{"id":"https://openalex.org/W7165136855","doi":"https://doi.org/10.1145/3744256.3812561","title":"Multimodal Walkability Assessment and Path Optimization for Pedestrian Routing Using Environmental Analytics and LLMs","display_name":"Multimodal Walkability Assessment and Path Optimization for Pedestrian Routing Using Environmental Analytics and LLMs","publication_year":2026,"publication_date":"2026-06-19","ids":{"openalex":"https://openalex.org/W7165136855","doi":"https://doi.org/10.1145/3744256.3812561"},"language":null,"primary_location":{"id":"doi:10.1145/3744256.3812561","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3744256.3812561","pdf_url":null,"source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 13th ACM International Conference on Systems for Energy-Efficient Buildings, Cities, and Transportation","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1145/3744256.3812561","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5138915175","display_name":"Alice Han","orcid":"https://orcid.org/0009-0006-3666-9189"},"institutions":[{"id":"https://openalex.org/I58610484","display_name":"Seattle University","ror":"https://ror.org/02jqc0m91","country_code":"US","type":"education","lineage":["https://openalex.org/I58610484"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Alice Han","raw_affiliation_strings":["Department of Computer Science, Seattle University, Seattle, Washington, USA"],"raw_orcid":"https://orcid.org/0009-0006-3666-9189","affiliations":[{"raw_affiliation_string":"Department of Computer Science, Seattle University, Seattle, Washington, USA","institution_ids":["https://openalex.org/I58610484"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5138920842","display_name":"Angela Han","orcid":"https://orcid.org/0009-0003-8965-1394"},"institutions":[{"id":"https://openalex.org/I58610484","display_name":"Seattle University","ror":"https://ror.org/02jqc0m91","country_code":"US","type":"education","lineage":["https://openalex.org/I58610484"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Angela Han","raw_affiliation_strings":["Department of Computer Science, Seattle University, Seattle, Washington, USA"],"raw_orcid":"https://orcid.org/0009-0003-8965-1394","affiliations":[{"raw_affiliation_string":"Department of Computer Science, Seattle University, Seattle, Washington, USA","institution_ids":["https://openalex.org/I58610484"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5138208760","display_name":"Tony Nguyen","orcid":"https://orcid.org/0009-0000-4952-0857"},"institutions":[{"id":"https://openalex.org/I58610484","display_name":"Seattle University","ror":"https://ror.org/02jqc0m91","country_code":"US","type":"education","lineage":["https://openalex.org/I58610484"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Tony Nguyen","raw_affiliation_strings":["Department of Computer Science, Seattle University, Seattle, Washington, USA"],"raw_orcid":"https://orcid.org/0009-0000-4952-0857","affiliations":[{"raw_affiliation_string":"Department of Computer Science, Seattle University, Seattle, Washington, USA","institution_ids":["https://openalex.org/I58610484"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5138896346","display_name":"Victoria Zhang","orcid":"https://orcid.org/0009-0005-9950-3920"},"institutions":[{"id":"https://openalex.org/I2799496773","display_name":"University Prep","ror":"https://ror.org/056hgyx35","country_code":"US","type":"education","lineage":["https://openalex.org/I2799496773"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Victoria Zhang","raw_affiliation_strings":["Eastside Preparatory School, Seattle, USA"],"raw_orcid":"https://orcid.org/0009-0005-9950-3920","affiliations":[{"raw_affiliation_string":"Eastside Preparatory School, Seattle, USA","institution_ids":["https://openalex.org/I2799496773"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5121755211","display_name":"Alivia Zhao","orcid":null},"institutions":[{"id":"https://openalex.org/I58610484","display_name":"Seattle University","ror":"https://ror.org/02jqc0m91","country_code":"US","type":"education","lineage":["https://openalex.org/I58610484"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Alivia Zhao","raw_affiliation_strings":["Department of Computer Science, Seattle University, Seattle, Washington, USA"],"raw_orcid":"https://orcid.org/0009-0007-1411-1405","affiliations":[{"raw_affiliation_string":"Department of Computer Science, Seattle University, Seattle, Washington, USA","institution_ids":["https://openalex.org/I58610484"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5138866589","display_name":"Desmond Wan","orcid":"https://orcid.org/0009-0004-8775-8136"},"institutions":[{"id":"https://openalex.org/I174135032","display_name":"Bellevue College","ror":"https://ror.org/05gr4yv49","country_code":"US","type":"education","lineage":["https://openalex.org/I174135032"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Desmond Wan","raw_affiliation_strings":["Bellevue High School, Seattle, USA"],"raw_orcid":"https://orcid.org/0009-0004-8775-8136","affiliations":[{"raw_affiliation_string":"Bellevue High School, Seattle, USA","institution_ids":["https://openalex.org/I174135032"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053246589","display_name":"Wan D. Bae","orcid":"https://orcid.org/0000-0002-4611-5546"},"institutions":[{"id":"https://openalex.org/I58610484","display_name":"Seattle University","ror":"https://ror.org/02jqc0m91","country_code":"US","type":"education","lineage":["https://openalex.org/I58610484"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Wan D. Bae","raw_affiliation_strings":["Department of Computer Science, Seattle University, Seattle, Washington, USA"],"raw_orcid":"https://orcid.org/0000-0002-4611-5546","affiliations":[{"raw_affiliation_string":"Department of Computer Science, Seattle University, Seattle, Washington, USA","institution_ids":["https://openalex.org/I58610484"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5053161595","display_name":"Matthew Horak","orcid":null},"institutions":[{"id":"https://openalex.org/I1311688040","display_name":"Amazon (United States)","ror":"https://ror.org/04mv4n011","country_code":"US","type":"company","lineage":["https://openalex.org/I1311688040"]},{"id":"https://openalex.org/I58610484","display_name":"Seattle University","ror":"https://ror.org/02jqc0m91","country_code":"US","type":"education","lineage":["https://openalex.org/I58610484"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Matthew Horak","raw_affiliation_strings":["Amazon AWS, Seattle, USA"],"raw_orcid":"https://orcid.org/0009-0008-3968-3626","affiliations":[{"raw_affiliation_string":"Amazon AWS, Seattle, USA","institution_ids":["https://openalex.org/I1311688040","https://openalex.org/I58610484"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":8,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.95246734,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"344","last_page":"353"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10298","display_name":"Urban Transport and Accessibility","score":0.1467999964952469,"subfield":{"id":"https://openalex.org/subfields/3313","display_name":"Transportation"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T10298","display_name":"Urban Transport and Accessibility","score":0.1467999964952469,"subfield":{"id":"https://openalex.org/subfields/3313","display_name":"Transportation"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T11500","display_name":"Evacuation and Crowd Dynamics","score":0.10980000346899033,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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/T11344","display_name":"Traffic Prediction and Management Techniques","score":0.07680000364780426,"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/pedestrian","display_name":"Pedestrian","score":0.7213000059127808},{"id":"https://openalex.org/keywords/walkability","display_name":"Walkability","score":0.579800009727478},{"id":"https://openalex.org/keywords/path","display_name":"Path (computing)","score":0.5378999710083008},{"id":"https://openalex.org/keywords/routing","display_name":"Routing (electronic design automation)","score":0.42809998989105225},{"id":"https://openalex.org/keywords/analytics","display_name":"Analytics","score":0.3921999931335449},{"id":"https://openalex.org/keywords/environmental-data","display_name":"Environmental data","score":0.3287999927997589}],"concepts":[{"id":"https://openalex.org/C2777113093","wikidata":"https://www.wikidata.org/wiki/Q221488","display_name":"Pedestrian","level":2,"score":0.7213000059127808},{"id":"https://openalex.org/C2780814631","wikidata":"https://www.wikidata.org/wiki/Q2822691","display_name":"Walkability","level":3,"score":0.579800009727478},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5788999795913696},{"id":"https://openalex.org/C2777735758","wikidata":"https://www.wikidata.org/wiki/Q817765","display_name":"Path (computing)","level":2,"score":0.5378999710083008},{"id":"https://openalex.org/C74172769","wikidata":"https://www.wikidata.org/wiki/Q1446839","display_name":"Routing (electronic design automation)","level":2,"score":0.42809998989105225},{"id":"https://openalex.org/C79158427","wikidata":"https://www.wikidata.org/wiki/Q485396","display_name":"Analytics","level":2,"score":0.3921999931335449},{"id":"https://openalex.org/C2776356880","wikidata":"https://www.wikidata.org/wiki/Q5381206","display_name":"Environmental data","level":2,"score":0.3287999927997589},{"id":"https://openalex.org/C22212356","wikidata":"https://www.wikidata.org/wiki/Q775325","display_name":"Transport engineering","level":1,"score":0.32749998569488525},{"id":"https://openalex.org/C42475967","wikidata":"https://www.wikidata.org/wiki/Q194292","display_name":"Operations research","level":1,"score":0.2802000045776367},{"id":"https://openalex.org/C164749845","wikidata":"https://www.wikidata.org/wiki/Q320389","display_name":"Environmental impact assessment","level":2,"score":0.27379998564720154},{"id":"https://openalex.org/C148803439","wikidata":"https://www.wikidata.org/wiki/Q4986688","display_name":"Built environment","level":2,"score":0.265500009059906},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.26190000772476196},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.25760000944137573},{"id":"https://openalex.org/C49545453","wikidata":"https://www.wikidata.org/wiki/Q69883","display_name":"Urban planning","level":2,"score":0.25690001249313354}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3744256.3812561","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3744256.3812561","pdf_url":null,"source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 13th ACM International Conference on Systems for Energy-Efficient Buildings, Cities, and Transportation","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.1145/3744256.3812561","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3744256.3812561","pdf_url":null,"source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 13th ACM International Conference on Systems for Energy-Efficient Buildings, Cities, and Transportation","raw_type":"proceedings-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":27,"referenced_works":["https://openalex.org/W2011282943","https://openalex.org/W2048400826","https://openalex.org/W2119616510","https://openalex.org/W2163603259","https://openalex.org/W2164183644","https://openalex.org/W2549766072","https://openalex.org/W2567641496","https://openalex.org/W2795145099","https://openalex.org/W2888875559","https://openalex.org/W2893280452","https://openalex.org/W2997743882","https://openalex.org/W3123306064","https://openalex.org/W4200494526","https://openalex.org/W4367844544","https://openalex.org/W4378800994","https://openalex.org/W4387507611","https://openalex.org/W4388960531","https://openalex.org/W4404781852","https://openalex.org/W4405942563","https://openalex.org/W4408386788","https://openalex.org/W4409735743","https://openalex.org/W4409736025","https://openalex.org/W4409736279","https://openalex.org/W4409916697","https://openalex.org/W4409961750","https://openalex.org/W4410154323","https://openalex.org/W4411408637"],"related_works":[],"abstract_inverted_index":{"Walkability-aware":[0],"pedestrian":[1,71,150],"navigation":[2,151],"requires":[3],"integrating":[4,102],"heterogeneous":[5],"urban":[6,136,153],"data":[7],"with":[8,43,114,122],"human-centered":[9],"perception,":[10,135],"yet":[11],"most":[12],"existing":[13],"systems":[14],"treat":[15],"these":[16],"factors":[17],"in":[18],"isolation":[19],"or":[20],"do":[21],"not":[22],"support":[23],"route-level":[24],"optimization.":[25,73],"This":[26],"paper":[27],"presents":[28],"an":[29,44],"end-to-end":[30],"urban-scale":[31],"system":[32,58,88,148],"that":[33,63,101,111],"combines":[34],"multimodal":[35,134],"large":[36],"language":[37],"model":[38],"perception":[39],"of":[40],"street-view":[41,78],"imagery":[42],"Environmental":[45],"Analytics":[46],"Module":[47],"incorporating":[48],"sidewalk":[49],"conditions,":[50],"crime":[51],"patterns,":[52],"lighting":[53],"infrastructure,":[54],"and":[55,80,93,104,117,126,138,152],"elevation.":[56],"The":[57,129],"produces":[59,118],"segment-level":[60],"walkability":[61,108],"scores":[62],"are":[64],"transformed":[65],"into":[66,145],"walkability-aware":[67],"cost":[68],"functions":[69],"for":[70,149],"path":[72],"Using":[74],"more":[75],"than":[76],"21,000":[77],"images":[79],"multiple":[81],"municipal":[82],"datasets":[83],"from":[84],"Seattle,":[85],"we":[86],"evaluate":[87],"design":[89],"choices,":[90],"scoring":[91],"stability,":[92],"routing":[94,140],"trade-offs":[95],"across":[96],"diverse":[97],"neighborhoods.":[98],"Results":[99],"show":[100],"perceptual":[103],"environmental":[105],"signals":[106],"yields":[107],"score":[109],"distributions":[110],"better":[112],"align":[113],"human":[115],"judgments":[116],"stable,":[119],"interpretable":[120],"paths":[121],"socially":[123],"acceptable":[124],"distance":[125],"elevation":[127],"trade-offs.":[128],"proposed":[130],"framework":[131],"demonstrates":[132],"how":[133],"sensing,":[137],"scalable":[139],"can":[141],"be":[142],"jointly":[143],"integrated":[144],"a":[146],"practical":[147],"planning.":[154]},"counts_by_year":[],"updated_date":"2026-06-20T20:08:15.867695","created_date":"2026-06-19T00:00:00"}
