{"id":"https://openalex.org/W2955579096","doi":"https://doi.org/10.1145/3315507.3330196","title":"On the semantics of Cypher's implicit group-by","display_name":"On the semantics of Cypher's implicit group-by","publication_year":2019,"publication_date":"2019-06-07","ids":{"openalex":"https://openalex.org/W2955579096","doi":"https://doi.org/10.1145/3315507.3330196","mag":"2955579096"},"language":"en","primary_location":{"id":"doi:10.1145/3315507.3330196","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3315507.3330196","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 17th ACM SIGPLAN International Symposium on Database Programming Languages","raw_type":"proceedings-article"},"type":"conference-paper","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/A5037986297","display_name":"Filip Murlak","orcid":"https://orcid.org/0000-0003-0989-3717"},"institutions":[{"id":"https://openalex.org/I4654613","display_name":"University of Warsaw","ror":"https://ror.org/039bjqg32","country_code":"PL","type":"education","lineage":["https://openalex.org/I4654613"]}],"countries":["PL"],"is_corresponding":false,"raw_author_name":"Filip Murlak","raw_affiliation_strings":["University of Warsaw, Poland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Warsaw, Poland","institution_ids":["https://openalex.org/I4654613"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054500601","display_name":"Jan Posiada\u0142a","orcid":"https://orcid.org/0000-0001-6742-5394"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Jan Posiada\u0142a","raw_affiliation_strings":["Nodes and Edges, Poland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nodes and Edges, Poland","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5074521183","display_name":"Pawe\u0142 Susicki","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Pawe\u0142 Susicki","raw_affiliation_strings":["Nodes and Edges, Poland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nodes and Edges, Poland","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.05300841,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"33","issue":null,"first_page":"59","last_page":"69"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12292","display_name":"Graph Theory and Algorithms","score":0.9998000264167786,"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"}},"topics":[{"id":"https://openalex.org/T12292","display_name":"Graph Theory and Algorithms","score":0.9998000264167786,"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":0.9988999962806702,"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/T10215","display_name":"Semantic Web and Ontologies","score":0.9939000010490417,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7023698091506958},{"id":"https://openalex.org/keywords/semantics","display_name":"Semantics (computer science)","score":0.6416441202163696},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.5525708198547363},{"id":"https://openalex.org/keywords/executable","display_name":"Executable","score":0.5453698635101318},{"id":"https://openalex.org/keywords/construct","display_name":"Construct (python library)","score":0.5055456161499023},{"id":"https://openalex.org/keywords/operational-semantics","display_name":"Operational semantics","score":0.48298966884613037},{"id":"https://openalex.org/keywords/property","display_name":"Property (philosophy)","score":0.4495096802711487},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.44709697365760803},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.4467311203479767}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7023698091506958},{"id":"https://openalex.org/C184337299","wikidata":"https://www.wikidata.org/wiki/Q1437428","display_name":"Semantics (computer science)","level":2,"score":0.6416441202163696},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.5525708198547363},{"id":"https://openalex.org/C160145156","wikidata":"https://www.wikidata.org/wiki/Q778586","display_name":"Executable","level":2,"score":0.5453698635101318},{"id":"https://openalex.org/C2780801425","wikidata":"https://www.wikidata.org/wiki/Q5164392","display_name":"Construct (python library)","level":2,"score":0.5055456161499023},{"id":"https://openalex.org/C156325763","wikidata":"https://www.wikidata.org/wiki/Q1930895","display_name":"Operational semantics","level":3,"score":0.48298966884613037},{"id":"https://openalex.org/C189950617","wikidata":"https://www.wikidata.org/wiki/Q937228","display_name":"Property (philosophy)","level":2,"score":0.4495096802711487},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.44709697365760803},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.4467311203479767},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3315507.3330196","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3315507.3330196","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 17th ACM SIGPLAN International Symposium on Database Programming Languages","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions","score":0.47999998927116394}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W1511221827","https://openalex.org/W2015376829","https://openalex.org/W2063402394","https://openalex.org/W2067754486","https://openalex.org/W2121112004","https://openalex.org/W2157577995","https://openalex.org/W2771362234","https://openalex.org/W2799059383"],"related_works":["https://openalex.org/W2245685274","https://openalex.org/W2002931343","https://openalex.org/W3042312155","https://openalex.org/W2809406131","https://openalex.org/W3021003119","https://openalex.org/W3007870257","https://openalex.org/W2610513781","https://openalex.org/W2112801462","https://openalex.org/W2910115471","https://openalex.org/W2503735611"],"abstract_inverted_index":{"Cypher":[0,45,64],"is":[1,68],"a":[2,21,34,81,99],"popular":[3],"declarative":[4],"query":[5],"language":[6],"for":[7],"property":[8,87],"graphs.":[9],"Despite":[10],"having":[11],"been":[12],"adopted":[13],"by":[14],"several":[15],"graph":[16],"database":[17],"vendors,":[18],"it":[19],"lacks":[20],"comprehensive":[22],"semantics":[23,43,101],"other":[24],"than":[25,56],"the":[26,61,65,71],"reference":[27],"implementation.":[28],"This":[29],"paper":[30],"stems":[31],"from":[32,70],"Cypher.PL,":[33],"project":[35],"aimed":[36],"at":[37],"creating":[38],"an":[39],"executable":[40],"(and":[41],"readable)":[42],"of":[44,95],"in":[46,60,63],"Prolog,":[47],"and":[48,89,92],"focuses":[49],"on":[50],"Cypher's":[51],"implicit":[52],"group-by":[53],"feature.":[54],"Rather":[55],"being":[57],"explicitly":[58],"specified":[59],"query,":[62],"grouping":[66],"key":[67],"derived":[69],"return":[72,83],"expressions.":[73],"We":[74],"show":[75],"how":[76],"this":[77,97],"becomes":[78],"problematic":[79],"when":[80],"single":[82],"expression":[84],"mixes":[85],"unaggregated":[86],"references":[88],"aggregating":[90],"functions,":[91],"discuss":[93],"ways":[94],"giving":[96],"construct":[98],"proper":[100],"without":[102],"defying":[103],"common":[104],"sense.":[105]},"counts_by_year":[{"year":2023,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}