"id":"https://openalex.org/C54239708","wikidata":"https://www.wikidata.org/wiki/Q1329910","display_name":"View","level":3,"score":0.4586096405982971},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.4570607542991638},{"id":"https://openalex.org/C157692150","wikidata":"https://www.wikidata.org/wiki/Q2919848","display_name":"Query optimization","level":2,"score":0.43705254793167114},{"id":"https://openalex.org/C194222762","wikidata":"https://www.wikidata.org/wiki/Q114486","display_name":"Query by Example","level":4,"score":0.4127257168292999},{"id":"https://openalex.org/C192939062","wikidata":"https://www.wikidata.org/wiki/Q104840822","display_name":"Sargable","level":4,"score":0.4111960828304291},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.38544562458992004},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.32277047634124756},{"id":"https://openalex.org/C164120249","wikidata":"https://www.wikidata.org/wiki/Q995982","display_name":"Web search query","level":3,"score":0.29670917987823486},{"id":"https://openalex.org/C147497476","wikidata":"https://www.wikidata.org/wiki/Q54872","display_name":"RDF","level":3,"score":0.29645612835884094},{"id":"https://openalex.org/C118689300","wikidata":"https://www.wikidata.org/wiki/Q7978614","display_name":"Web query classification","level":4,"score":0.27383434772491455},{"id":"https://openalex.org/C2129575","wikidata":"https://www.wikidata.org/wiki/Q54837","display_name":"Semantic Web","level":2,"score":0.24578425288200378},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.22101998329162598},{"id":"https://openalex.org/C148840519","wikidata":"https://www.wikidata.org/wiki/Q1049878","display_name":"Database design","level":2,"score":0.1808462142944336},{"id":"https://openalex.org/C75684735","wikidata":"https://www.wikidata.org/wiki/Q858810","display_name":"Big data","level":2,"score":0.17023974657058716},{"id":"https://openalex.org/C97854310","wikidata":"https://www.wikidata.org/wiki/Q19541","display_name":"Search engine","level":2,"score":0.14685013890266418},{"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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3436829.3436855","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3436829.3436855","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2020 9th International Conference on Software and Information Engineering (ICSIE)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W203750683","https://openalex.org/W1974068078","https://openalex.org/W1978646358","https://openalex.org/W2004613914","https://openalex.org/W2014575573","https://openalex.org/W2299775049","https://openalex.org/W2443025563","https://openalex.org/W2470692145","https://openalex.org/W2577011701","https://openalex.org/W2611978019","https://openalex.org/W2613386233","https://openalex.org/W2807077404","https://openalex.org/W2906615586","https://openalex.org/W2954862069","https://openalex.org/W3105134183","https://openalex.org/W6732816589"],"related_works":["https://openalex.org/W644450836","https://openalex.org/W1548279772","https://openalex.org/W2406556739","https://openalex.org/W2991108389","https://openalex.org/W1504178769","https://openalex.org/W2970853428","https://openalex.org/W2462908208","https://openalex.org/W2036832324","https://openalex.org/W4287661590","https://openalex.org/W3095095169"],"abstract_inverted_index":{"With":[0],"the":[1,60,79,105,117,131],"great":[2],"success":[3],"of":[4],"NoSQL":[5,44],"(Not":[6],"only":[7],"SQL)":[8],"databases,":[9],"data":[10,57,82],"becomes":[11],"more":[12],"heterogeneous":[13,26],"than":[14],"ever.":[15],"Hence,":[16],"it":[17],"is":[18,90,114,127],"essential":[19],"to":[20,23,42,54,77,84,141],"provide":[21],"solutions":[22],"integrate":[24],"such":[25],"databases":[27,47],"and":[28,136],"facilitate":[29],"accessing":[30],"them.":[31],"This":[32,51,89],"paper":[33],"proposes":[34],"an":[35,74,100],"Ontology":[36],"Based":[37],"Data":[38],"Access":[39],"(OBDA)":[40],"approach":[41],"query":[43,62,113,121,126,137],"property":[45,80,118,133],"graph":[46,81,96,119,134],"using":[48],"SPARQL":[49,109],"language.":[50],"allows":[52],"users":[53,142],"access":[55],"diverse":[56],"sources":[58],"with":[59],"same":[61],"through":[63,73],"a":[64,85,108,144],"unified":[65,86,145],"conceptual":[66],"view":[67],"(ontology).":[68],"The":[69,111,124],"proposed":[70],"work":[71],"goes":[72],"offline":[75],"phase":[76,102],"map":[78],"model":[83],"ontology":[87],"model.":[88],"done":[91],"by":[92],"proposing":[93],"hybrid":[94],"relational":[95],"algebra":[97],"expressions.":[98],"Then,":[99],"online":[101],"starts":[103],"when":[104],"user":[106],"submits":[107],"query.":[110],"submitted":[112],"translated":[115,125],"into":[116],"declarative":[120],"language,":[122],"Cypher.":[123],"then":[128],"executed":[129],"on":[130],"target":[132],"database":[135],"results":[138],"are":[139],"presented":[140],"in":[143],"format.":[146]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
