{"id":"https://openalex.org/W7165664301","doi":"https://doi.org/10.1007/s00521-026-12222-9","title":"Graph-based predictive modeling for waste management in smart cities","display_name":"Graph-based predictive modeling for waste management in smart cities","publication_year":2026,"publication_date":"2026-06-23","ids":{"openalex":"https://openalex.org/W7165664301","doi":"https://doi.org/10.1007/s00521-026-12222-9"},"language":"en","primary_location":{"id":"doi:10.1007/s00521-026-12222-9","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s00521-026-12222-9","pdf_url":"https://link.springer.com/content/pdf/10.1007/s00521-026-12222-9.pdf","source":{"id":"https://openalex.org/S147897268","display_name":"Neural Computing and Applications","issn_l":"0941-0643","issn":["0941-0643","1433-3058"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Neural Computing and Applications","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://link.springer.com/content/pdf/10.1007/s00521-026-12222-9.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5069541151","display_name":"Antonio Galli","orcid":"https://orcid.org/0000-0001-9911-1517"},"institutions":[{"id":"https://openalex.org/I4210125310","display_name":"Pegaso University","ror":"https://ror.org/03cxwg632","country_code":"IT","type":"education","lineage":["https://openalex.org/I4210125310"]},{"id":"https://openalex.org/I71267560","display_name":"University of Naples Federico II","ror":"https://ror.org/05290cv24","country_code":"IT","type":"education","lineage":["https://openalex.org/I71267560"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"Antonio Galli","raw_affiliation_strings":["Department of Electrical Engineering and Information Technology, University of Naples Federico II, via Claudio 21, 80125, Naples, Italy","Department of Information Science and Technology, Pegaso University, Piazza Trieste e Trento 48, 80132, Naples, Italy"],"raw_orcid":"https://orcid.org/0000-0001-9911-1517","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering and Information Technology, University of Naples Federico II, via Claudio 21, 80125, Naples, Italy","institution_ids":["https://openalex.org/I71267560"]},{"raw_affiliation_string":"Department of Information Science and Technology, Pegaso University, Piazza Trieste e Trento 48, 80132, Naples, Italy","institution_ids":["https://openalex.org/I4210125310"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057490206","display_name":"Antonino Ferraro","orcid":"https://orcid.org/0000-0002-1326-0325"},"institutions":[{"id":"https://openalex.org/I4210125310","display_name":"Pegaso University","ror":"https://ror.org/03cxwg632","country_code":"IT","type":"education","lineage":["https://openalex.org/I4210125310"]},{"id":"https://openalex.org/I71267560","display_name":"University of Naples Federico II","ror":"https://ror.org/05290cv24","country_code":"IT","type":"education","lineage":["https://openalex.org/I71267560"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Antonino Ferraro","raw_affiliation_strings":["Department of Electrical Engineering and Information Technology, University of Naples Federico II, via Claudio 21, 80125, Naples, Italy","Department of Information Science and Technology, Pegaso University, Piazza Trieste e Trento 48, 80132, Naples, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering and Information Technology, University of Naples Federico II, via Claudio 21, 80125, Naples, Italy","institution_ids":["https://openalex.org/I71267560"]},{"raw_affiliation_string":"Department of Information Science and Technology, Pegaso University, Piazza Trieste e Trento 48, 80132, Naples, Italy","institution_ids":["https://openalex.org/I4210125310"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038118094","display_name":"Valerio La Gatta","orcid":"https://orcid.org/0000-0002-5941-4684"},"institutions":[{"id":"https://openalex.org/I4210125310","display_name":"Pegaso University","ror":"https://ror.org/03cxwg632","country_code":"IT","type":"education","lineage":["https://openalex.org/I4210125310"]},{"id":"https://openalex.org/I71267560","display_name":"University of Naples Federico II","ror":"https://ror.org/05290cv24","country_code":"IT","type":"education","lineage":["https://openalex.org/I71267560"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Valerio La Gatta","raw_affiliation_strings":["Department of Electrical Engineering and Information Technology, University of Naples Federico II, via Claudio 21, 80125, Naples, Italy","Department of Information Science and Technology, Pegaso University, Piazza Trieste e Trento 48, 80132, Naples, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering and Information Technology, University of Naples Federico II, via Claudio 21, 80125, Naples, Italy","institution_ids":["https://openalex.org/I71267560"]},{"raw_affiliation_string":"Department of Information Science and Technology, Pegaso University, Piazza Trieste e Trento 48, 80132, Naples, Italy","institution_ids":["https://openalex.org/I4210125310"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022700280","display_name":"Marco Postiglione","orcid":"https://orcid.org/0000-0003-1470-8053"},"institutions":[{"id":"https://openalex.org/I4210125310","display_name":"Pegaso University","ror":"https://ror.org/03cxwg632","country_code":"IT","type":"education","lineage":["https://openalex.org/I4210125310"]},{"id":"https://openalex.org/I71267560","display_name":"University of Naples Federico II","ror":"https://ror.org/05290cv24","country_code":"IT","type":"education","lineage":["https://openalex.org/I71267560"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Marco Postiglione","raw_affiliation_strings":["Department of Electrical Engineering and Information Technology, University of Naples Federico II, via Claudio 21, 80125, Naples, Italy","Department of Information Science and Technology, Pegaso University, Piazza Trieste e Trento 48, 80132, Naples, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering and Information Technology, University of Naples Federico II, via Claudio 21, 80125, Naples, Italy","institution_ids":["https://openalex.org/I71267560"]},{"raw_affiliation_string":"Department of Information Science and Technology, Pegaso University, Piazza Trieste e Trento 48, 80132, Naples, Italy","institution_ids":["https://openalex.org/I4210125310"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5081965427","display_name":"Vincenzo Moscato","orcid":"https://orcid.org/0000-0002-0754-7696"},"institutions":[{"id":"https://openalex.org/I4210125310","display_name":"Pegaso University","ror":"https://ror.org/03cxwg632","country_code":"IT","type":"education","lineage":["https://openalex.org/I4210125310"]},{"id":"https://openalex.org/I71267560","display_name":"University of Naples Federico II","ror":"https://ror.org/05290cv24","country_code":"IT","type":"education","lineage":["https://openalex.org/I71267560"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Vincenzo Moscato","raw_affiliation_strings":["Department of Electrical Engineering and Information Technology, University of Naples Federico II, via Claudio 21, 80125, Naples, Italy","Department of Information Science and Technology, Pegaso University, Piazza Trieste e Trento 48, 80132, Naples, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering and Information Technology, University of Naples Federico II, via Claudio 21, 80125, Naples, Italy","institution_ids":["https://openalex.org/I71267560"]},{"raw_affiliation_string":"Department of Information Science and Technology, Pegaso University, Piazza Trieste e Trento 48, 80132, Naples, Italy","institution_ids":["https://openalex.org/I4210125310"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5069541151"],"corresponding_institution_ids":["https://openalex.org/I4210125310","https://openalex.org/I71267560"],"apc_list":{"value":2990,"currency":"USD","value_usd":2990},"apc_paid":{"value":2990,"currency":"USD","value_usd":2990},"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.72636,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"38","issue":"13","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11108","display_name":"Municipal Solid Waste Management","score":0.9520999789237976,"subfield":{"id":"https://openalex.org/subfields/2311","display_name":"Industrial and Manufacturing Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11108","display_name":"Municipal Solid Waste Management","score":0.9520999789237976,"subfield":{"id":"https://openalex.org/subfields/2311","display_name":"Industrial and Manufacturing Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11479","display_name":"Smart Cities and Technologies","score":0.01720000058412552,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"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/T11847","display_name":"Recycled Aggregate Concrete Performance","score":0.00279999990016222,"subfield":{"id":"https://openalex.org/subfields/2215","display_name":"Building and Construction"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/embedding","display_name":"Embedding","score":0.5870000123977661},{"id":"https://openalex.org/keywords/mean-squared-error","display_name":"Mean squared error","score":0.5698999762535095},{"id":"https://openalex.org/keywords/interdependence","display_name":"Interdependence","score":0.5586000084877014},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.5073000192642212},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.5066999793052673},{"id":"https://openalex.org/keywords/smart-city","display_name":"Smart city","score":0.5},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.4740999937057495},{"id":"https://openalex.org/keywords/spatial-analysis","display_name":"Spatial analysis","score":0.3732999861240387},{"id":"https://openalex.org/keywords/mean-absolute-error","display_name":"Mean absolute error","score":0.3625999987125397}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7574999928474426},{"id":"https://openalex.org/C41608201","wikidata":"https://www.wikidata.org/wiki/Q980509","display_name":"Embedding","level":2,"score":0.5870000123977661},{"id":"https://openalex.org/C139945424","wikidata":"https://www.wikidata.org/wiki/Q1940696","display_name":"Mean squared error","level":2,"score":0.5698999762535095},{"id":"https://openalex.org/C185874996","wikidata":"https://www.wikidata.org/wiki/Q269699","display_name":"Interdependence","level":2,"score":0.5586000084877014},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.5073000192642212},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.5066999793052673},{"id":"https://openalex.org/C2777103469","wikidata":"https://www.wikidata.org/wiki/Q1231558","display_name":"Smart city","level":3,"score":0.5},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.4740999937057495},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.3758000135421753},{"id":"https://openalex.org/C159620131","wikidata":"https://www.wikidata.org/wiki/Q1938983","display_name":"Spatial analysis","level":2,"score":0.3732999861240387},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3668999969959259},{"id":"https://openalex.org/C188154048","wikidata":"https://www.wikidata.org/wiki/Q6803609","display_name":"Mean absolute error","level":3,"score":0.3625999987125397},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3553999960422516},{"id":"https://openalex.org/C122637931","wikidata":"https://www.wikidata.org/wiki/Q118084","display_name":"Unit (ring theory)","level":2,"score":0.35510000586509705},{"id":"https://openalex.org/C67363961","wikidata":"https://www.wikidata.org/wiki/Q5268834","display_name":"Information and Communications Technology","level":2,"score":0.3508000075817108},{"id":"https://openalex.org/C66746571","wikidata":"https://www.wikidata.org/wiki/Q1134833","display_name":"ENCODE","level":3,"score":0.33309999108314514},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.32829999923706055},{"id":"https://openalex.org/C2164484","wikidata":"https://www.wikidata.org/wiki/Q5170150","display_name":"Core (optical fiber)","level":2,"score":0.30790001153945923},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.2888999879360199},{"id":"https://openalex.org/C150217764","wikidata":"https://www.wikidata.org/wiki/Q6803607","display_name":"Mean absolute percentage error","level":3,"score":0.28029999136924744},{"id":"https://openalex.org/C165696696","wikidata":"https://www.wikidata.org/wiki/Q11287","display_name":"Exploit","level":2,"score":0.27950000762939453},{"id":"https://openalex.org/C13736549","wikidata":"https://www.wikidata.org/wiki/Q4489420","display_name":"Industrial engineering","level":1,"score":0.27869999408721924},{"id":"https://openalex.org/C152223200","wikidata":"https://www.wikidata.org/wiki/Q3055471","display_name":"Smart environment","level":3,"score":0.2773999869823456},{"id":"https://openalex.org/C116409475","wikidata":"https://www.wikidata.org/wiki/Q1385056","display_name":"External Data Representation","level":2,"score":0.27390000224113464},{"id":"https://openalex.org/C108583219","wikidata":"https://www.wikidata.org/wiki/Q197536","display_name":"Deep learning","level":2,"score":0.27379998564720154},{"id":"https://openalex.org/C59404180","wikidata":"https://www.wikidata.org/wiki/Q17013334","display_name":"Feature learning","level":2,"score":0.2687999904155731},{"id":"https://openalex.org/C1668388","wikidata":"https://www.wikidata.org/wiki/Q1149776","display_name":"Data management","level":2,"score":0.26489999890327454},{"id":"https://openalex.org/C75684735","wikidata":"https://www.wikidata.org/wiki/Q858810","display_name":"Big data","level":2,"score":0.2648000121116638},{"id":"https://openalex.org/C121017731","wikidata":"https://www.wikidata.org/wiki/Q11661","display_name":"Information technology","level":2,"score":0.26010000705718994},{"id":"https://openalex.org/C67186912","wikidata":"https://www.wikidata.org/wiki/Q367664","display_name":"Data modeling","level":2,"score":0.2578999996185303}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s00521-026-12222-9","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s00521-026-12222-9","pdf_url":"https://link.springer.com/content/pdf/10.1007/s00521-026-12222-9.pdf","source":{"id":"https://openalex.org/S147897268","display_name":"Neural Computing and Applications","issn_l":"0941-0643","issn":["0941-0643","1433-3058"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Neural Computing and Applications","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1007/s00521-026-12222-9","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s00521-026-12222-9","pdf_url":"https://link.springer.com/content/pdf/10.1007/s00521-026-12222-9.pdf","source":{"id":"https://openalex.org/S147897268","display_name":"Neural Computing and Applications","issn_l":"0941-0643","issn":["0941-0643","1433-3058"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Neural Computing and Applications","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities","score":0.5825440287590027}],"awards":[],"funders":[{"id":"https://openalex.org/F4320309590","display_name":"Universit\u00e0 degli Studi di Napoli Federico II","ror":"https://ror.org/05290cv24"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7165664301.pdf","grobid_xml":"https://content.openalex.org/works/W7165664301.grobid-xml"},"referenced_works_count":31,"referenced_works":["https://openalex.org/W1793690408","https://openalex.org/W2051240301","https://openalex.org/W2567327791","https://openalex.org/W2756203131","https://openalex.org/W2783665247","https://openalex.org/W2885809610","https://openalex.org/W2916624542","https://openalex.org/W2941630532","https://openalex.org/W2965341826","https://openalex.org/W3030756822","https://openalex.org/W3041739179","https://openalex.org/W3072974451","https://openalex.org/W3089579812","https://openalex.org/W3094044388","https://openalex.org/W3127982897","https://openalex.org/W3143407182","https://openalex.org/W3144879775","https://openalex.org/W3165645931","https://openalex.org/W3167032456","https://openalex.org/W3177567214","https://openalex.org/W3200786513","https://openalex.org/W4283764350","https://openalex.org/W4308575788","https://openalex.org/W4311510814","https://openalex.org/W4376614633","https://openalex.org/W4379879377","https://openalex.org/W4381661790","https://openalex.org/W4386062602","https://openalex.org/W4387163674","https://openalex.org/W4389204039","https://openalex.org/W4392827754"],"related_works":[],"abstract_inverted_index":{"Abstract":[0],"Smart":[1],"cities,":[2],"as":[3,149],"a":[4,55,66,85,140,152,179,186,194,237],"constantly":[5],"evolving":[6],"field,":[7],"offer":[8],"numerous":[9],"opportunities":[10],"for":[11,39,69,132,226],"advancement":[12],"and":[13,18,29,44,76,104,127,155,163,201,264],"innovation.":[14],"In":[15,61],"particular,":[16],"more":[17,19],"specific":[20],"sectors":[21],"within":[22],"smart":[23,95,230,247],"cities":[24],"currently":[25],"require":[26],"increased":[27],"attention":[28],"development.":[30],"Notably,":[31],"the":[32,88,172,175,209,216,234,243],"integration":[33,217],"of":[34,58,84,112,151,174,184,192,199,205,218],"emerging":[35],"technologies":[36],"holds":[37,224],"promise":[38,225],"significant":[40],"progress":[41],"in":[42,87,116,144,229],"efficiency":[43],"management":[45,53,72],"across":[46,261],"various":[47],"urban":[48,51],"issues,":[49],"with":[50,98],"waste":[52,71,231],"being":[54],"key":[56],"focus":[57],"this":[59,62,113],"research.":[60],"paper,":[63],"we":[64,138],"propose":[65],"new":[67],"methodology":[68],"intelligent":[70],"combining":[73],"graph-based":[74,141],"modeling":[75],"advanced":[77],"machine":[78,119],"learning":[79,120],"techniques.":[80],"A":[81],"case":[82],"study":[83,235],"municipality":[86],"Melbourne":[89],"area":[90],"(Australia)":[91],"is":[92],"examined,":[93],"where":[94,250],"bins":[96,146],"equipped":[97],"fill-level":[99],"sensors":[100],"have":[101],"been":[102],"deployed,":[103],"their":[105],"data":[106],"made":[107],"publicly":[108],"accessible.":[109],"The":[110,169],"core":[111],"investigation":[114],"lies":[115],"utilizing":[117],"sophisticated":[118],"models,":[121],"including":[122],"Long":[123],"Short-Term":[124],"Memory":[125],"(LSTM)":[126],"Gated":[128],"Recurrent":[129],"Unit":[130],"(GRU),":[131],"predicting":[133],"bin":[134],"fill":[135],"levels.":[136],"Additionally,":[137],"introduce":[139],"spatial":[142,165,219],"representation":[143],"which":[145,207],"are":[147,159],"modeled":[148],"nodes":[150],"weighted":[153],"graph,":[154],"graph":[156,222],"embedding":[157,223],"techniques":[158],"employed":[160],"to":[161,246],"capture":[162],"encode":[164],"dependencies":[166],"among":[167],"them.":[168],"findings":[170],"validate":[171],"effectiveness":[173],"proposed":[176],"methodology,":[177],"achieving":[178],"Mean":[180,188,195],"Absolute":[181],"Error":[182,190,197],"(MAE)":[183],"0.16,":[185],"Root":[187],"Squared":[189,196],"(RMSE)":[191],"0.21,":[193],"(MSE)":[198],"0.044,":[200],"an":[202],"R":[203],"2":[204],"0.83,":[206],"outperforms":[208],"reference":[210],"baseline.":[211],"Our":[212],"results":[213],"highlight":[214],"how":[215],"information":[220],"through":[221],"improving":[227],"predictions":[228],"management.":[232],"Furthermore,":[233],"suggests":[236],"transferable":[238],"methodological":[239],"framework,":[240],"applicable":[241],"at":[242],"architectural":[244],"level":[245],"city":[248],"challenges":[249],"spatially":[251],"distributed":[252],"entities":[253],"exhibit":[254],"interdependent":[255],"temporal":[256],"dynamics,":[257],"pending":[258],"empirical":[259],"validation":[260],"further":[262],"domains":[263],"cities.":[265]},"counts_by_year":[],"updated_date":"2026-07-23T08:03:31.855105","created_date":"2026-06-24T00:00:00"}