{"id":"https://openalex.org/W7162632696","doi":"https://doi.org/10.1145/3774905.3793103","title":"STIndex: A Context-Aware Multi-Dimensional Spatiotemporal Information Extraction System","display_name":"STIndex: A Context-Aware Multi-Dimensional Spatiotemporal Information Extraction System","publication_year":2026,"publication_date":"2026-05-28","ids":{"openalex":"https://openalex.org/W7162632696","doi":"https://doi.org/10.1145/3774905.3793103"},"language":null,"primary_location":{"id":"doi:10.1145/3774905.3793103","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3774905.3793103","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":"Companion Proceedings of the ACM Web Conference 2026","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1145/3774905.3793103","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5053602880","display_name":"W Zhang","orcid":null},"institutions":[{"id":"https://openalex.org/I177877127","display_name":"The University of Western Australia","ror":"https://ror.org/047272k79","country_code":"AU","type":"education","lineage":["https://openalex.org/I177877127"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Wenxiao Zhang","raw_affiliation_strings":["The University of Western Australia, Perth, WA, Australia"],"raw_orcid":"https://orcid.org/0009-0000-5196-8562","affiliations":[{"raw_affiliation_string":"The University of Western Australia, Perth, WA, Australia","institution_ids":["https://openalex.org/I177877127"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100644814","display_name":"Ying Liu","orcid":"https://orcid.org/0000-0002-8951-2648"},"institutions":[{"id":"https://openalex.org/I4210137199","display_name":"Aerospace Information Research Institute","ror":"https://ror.org/0419fj215","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]},{"id":"https://openalex.org/I4210156404","display_name":"Institute of Information Engineering","ror":"https://ror.org/04r53se39","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210156404"]},{"id":"https://openalex.org/I4210159876","display_name":"Institute of Physics","ror":"https://ror.org/05cvf7v30","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210159876"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yu Liu","raw_affiliation_strings":["Institute of Information Engineering, Chinese Academy of Sciences, Beijing, China and University of Chinese Academy of Sciences, Beijing, China"],"raw_orcid":"https://orcid.org/0009-0001-7592-8036","affiliations":[{"raw_affiliation_string":"Institute of Information Engineering, Chinese Academy of Sciences, Beijing, China and University of Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210156404","https://openalex.org/I4210137199","https://openalex.org/I4210159876"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110363937","display_name":"Qiang Sun","orcid":null},"institutions":[{"id":"https://openalex.org/I177877127","display_name":"The University of Western Australia","ror":"https://ror.org/047272k79","country_code":"AU","type":"education","lineage":["https://openalex.org/I177877127"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Qiang Sun","raw_affiliation_strings":["The University of Western Australia, Perth, WA, Australia"],"raw_orcid":"https://orcid.org/0000-0002-4445-0025","affiliations":[{"raw_affiliation_string":"The University of Western Australia, Perth, WA, Australia","institution_ids":["https://openalex.org/I177877127"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5137249892","display_name":"Yihao Ding","orcid":"https://orcid.org/0000-0001-5065-6911"},"institutions":[{"id":"https://openalex.org/I177877127","display_name":"The University of Western Australia","ror":"https://ror.org/047272k79","country_code":"AU","type":"education","lineage":["https://openalex.org/I177877127"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Yihao Ding","raw_affiliation_strings":["The University of Western Australia, Perth, WA, Australia"],"raw_orcid":"https://orcid.org/0000-0001-5065-6911","affiliations":[{"raw_affiliation_string":"The University of Western Australia, Perth, WA, Australia","institution_ids":["https://openalex.org/I177877127"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5137252836","display_name":"Sirui Li","orcid":"https://orcid.org/0000-0002-2504-3790"},"institutions":[{"id":"https://openalex.org/I176790772","display_name":"Murdoch University","ror":"https://ror.org/00r4sry34","country_code":"AU","type":"education","lineage":["https://openalex.org/I176790772"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Sirui Li","raw_affiliation_strings":["Murdoch University, Perth, WA, Australia"],"raw_orcid":"https://orcid.org/0000-0002-2504-3790","affiliations":[{"raw_affiliation_string":"Murdoch University, Perth, WA, Australia","institution_ids":["https://openalex.org/I176790772"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100644814","display_name":"Ying Liu","orcid":"https://orcid.org/0000-0002-8951-2648"},"institutions":[{"id":"https://openalex.org/I4210137199","display_name":"Aerospace Information Research Institute","ror":"https://ror.org/0419fj215","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]},{"id":"https://openalex.org/I4210156404","display_name":"Institute of Information Engineering","ror":"https://ror.org/04r53se39","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210156404"]},{"id":"https://openalex.org/I4210159876","display_name":"Institute of Physics","ror":"https://ror.org/05cvf7v30","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210159876"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yanbing Liu","raw_affiliation_strings":["Institute of Information Engineering, Chinese Academy of Sciences, Beijing, China and University of Chinese Academy of Sciences, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-9653-073X","affiliations":[{"raw_affiliation_string":"Institute of Information Engineering, Chinese Academy of Sciences, Beijing, China and University of Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210156404","https://openalex.org/I4210137199","https://openalex.org/I4210159876"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5133521891","display_name":"Jin B. Hong","orcid":null},"institutions":[{"id":"https://openalex.org/I177877127","display_name":"The University of Western Australia","ror":"https://ror.org/047272k79","country_code":"AU","type":"education","lineage":["https://openalex.org/I177877127"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Jin B. Hong","raw_affiliation_strings":["The University of Western Australia, Perth, WA, Australia"],"raw_orcid":"https://orcid.org/0000-0003-1359-3813","affiliations":[{"raw_affiliation_string":"The University of Western Australia, Perth, WA, Australia","institution_ids":["https://openalex.org/I177877127"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5137286967","display_name":"Wei Liu","orcid":"https://orcid.org/0000-0002-7409-0948"},"institutions":[{"id":"https://openalex.org/I177877127","display_name":"The University of Western Australia","ror":"https://ror.org/047272k79","country_code":"AU","type":"education","lineage":["https://openalex.org/I177877127"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Wei Liu","raw_affiliation_strings":["The University of Western Australia, Perth, WA, Australia"],"raw_orcid":"https://orcid.org/0000-0002-7409-0948","affiliations":[{"raw_affiliation_string":"The University of Western Australia, Perth, WA, Australia","institution_ids":["https://openalex.org/I177877127"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"69","last_page":"72"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11106","display_name":"Data Management and Algorithms","score":0.2628999948501587,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T11106","display_name":"Data Management and Algorithms","score":0.2628999948501587,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T12016","display_name":"Web Data Mining and Analysis","score":0.09799999743700027,"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/T10824","display_name":"Image Retrieval and Classification Techniques","score":0.07940000295639038,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3488999903202057},{"id":"https://openalex.org/keywords/information-extraction","display_name":"Information extraction","score":0.3434000015258789},{"id":"https://openalex.org/keywords/extraction","display_name":"Extraction (chemistry)","score":0.320499986410141},{"id":"https://openalex.org/keywords/feature-extraction","display_name":"Feature extraction","score":0.2897000014781952},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.27720001339912415}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5640000104904175},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5174000263214111},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3488999903202057},{"id":"https://openalex.org/C195807954","wikidata":"https://www.wikidata.org/wiki/Q1662562","display_name":"Information extraction","level":2,"score":0.3434000015258789},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3312999904155731},{"id":"https://openalex.org/C4725764","wikidata":"https://www.wikidata.org/wiki/Q844704","display_name":"Extraction (chemistry)","level":2,"score":0.320499986410141},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.2969000041484833},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.2897000014781952},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.27720001339912415},{"id":"https://openalex.org/C165064840","wikidata":"https://www.wikidata.org/wiki/Q1321061","display_name":"Matching (statistics)","level":2,"score":0.2727999985218048},{"id":"https://openalex.org/C180198813","wikidata":"https://www.wikidata.org/wiki/Q121182","display_name":"Information system","level":2,"score":0.251800000667572}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3774905.3793103","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3774905.3793103","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":"Companion Proceedings of the ACM Web Conference 2026","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.1145/3774905.3793103","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3774905.3793103","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":"Companion Proceedings of the ACM Web Conference 2026","raw_type":"proceedings-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":4,"referenced_works":["https://openalex.org/W2058070641","https://openalex.org/W2574923006","https://openalex.org/W4287888479","https://openalex.org/W4402777266"],"related_works":[],"abstract_inverted_index":{"Extracting":[0],"structured":[1],"knowledge":[2,17],"from":[3],"unstructured":[4,61],"data":[5,67],"still":[6],"faces":[7],"practical":[8],"limitations:":[9],"entity":[10,107,120],"and":[11,24,33,44,51,84,92,95,106,126,132],"event":[12],"extraction":[13,83,121],"pipelines":[14],"remain":[15],"brittle,":[16],"graph":[18],"construction":[19],"requires":[20],"costly":[21],"ontology":[22],"engineering,":[23],"cross-domain":[25],"generalization":[26],"is":[27],"rarely":[28],"production-ready.":[29],"In":[30,110],"contrast,":[31],"space":[32],"time":[34],"provide":[35],"universal":[36],"contextual":[37],"anchors":[38],"that":[39,59],"naturally":[40],"align":[41],"heterogeneous":[42],"information":[43],"benefit":[45],"downstream":[46],"tasks":[47],"such":[48],"as":[49],"retrieval":[50],"reasoning.":[52],"We":[53],"introduce":[54],"STIndex,":[55],"an":[56,97],"end-to-end":[57],"system":[58],"structures":[60],"content":[62],"into":[63],"a":[64,113],"multidimensional":[65],"spatiotemporal":[66,119],"warehouse.":[68],"Users":[69],"define":[70],"domain-specific":[71],"analysis":[72],"dimensions":[73],"with":[74],"configurable":[75],"hierarchies,":[76],"while":[77],"large":[78],"language":[79],"models":[80],"perform":[81],"context-aware":[82],"grounding.":[85],"STIndex":[86,117],"integrates":[87],"document-level":[88],"memory,":[89],"geocoding":[90],"correction,":[91],"quality":[93],"validation,":[94],"offers":[96],"interactive":[98],"analytics":[99],"dashboard":[100],"for":[101],"visualization,":[102],"clustering,":[103],"burst":[104],"detection,":[105],"network":[108],"analysis.":[109],"evaluation":[111],"on":[112],"public":[114],"health":[115],"benchmark,":[116],"improves":[118],"F1":[122],"by":[123],"4.37%":[124],"(GPT-4o-mini)":[125],"3.60%":[127],"(Qwen3-8B).":[128],"A":[129],"live":[130],"demonstration":[131],"open-source":[133],"code":[134],"are":[135],"available":[136],"at":[137],"https://stindex.ai4wa.com/dashboard.":[138]},"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2026-05-29T00:00:00"}