{"id":"https://openalex.org/W4385417895","doi":"https://doi.org/10.1145/3611664","title":"Snippet Comment Generation Based on Code Context Expansion","display_name":"Snippet Comment Generation Based on Code Context Expansion","publication_year":2023,"publication_date":"2023-07-31","ids":{"openalex":"https://openalex.org/W4385417895","doi":"https://doi.org/10.1145/3611664"},"language":"en","primary_location":{"id":"doi:10.1145/3611664","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3611664","pdf_url":null,"source":{"id":"https://openalex.org/S142627899","display_name":"ACM Transactions on Software Engineering and Methodology","issn_l":"1049-331X","issn":["1049-331X","1557-7392"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Software Engineering and Methodology","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/A5050963307","display_name":"Hanyang Guo","orcid":"https://orcid.org/0000-0002-5687-2655"},"institutions":[{"id":"https://openalex.org/I141568987","display_name":"Hong Kong Baptist University","ror":"https://ror.org/0145fw131","country_code":"HK","type":"education","lineage":["https://openalex.org/I141568987"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Hanyang Guo","raw_affiliation_strings":["School of Software Engineering, Sun Yat-Sen University and Department of Computer Science, Hong Kong Baptist University, China"],"raw_orcid":"https://orcid.org/0000-0002-5687-2655","affiliations":[{"raw_affiliation_string":"School of Software Engineering, Sun Yat-Sen University and Department of Computer Science, Hong Kong Baptist University, China","institution_ids":["https://openalex.org/I141568987"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101601497","display_name":"Xiangping Chen","orcid":"https://orcid.org/0000-0001-8234-3186"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiangping Chen","raw_affiliation_strings":["Guangdong Key Laboratory for Big Data Analysis and Simulation of Public Opinion, School of Communication and Design, Sun Yat-Sen University, China"],"raw_orcid":"https://orcid.org/0000-0001-8234-3186","affiliations":[{"raw_affiliation_string":"Guangdong Key Laboratory for Big Data Analysis and Simulation of Public Opinion, School of Communication and Design, Sun Yat-Sen University, China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101812436","display_name":"Yuan Huang","orcid":"https://orcid.org/0000-0002-9548-0208"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuan Huang","raw_affiliation_strings":["School of Software Engineering, Sun Yat-Sen University, China"],"raw_orcid":"https://orcid.org/0000-0002-9548-0208","affiliations":[{"raw_affiliation_string":"School of Software Engineering, Sun Yat-Sen University, China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100350708","display_name":"Yanlin Wang","orcid":"https://orcid.org/0000-0001-7761-7269"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yanlin Wang","raw_affiliation_strings":["School of Software Engineering, Sun Yat-Sen University, China"],"raw_orcid":"https://orcid.org/0000-0001-7761-7269","affiliations":[{"raw_affiliation_string":"School of Software Engineering, Sun Yat-Sen University, China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081809399","display_name":"Xi Ding","orcid":"https://orcid.org/0000-0002-3409-9382"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xi Ding","raw_affiliation_strings":["School of Computer Science and Engineering, Sun Yat-sen University, China"],"raw_orcid":"https://orcid.org/0000-0002-3409-9382","affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, Sun Yat-sen University, China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000582109","display_name":"Zibin Zheng","orcid":"https://orcid.org/0000-0002-7878-4330"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zibin Zheng","raw_affiliation_strings":["School of Software Engineering, Sun Yat-Sen University, China"],"raw_orcid":"https://orcid.org/0000-0002-7878-4330","affiliations":[{"raw_affiliation_string":"School of Software Engineering, Sun Yat-Sen University, China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023904026","display_name":"Xiaocong Zhou","orcid":"https://orcid.org/0000-0003-3756-3483"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaocong Zhou","raw_affiliation_strings":["School of Computer Science and Engineering, Sun Yat-sen University, China"],"raw_orcid":"https://orcid.org/0000-0003-3756-3483","affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, Sun Yat-sen University, China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5072659343","display_name":"Hong\u2010Ning Dai","orcid":"https://orcid.org/0000-0001-6165-4196"},"institutions":[{"id":"https://openalex.org/I141568987","display_name":"Hong Kong Baptist University","ror":"https://ror.org/0145fw131","country_code":"HK","type":"education","lineage":["https://openalex.org/I141568987"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Hong-Ning Dai","raw_affiliation_strings":["Department of Computer Science, Hong Kong Baptist University, China"],"raw_orcid":"https://orcid.org/0000-0001-6165-4196","affiliations":[{"raw_affiliation_string":"Department of Computer Science, Hong Kong Baptist University, China","institution_ids":["https://openalex.org/I141568987"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":8,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":8.1676,"has_fulltext":false,"cited_by_count":19,"citation_normalized_percentile":{"value":0.97512107,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":100},"biblio":{"volume":"33","issue":"1","first_page":"1","last_page":"30"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10260","display_name":"Software Engineering Research","score":0.9998999834060669,"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/T10260","display_name":"Software Engineering Research","score":0.9998999834060669,"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/T12127","display_name":"Software System Performance and Reliability","score":0.9937999844551086,"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/T10743","display_name":"Software Testing and Debugging Techniques","score":0.9926999807357788,"subfield":{"id":"https://openalex.org/subfields/1712","display_name":"Software"},"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/snippet","display_name":"Snippet","score":0.9590866565704346},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.886554479598999},{"id":"https://openalex.org/keywords/program-comprehension","display_name":"Program comprehension","score":0.6498303413391113},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.5307574272155762},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.500795841217041},{"id":"https://openalex.org/keywords/source-code","display_name":"Source code","score":0.5006792545318604},{"id":"https://openalex.org/keywords/code","display_name":"Code (set theory)","score":0.48647353053092957},{"id":"https://openalex.org/keywords/header","display_name":"Header","score":0.4750490188598633},{"id":"https://openalex.org/keywords/abstract-syntax-tree","display_name":"Abstract syntax tree","score":0.41502296924591064},{"id":"https://openalex.org/keywords/parsing","display_name":"Parsing","score":0.3609544038772583},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.33801549673080444},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.33370232582092285},{"id":"https://openalex.org/keywords/software","display_name":"Software","score":0.27137649059295654},{"id":"https://openalex.org/keywords/software-system","display_name":"Software system","score":0.1449161171913147}],"concepts":[{"id":"https://openalex.org/C2777822670","wikidata":"https://www.wikidata.org/wiki/Q1120538","display_name":"Snippet","level":2,"score":0.9590866565704346},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.886554479598999},{"id":"https://openalex.org/C2777561058","wikidata":"https://www.wikidata.org/wiki/Q2652119","display_name":"Program comprehension","level":4,"score":0.6498303413391113},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.5307574272155762},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.500795841217041},{"id":"https://openalex.org/C43126263","wikidata":"https://www.wikidata.org/wiki/Q128751","display_name":"Source code","level":2,"score":0.5006792545318604},{"id":"https://openalex.org/C2776760102","wikidata":"https://www.wikidata.org/wiki/Q5139990","display_name":"Code (set theory)","level":3,"score":0.48647353053092957},{"id":"https://openalex.org/C48105269","wikidata":"https://www.wikidata.org/wiki/Q1141160","display_name":"Header","level":2,"score":0.4750490188598633},{"id":"https://openalex.org/C58646249","wikidata":"https://www.wikidata.org/wiki/Q127380","display_name":"Abstract syntax tree","level":3,"score":0.41502296924591064},{"id":"https://openalex.org/C186644900","wikidata":"https://www.wikidata.org/wiki/Q194152","display_name":"Parsing","level":2,"score":0.3609544038772583},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.33801549673080444},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.33370232582092285},{"id":"https://openalex.org/C2777904410","wikidata":"https://www.wikidata.org/wiki/Q7397","display_name":"Software","level":2,"score":0.27137649059295654},{"id":"https://openalex.org/C149091818","wikidata":"https://www.wikidata.org/wiki/Q2429814","display_name":"Software system","level":3,"score":0.1449161171913147},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3611664","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3611664","pdf_url":null,"source":{"id":"https://openalex.org/S142627899","display_name":"ACM Transactions on Software Engineering and Methodology","issn_l":"1049-331X","issn":["1049-331X","1557-7392"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Software Engineering and Methodology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.49000000953674316,"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9"}],"awards":[{"id":"https://openalex.org/G1378608539","display_name":null,"funder_award_id":"62032025","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G1989301810","display_name":null,"funder_award_id":"62032025, 61976061","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2566658430","display_name":null,"funder_award_id":"62032025","funder_id":"https://openalex.org/F4320337111","funder_display_name":"Basic and Applied Basic Research Foundation of Guangdong Province"},{"id":"https://openalex.org/G2809807691","display_name":null,"funder_award_id":"61976061","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6124970520","display_name":null,"funder_award_id":"2023A1515010746","funder_id":"https://openalex.org/F4320337111","funder_display_name":"Basic and Applied Basic Research Foundation of Guangdong Province"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320337111","display_name":"Basic and Applied Basic Research Foundation of Guangdong Province","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":60,"referenced_works":["https://openalex.org/W1498238796","https://openalex.org/W1875990341","https://openalex.org/W1970407057","https://openalex.org/W1984561845","https://openalex.org/W2037843344","https://openalex.org/W2046253855","https://openalex.org/W2070111972","https://openalex.org/W2081749632","https://openalex.org/W2082160726","https://openalex.org/W2104915799","https://openalex.org/W2114728368","https://openalex.org/W2129476935","https://openalex.org/W2133333349","https://openalex.org/W2136296681","https://openalex.org/W2166879716","https://openalex.org/W2294980783","https://openalex.org/W2466866282","https://openalex.org/W2516621648","https://openalex.org/W2562533059","https://openalex.org/W2600463316","https://openalex.org/W2621160075","https://openalex.org/W2741609678","https://openalex.org/W2789062242","https://openalex.org/W2884276923","https://openalex.org/W2888557792","https://openalex.org/W2897713187","https://openalex.org/W2903810591","https://openalex.org/W2919115771","https://openalex.org/W2921106742","https://openalex.org/W2948704560","https://openalex.org/W2949297108","https://openalex.org/W2954876572","https://openalex.org/W2963381560","https://openalex.org/W2963747784","https://openalex.org/W2964194820","https://openalex.org/W2964268484","https://openalex.org/W2969773072","https://openalex.org/W2990259449","https://openalex.org/W2991807031","https://openalex.org/W2999553660","https://openalex.org/W3014517104","https://openalex.org/W3016234956","https://openalex.org/W3028305817","https://openalex.org/W3039512627","https://openalex.org/W3046805850","https://openalex.org/W3085939759","https://openalex.org/W3086449553","https://openalex.org/W3091730360","https://openalex.org/W3097900310","https://openalex.org/W3098605233","https://openalex.org/W3099640733","https://openalex.org/W3103748122","https://openalex.org/W3122527318","https://openalex.org/W3123545166","https://openalex.org/W3131328028","https://openalex.org/W3132423207","https://openalex.org/W3176913510","https://openalex.org/W3179515446","https://openalex.org/W4200276311","https://openalex.org/W4206459383"],"related_works":["https://openalex.org/W2122804569","https://openalex.org/W4239900777","https://openalex.org/W4206927195","https://openalex.org/W2240979497","https://openalex.org/W4384811727","https://openalex.org/W2025599150","https://openalex.org/W4389751695","https://openalex.org/W2156676165","https://openalex.org/W3193746984","https://openalex.org/W4310447811"],"abstract_inverted_index":{"Code":[0],"commenting":[1],"plays":[2],"an":[3,211],"important":[4],"role":[5],"in":[6,62,265,269,273],"program":[7],"comprehension.":[8],"Automatic":[9],"comment":[10,33,47,56,96,278],"generation":[11,97,279],"helps":[12],"improve":[13],"software":[14],"maintenance":[15],"efficiency.":[16],"The":[17,31,54],"code":[18,60,70,75,84,88,91,135,173,198,223,237],"comments":[19,27,232],"to":[20,35,110,119,129,141,175,213,256],"annotate":[21],"a":[22,45,66,69,74,154,244],"method":[23],"mainly":[24,99],"include":[25],"header":[26,32,103],"and":[28,90,145,179,200,215,225,239,271],"snippet":[29,55,123,174,184,231,238],"comments.":[30],"aims":[34],"describe":[36],"the":[37,40,49,52,63,112,169,172,177,205,235,252],"functionality":[38],"of":[39,51,65,78,171,222],"entire":[41],"method,":[42,67],"thereby":[43,86],"providing":[44],"general":[46],"at":[48,58],"beginning":[50],"method.":[53],"appears":[57],"multiple":[59],"segments":[61],"body":[64],"where":[68],"segment":[71],"is":[72,117,127],"called":[73,163],"snippet.":[76],"Both":[77],"them":[79],"help":[80],"developers":[81],"quickly":[82],"understand":[83],"semantics,":[85],"improving":[87],"readability":[89],"maintainability.":[92],"However,":[93],"existing":[94],"automatic":[95],"models":[98],"focus":[100],"more":[101],"on":[102,251],"comments,":[104,124],"because":[105,125],"there":[106],"are":[107,137,187],"public":[108],"datasets":[109,121],"validate":[111],"performance.":[113],"By":[114],"contrast,":[115],"it":[116,126],"challenging":[118],"collect":[120],"for":[122],"difficult":[128],"determine":[130],"their":[131],"scope.":[132],"Even":[133],"worse,":[134],"snippets":[136,199,224],"often":[138],"too":[139],"short":[140],"capture":[142,195],"complete":[143],"syntax":[144,178,218],"semantic":[146,180],"information.":[147,181],"To":[148],"address":[149],"this":[150],"challenge,":[151],"we":[152,167,194,209,254],"propose":[153],"novel":[155],"S":[156],"nippet":[157],"C":[158],"omment":[159],"Gen":[160],"eration":[161],"approach":[162,262],"SCGen":[164,229,259],".":[165,260],"First,":[166],"utilize":[168],"context":[170],"expand":[176],"Specifically,":[182],"600,243":[183],"code-comment":[185],"pairs":[186],"collected":[188,255],"from":[189,197,204],"959":[190],"Java":[191],"projects.":[192],"Then,":[193],"variables":[196],"extract":[201],"variable-related":[202],"statements":[203],"context.":[206,227],"After":[207],"that,":[208],"devise":[210],"algorithm":[212],"parse":[214],"traverse":[216],"abstract":[217],"tree":[219],"(AST)":[220],"information":[221,242],"corresponding":[226,240],"Finally,":[228],"generates":[230],"after":[233],"inputting":[234],"source":[236],"AST":[241],"into":[243],"sequence-to-sequence-based":[245],"model.":[246],"We":[247],"conducted":[248],"extensive":[249],"experiments":[250],"dataset":[253],"evaluate":[257],"our":[258],"Our":[261],"obtains":[263],"18.23":[264],"BLEU-4":[266],"metrics,":[267],"18.83":[268],"METEOR,":[270],"23.65":[272],"ROUGE-L,":[274],"which":[275],"outperforms":[276],"state-of-the-art":[277],"models.":[280]},"counts_by_year":[{"year":2026,"cited_by_count":8},{"year":2025,"cited_by_count":7},{"year":2024,"cited_by_count":4}],"updated_date":"2026-06-16T09:24:06.705377","created_date":"2025-10-10T00:00:00"}