{"id":"https://openalex.org/W2021460833","doi":"https://doi.org/10.1109/igarss.2015.7326061","title":"Optimised data structures for large scale content-based geo-indexing","display_name":"Optimised data structures for large scale content-based geo-indexing","publication_year":2015,"publication_date":"2015-07-01","ids":{"openalex":"https://openalex.org/W2021460833","doi":"https://doi.org/10.1109/igarss.2015.7326061","mag":"2021460833"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2015.7326061","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2015.7326061","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE International Geoscience and Remote Sensing Symposium (IGARSS)","raw_type":"proceedings-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/A5067958728","display_name":"Luigi Mascolo","orcid":"https://orcid.org/0000-0002-1876-3853"},"institutions":[{"id":"https://openalex.org/I2799899383","display_name":"Pirelli (Italy)","ror":"https://ror.org/03eh15043","country_code":"IT","type":"company","lineage":["https://openalex.org/I2799899383"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Luigi Mascolo","raw_affiliation_strings":["Dian s.r.l., Z.I. La Martella, III Traversa G. B. Pirelli s.n, Matera, MT, Italy","Dian s.r.l., Z.I. La Martella, III Traversa G. B. Pirelli s.n. - 75100 Matera (MT), Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dian s.r.l., Z.I. La Martella, III Traversa G. B. Pirelli s.n, Matera, MT, Italy","institution_ids":["https://openalex.org/I2799899383"]},{"raw_affiliation_string":"Dian s.r.l., Z.I. La Martella, III Traversa G. B. Pirelli s.n. - 75100 Matera (MT), Italy","institution_ids":["https://openalex.org/I2799899383"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072443022","display_name":"Marco Quartulli","orcid":"https://orcid.org/0000-0001-5735-2072"},"institutions":[{"id":"https://openalex.org/I4210092551","display_name":"Vicomtech","ror":"https://ror.org/0023sah13","country_code":"ES","type":"facility","lineage":["https://openalex.org/I4210092551"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Marco Quartulli","raw_affiliation_strings":["Vicomtech-IK4., Mikeletegi Pasealekua 57, Donostia\u2014San, Sebasti\u00e1n, Spain","Vicomtech-IK4, Mikeletegi Pasealekua 57, 20009 Donostia-San Sebasti\u00e1n, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Vicomtech-IK4., Mikeletegi Pasealekua 57, Donostia\u2014San, Sebasti\u00e1n, Spain","institution_ids":["https://openalex.org/I4210092551"]},{"raw_affiliation_string":"Vicomtech-IK4, Mikeletegi Pasealekua 57, 20009 Donostia-San Sebasti\u00e1n, Spain","institution_ids":["https://openalex.org/I4210092551"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032552944","display_name":"Giovanni Nico","orcid":"https://orcid.org/0000-0001-7621-5014"},"institutions":[{"id":"https://openalex.org/I197604219","display_name":"National Academies of Sciences, Engineering, and Medicine","ror":"https://ror.org/02eq2w707","country_code":"US","type":"government","lineage":["https://openalex.org/I197604219"]},{"id":"https://openalex.org/I4210106125","display_name":"Istituto per le Applicazioni del Calcolo Mauro Picone","ror":"https://ror.org/00ygy3d85","country_code":"IT","type":"facility","lineage":["https://openalex.org/I4210106125","https://openalex.org/I4210155236"]},{"id":"https://openalex.org/I4210155236","display_name":"National Research Council","ror":"https://ror.org/04zaypm56","country_code":"IT","type":"nonprofit","lineage":["https://openalex.org/I4210155236"]}],"countries":["IT","US"],"is_corresponding":false,"raw_author_name":"Giovanni Nico","raw_affiliation_strings":["Istituto per le Applicazioni del Calcolo, National Research Council, Bari, Italy","Istituto per le Applicazioni del Calcolo, National Research Council, Via Amendola 122, 70126 Bari, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Istituto per le Applicazioni del Calcolo, National Research Council, Bari, Italy","institution_ids":["https://openalex.org/I4210155236","https://openalex.org/I4210106125"]},{"raw_affiliation_string":"Istituto per le Applicazioni del Calcolo, National Research Council, Via Amendola 122, 70126 Bari, Italy","institution_ids":["https://openalex.org/I197604219"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044095745","display_name":"Pietro Guccione","orcid":"https://orcid.org/0000-0002-7126-0040"},"institutions":[{"id":"https://openalex.org/I68618741","display_name":"Polytechnic University of Bari","ror":"https://ror.org/03c44v465","country_code":"IT","type":"education","lineage":["https://openalex.org/I68618741"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Pietro Guccione","raw_affiliation_strings":["Department of Electrical and Information Engineering, Bari, Italy","Department of Electrical and Information Engineering, Polytechnic of Bari, Via E. Orabona 4, 70125 Bari, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Information Engineering, Bari, Italy","institution_ids":[]},{"raw_affiliation_string":"Department of Electrical and Information Engineering, Polytechnic of Bari, Via E. Orabona 4, 70125 Bari, Italy","institution_ids":["https://openalex.org/I68618741"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5041268250","display_name":"Igor G. Olaizola","orcid":"https://orcid.org/0000-0002-9965-2038"},"institutions":[{"id":"https://openalex.org/I4210092551","display_name":"Vicomtech","ror":"https://ror.org/0023sah13","country_code":"ES","type":"facility","lineage":["https://openalex.org/I4210092551"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Igor G. Olaizola","raw_affiliation_strings":["Vicomtech-IK4., Mikeletegi Pasealekua 57, Donostia\u2014San, Sebasti\u00e1n, Spain","Vicomtech-IK4, Mikeletegi Pasealekua 57, 20009 Donostia-San Sebasti\u00e1n, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Vicomtech-IK4., Mikeletegi Pasealekua 57, Donostia\u2014San, Sebasti\u00e1n, Spain","institution_ids":["https://openalex.org/I4210092551"]},{"raw_affiliation_string":"Vicomtech-IK4, Mikeletegi Pasealekua 57, 20009 Donostia-San Sebasti\u00e1n, Spain","institution_ids":["https://openalex.org/I4210092551"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":5,"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":0.07228708,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1488","last_page":"1491"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11106","display_name":"Data Management and Algorithms","score":0.9961000084877014,"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":0.9961000084877014,"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/T10627","display_name":"Advanced Image and Video Retrieval Techniques","score":0.9943000078201294,"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/T10824","display_name":"Image Retrieval and Classification Techniques","score":0.9883999824523926,"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/computer-science","display_name":"Computer science","score":0.8415104150772095},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.7499002814292908},{"id":"https://openalex.org/keywords/metadata","display_name":"Metadata","score":0.7024880051612854},{"id":"https://openalex.org/keywords/spark","display_name":"SPARK (programming language)","score":0.6949142217636108},{"id":"https://openalex.org/keywords/search-engine-indexing","display_name":"Search engine indexing","score":0.6684910655021667},{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.5669623613357544},{"id":"https://openalex.org/keywords/big-data","display_name":"Big data","score":0.5035757422447205},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.49572432041168213},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.43706923723220825},{"id":"https://openalex.org/keywords/scale","display_name":"Scale (ratio)","score":0.43497031927108765},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.41333794593811035},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.2555769085884094},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.1163090169429779}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8415104150772095},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.7499002814292908},{"id":"https://openalex.org/C93518851","wikidata":"https://www.wikidata.org/wiki/Q180160","display_name":"Metadata","level":2,"score":0.7024880051612854},{"id":"https://openalex.org/C2781215313","wikidata":"https://www.wikidata.org/wiki/Q3493345","display_name":"SPARK (programming language)","level":2,"score":0.6949142217636108},{"id":"https://openalex.org/C75165309","wikidata":"https://www.wikidata.org/wiki/Q2258979","display_name":"Search engine indexing","level":2,"score":0.6684910655021667},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.5669623613357544},{"id":"https://openalex.org/C75684735","wikidata":"https://www.wikidata.org/wiki/Q858810","display_name":"Big data","level":2,"score":0.5035757422447205},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.49572432041168213},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.43706923723220825},{"id":"https://openalex.org/C2778755073","wikidata":"https://www.wikidata.org/wiki/Q10858537","display_name":"Scale (ratio)","level":2,"score":0.43497031927108765},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.41333794593811035},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.2555769085884094},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.1163090169429779},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2015.7326061","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2015.7326061","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE International Geoscience and Remote Sensing Symposium (IGARSS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W1973640743","https://openalex.org/W1989505330","https://openalex.org/W2024668293","https://openalex.org/W2035880148","https://openalex.org/W2050675978","https://openalex.org/W2078985447","https://openalex.org/W2149140633","https://openalex.org/W2173213060","https://openalex.org/W2189465200"],"related_works":["https://openalex.org/W2766461310","https://openalex.org/W4247566972","https://openalex.org/W3202731209","https://openalex.org/W4240326769","https://openalex.org/W3211874991","https://openalex.org/W3012518171","https://openalex.org/W4241605045","https://openalex.org/W4308507533","https://openalex.org/W2407107767","https://openalex.org/W2901787049"],"abstract_inverted_index":{"Image":[0],"mining":[1],"consists":[2],"of":[3,16,27,49,62,71,81,107,114,131,166,171,184],"the":[4,43,46,52,60,105,160,164,167,172,181],"procedures":[5],"that":[6],"allow":[7],"to":[8,23,35,39,58],"access,":[9],"search":[10],"and":[11,32,45,128,136,170],"explore":[12,59],"very":[13],"large":[14],"databases":[15],"data.":[17],"Institutions":[18],"like":[19,69],"spatial":[20],"agencies":[21],"have":[22],"manage":[24],"huge":[25],"archives":[26],"Earth":[28],"Observation":[29],"(EO)":[30],"images":[31,63],"need":[33,57],"solutions":[34],"make":[36],"data":[37,149],"available":[38],"users":[40,55],"from":[41,150],"both":[42],"algorithmic":[44],"infrastructural":[47],"point":[48],"views.":[50],"On":[51],"other":[53],"side,":[54],"would":[56],"variety":[61],"not":[64],"just":[65],"based":[66,124],"on":[67,112,125,147],"metadata,":[68],"time":[70],"acquisition":[72],"or":[73],"sensor":[74],"parameters,":[75],"but":[76],"also":[77,179],"by":[78,153],"getting":[79],"knowledge":[80],"their":[82],"content.":[83],"In":[84,98,162],"this":[85],"contribution,":[86],"we":[87,100],"investigate":[88],"methodologies":[89],"for":[90,104],"content-based":[91],"EO":[92],"image":[93],"retrieval":[94],"via":[95],"example-based":[96],"queries.":[97],"particular,":[99,163],"present":[101],"a":[102,115,126,132],"procedure":[103,122],"indexing":[106],"large-scale":[108],"unstructured":[109],"archives,":[110,152],"built":[111],"top":[113],"cluster":[116,168],"analytics":[117],"framework,":[118],"Apache":[119],"Spark.":[120],"The":[121,177],"is":[123],"hierarchical":[127],"scalable":[129],"implementation":[130],"space":[133],"partitioning":[134],"algorithm":[135],"allows":[137],"O(log":[138],"n)":[139],"response":[140],"query":[141],"times.":[142],"Scalability":[143],"analyses":[144],"are":[145,175],"conducted":[146],"polarimetric":[148],"NASA/JPL":[151],"using":[154,185],"virtualized":[155],"computing":[156],"resources":[157],"distributed":[158],"over":[159],"Internet.":[161],"effects":[165],"size":[169],"hardware":[173],"scale-up":[174],"demonstrated.":[176],"results":[178],"reveal":[180],"applicative":[182],"potential":[183],"on-demand":[186],"cloud-based":[187],"resources.":[188]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}