{"id":"https://openalex.org/W2793857614","doi":"https://doi.org/10.1587/transinf.2017fcp0010","title":"Approximate Frequent Pattern Discovery in Compressed Space","display_name":"Approximate Frequent Pattern Discovery in Compressed Space","publication_year":2018,"publication_date":"2018-01-01","ids":{"openalex":"https://openalex.org/W2793857614","doi":"https://doi.org/10.1587/transinf.2017fcp0010","mag":"2793857614"},"language":"en","primary_location":{"id":"doi:10.1587/transinf.2017fcp0010","is_oa":true,"landing_page_url":"https://doi.org/10.1587/transinf.2017fcp0010","pdf_url":"https://www.jstage.jst.go.jp/article/transinf/E101.D/3/E101.D_2017FCP0010/_pdf","source":{"id":"https://openalex.org/S2486202937","display_name":"IEICE Transactions on Information and Systems","issn_l":"0916-8532","issn":["0916-8532","1745-1361"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Transactions on Information and Systems","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://www.jstage.jst.go.jp/article/transinf/E101.D/3/E101.D_2017FCP0010/_pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5063218974","display_name":"Shouhei Fukunaga","orcid":null},"institutions":[{"id":"https://openalex.org/I207014233","display_name":"Kyushu Institute of Technology","ror":"https://ror.org/02278tr80","country_code":"JP","type":"education","lineage":["https://openalex.org/I207014233"]},{"id":"https://openalex.org/I4210143983","display_name":"Kyushu Art Institute of Technology","ror":"https://ror.org/03t4t2e74","country_code":"JP","type":"education","lineage":["https://openalex.org/I4210143983"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shouhei FUKUNAGA","raw_affiliation_strings":["Department of Artificial Intelligence, Kyushu Institute of Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Artificial Intelligence, Kyushu Institute of Technology","institution_ids":["https://openalex.org/I4210143983","https://openalex.org/I207014233"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5013257860","display_name":"Yoshimasa Takabatake","orcid":"https://orcid.org/0000-0002-4566-8974"},"institutions":[{"id":"https://openalex.org/I207014233","display_name":"Kyushu Institute of Technology","ror":"https://ror.org/02278tr80","country_code":"JP","type":"education","lineage":["https://openalex.org/I207014233"]},{"id":"https://openalex.org/I4210143983","display_name":"Kyushu Art Institute of Technology","ror":"https://ror.org/03t4t2e74","country_code":"JP","type":"education","lineage":["https://openalex.org/I4210143983"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yoshimasa TAKABATAKE","raw_affiliation_strings":["Department of Artificial Intelligence, Kyushu Institute of Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Artificial Intelligence, Kyushu Institute of Technology","institution_ids":["https://openalex.org/I4210143983","https://openalex.org/I207014233"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074343416","display_name":"I Tomohiro","orcid":null},"institutions":[{"id":"https://openalex.org/I207014233","display_name":"Kyushu Institute of Technology","ror":"https://ror.org/02278tr80","country_code":"JP","type":"education","lineage":["https://openalex.org/I207014233"]},{"id":"https://openalex.org/I4210143983","display_name":"Kyushu Art Institute of Technology","ror":"https://ror.org/03t4t2e74","country_code":"JP","type":"education","lineage":["https://openalex.org/I4210143983"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Tomohiro I","raw_affiliation_strings":["Department of Artificial Intelligence, Kyushu Institute of Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Artificial Intelligence, Kyushu Institute of Technology","institution_ids":["https://openalex.org/I4210143983","https://openalex.org/I207014233"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5070469480","display_name":"Hiroshi Sakamoto","orcid":"https://orcid.org/0000-0002-3470-9187"},"institutions":[{"id":"https://openalex.org/I207014233","display_name":"Kyushu Institute of Technology","ror":"https://ror.org/02278tr80","country_code":"JP","type":"education","lineage":["https://openalex.org/I207014233"]},{"id":"https://openalex.org/I4210143983","display_name":"Kyushu Art Institute of Technology","ror":"https://ror.org/03t4t2e74","country_code":"JP","type":"education","lineage":["https://openalex.org/I4210143983"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hiroshi SAKAMOTO","raw_affiliation_strings":["Department of Artificial Intelligence, Kyushu Institute of Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Artificial Intelligence, Kyushu Institute of Technology","institution_ids":["https://openalex.org/I4210143983","https://openalex.org/I207014233"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.03040529,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"E101.D","issue":"3","first_page":"593","last_page":"601"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11269","display_name":"Algorithms and Data Compression","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T11269","display_name":"Algorithms and Data Compression","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T12326","display_name":"Network Packet Processing and Optimization","score":0.9753000140190125,"subfield":{"id":"https://openalex.org/subfields/1708","display_name":"Hardware and Architecture"},"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":0.9714000225067139,"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":0.8383172750473022},{"id":"https://openalex.org/keywords/space","display_name":"Space (punctuation)","score":0.5194175243377686},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3551205098628998},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.05879339575767517}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8383172750473022},{"id":"https://openalex.org/C2778572836","wikidata":"https://www.wikidata.org/wiki/Q380933","display_name":"Space (punctuation)","level":2,"score":0.5194175243377686},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3551205098628998},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.05879339575767517}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1587/transinf.2017fcp0010","is_oa":true,"landing_page_url":"https://doi.org/10.1587/transinf.2017fcp0010","pdf_url":"https://www.jstage.jst.go.jp/article/transinf/E101.D/3/E101.D_2017FCP0010/_pdf","source":{"id":"https://openalex.org/S2486202937","display_name":"IEICE Transactions on Information and Systems","issn_l":"0916-8532","issn":["0916-8532","1745-1361"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Transactions on Information and Systems","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1587/transinf.2017fcp0010","is_oa":true,"landing_page_url":"https://doi.org/10.1587/transinf.2017fcp0010","pdf_url":"https://www.jstage.jst.go.jp/article/transinf/E101.D/3/E101.D_2017FCP0010/_pdf","source":{"id":"https://openalex.org/S2486202937","display_name":"IEICE Transactions on Information and Systems","issn_l":"0916-8532","issn":["0916-8532","1745-1361"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Transactions on Information and Systems","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1089124432","display_name":"Development of a compressed information processing infrastructure for converting stream data into knowledge","funder_award_id":"17H01791","funder_id":"https://openalex.org/F4320334764","funder_display_name":"Japan Society for the Promotion of Science"},{"id":"https://openalex.org/G3608655982","display_name":"On the study of recompressing strings","funder_award_id":"16K16009","funder_id":"https://openalex.org/F4320334764","funder_display_name":"Japan Society for the Promotion of Science"},{"id":"https://openalex.org/G5389955879","display_name":null,"funder_award_id":"JPMJCR1402","funder_id":"https://openalex.org/F4320338075","funder_display_name":"Core Research for Evolutional Science and Technology"},{"id":"https://openalex.org/G6718509927","display_name":null,"funder_award_id":"CREST","funder_id":"https://openalex.org/F4320334764","funder_display_name":"Japan Society for the Promotion of Science"}],"funders":[{"id":"https://openalex.org/F4320334764","display_name":"Japan Society for the Promotion of Science","ror":"https://ror.org/00hhkn466"},{"id":"https://openalex.org/F4320338075","display_name":"Core Research for Evolutional Science and Technology","ror":"https://ror.org/00097mb19"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2793857614.pdf","grobid_xml":"https://content.openalex.org/works/W2793857614.grobid-xml"},"referenced_works_count":33,"referenced_works":["https://openalex.org/W122564427","https://openalex.org/W181668213","https://openalex.org/W327921858","https://openalex.org/W784986531","https://openalex.org/W1492127831","https://openalex.org/W1560680651","https://openalex.org/W1973608346","https://openalex.org/W1974033543","https://openalex.org/W1982055477","https://openalex.org/W1990555634","https://openalex.org/W1994016500","https://openalex.org/W2044014345","https://openalex.org/W2111044311","https://openalex.org/W2113004376","https://openalex.org/W2115990355","https://openalex.org/W2130433404","https://openalex.org/W2132809979","https://openalex.org/W2134696992","https://openalex.org/W2147935317","https://openalex.org/W2149243190","https://openalex.org/W2278993071","https://openalex.org/W2281094450","https://openalex.org/W2290293586","https://openalex.org/W2406547600","https://openalex.org/W2489658791","https://openalex.org/W2507792287","https://openalex.org/W2602771387","https://openalex.org/W2950070631","https://openalex.org/W2950100967","https://openalex.org/W2950232476","https://openalex.org/W2962988915","https://openalex.org/W3150565720","https://openalex.org/W4254779780"],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W2358668433","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W2382290278","https://openalex.org/W2478288626","https://openalex.org/W4391913857","https://openalex.org/W2350741829","https://openalex.org/W2530322880"],"abstract_inverted_index":{"A":[0],"grammar":[1,7,19,94,124],"compression":[2,20,95,125],"is":[3,22,35,56,106,203,231,240],"a":[4,11,18,25,37,52,93,123,135,157,166,194,219,234],"restricted":[5],"context-free":[6],"(CFG)":[8],"that":[9,109,131,162,196,239,251],"derives":[10,163],"single":[12],"string":[13,64,98,127],"deterministically.":[14],"The":[15,225],"goal":[16],"of":[17,87,138,154,169,190,208,228],"algorithm":[21,74,105,222,254,269],"to":[23,75,232,266],"develop":[24],"smaller":[26,241],"CFG":[27],"by":[28,218],"finding":[29],"and":[30,61,260],"removing":[31],"duplicate":[32],"patterns,":[33,60],"which":[34],"simply":[36],"frequent":[38,43,177,187,258],"pattern":[39,44,178,188],"discovery":[40,179],"process.":[41],"Any":[42],"can":[45,110],"be":[46,66,92,122],"obtained":[47,217],"in":[48,270],"linear":[49],"time;":[50],"however,":[51],"huge":[53],"working":[54],"space":[55],"required":[57],"for":[58,96,126,145,165,185,210],"longer":[59],"the":[62,97,151,176,205,213,243,252,267,271],"entire":[63],"must":[65],"preloaded":[67],"into":[68],"memory.":[69],"We":[70,129],"propose":[71],"an":[72,84,103],"online":[73,104],"address":[76],"this":[77,101,229],"problem":[78,180],"approximately":[79,181],"within":[80,140,182,199],"compressed":[81],"space.":[82],"For":[83],"input":[85],"sequence":[86],"symbols,":[88],"a1,a2,...,":[89],"let":[90,120],"Gi":[91],"a1a2\u2026ai.":[99],"In":[100],"study,":[102],"considered":[107],"one":[108],"compute":[111],"Gi+1":[112],"from":[113],"(Gi,ai+1)":[114],"without":[115],"explicitly":[116],"decompressing":[117],"Gi.":[118],"Here,":[119,201],"G":[121,155,174,209],"S.":[128,211],"say":[130],"variable":[132,195],"X":[133,161],"approximates":[134,197],"substring":[136],"P":[137,189,198],"S":[139],"approximation":[141,206,215],"ratio":[142,207,216],"\u03b4":[143,183,202],"iff":[144,184],"any":[146,186],"interval":[147],"[i,j]":[148,170],"with":[149,160],"P=S[i,j],":[150],"parse":[152],"tree":[153],"has":[156],"node":[158],"labeled":[159],"S[l,r]":[164],"subinterval":[167],"[l,r]":[168],"satisfying":[171],"|[l,r]|\u2265\u03b4|[i,j]|.":[172],"Then,":[173],"solves":[175],"S,":[191],"there":[192],"exists":[193],"\u03b4.":[200],"called":[204],"Previously,":[212],"best":[214],"polynomial":[220],"time":[221],"was":[223],"\u03a9(1/lg2|P|).":[224],"main":[226],"contribution":[227],"work":[230],"present":[233],"new":[235],"lower":[236],"bound":[237,245],"\u03a9(1/<*|S|lg|P|)":[238],"than":[242],"previous":[244,272],"when":[246],"lg*|S|<lg|P|.":[247],"Experimental":[248],"results":[249],"demonstrate":[250],"proposed":[253],"extracts":[255],"sufficiently":[256],"long":[257],"patterns":[259],"significantly":[261],"reduces":[262],"memory":[263],"consumption":[264],"compared":[265],"offline":[268],"work.":[273]},"counts_by_year":[],"updated_date":"2026-06-22T08:00:12.763002","created_date":"2025-10-10T00:00:00"}
