{"id":"https://openalex.org/W2907448160","doi":"https://doi.org/10.1145/3289600.3290962","title":"Fast Dictionary-Based Compression for Inverted Indexes","display_name":"Fast Dictionary-Based Compression for Inverted Indexes","publication_year":2019,"publication_date":"2019-01-30","ids":{"openalex":"https://openalex.org/W2907448160","doi":"https://doi.org/10.1145/3289600.3290962","mag":"2907448160"},"language":"en","primary_location":{"id":"doi:10.1145/3289600.3290962","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3289600.3290962","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Twelfth ACM International Conference on Web Search and Data Mining","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://openportal.isti.cnr.it/doc?id=people______::760dfbb7d517a32ada8678eebe8d8ad1","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5010860687","display_name":"Giulio Ermanno Pibiri","orcid":"https://orcid.org/0000-0003-0724-7092"},"institutions":[{"id":"https://openalex.org/I122991210","display_name":"Istituto di Scienza e Tecnologie dell'Informazione \"Alessandro Faedo\"","ror":"https://ror.org/05kacka20","country_code":"IT","type":"facility","lineage":["https://openalex.org/I122991210","https://openalex.org/I4210155236"]},{"id":"https://openalex.org/I108290504","display_name":"University of Pisa","ror":"https://ror.org/03ad39j10","country_code":"IT","type":"education","lineage":["https://openalex.org/I108290504"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"Giulio Ermanno Pibiri","raw_affiliation_strings":["University of Pisa &amp; ISTI-CNR, Pisa, Italy"],"affiliations":[{"raw_affiliation_string":"University of Pisa &amp; ISTI-CNR, Pisa, Italy","institution_ids":["https://openalex.org/I122991210","https://openalex.org/I108290504"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086980890","display_name":"Matthias Petri","orcid":"https://orcid.org/0000-0002-0054-9429"},"institutions":[{"id":"https://openalex.org/I165779595","display_name":"University of Melbourne","ror":"https://ror.org/01ej9dk98","country_code":"AU","type":"education","lineage":["https://openalex.org/I165779595"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Matthias Petri","raw_affiliation_strings":["The University of Melbourne, Melbourne, Australia"],"affiliations":[{"raw_affiliation_string":"The University of Melbourne, Melbourne, Australia","institution_ids":["https://openalex.org/I165779595"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5081861848","display_name":"Alistair Moffat","orcid":"https://orcid.org/0000-0002-6638-0232"},"institutions":[{"id":"https://openalex.org/I165779595","display_name":"University of Melbourne","ror":"https://ror.org/01ej9dk98","country_code":"AU","type":"education","lineage":["https://openalex.org/I165779595"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Alistair Moffat","raw_affiliation_strings":["The University of Melbourne, Melbourne, Australia"],"affiliations":[{"raw_affiliation_string":"The University of Melbourne, Melbourne, Australia","institution_ids":["https://openalex.org/I165779595"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5010860687"],"corresponding_institution_ids":["https://openalex.org/I108290504","https://openalex.org/I122991210"],"apc_list":null,"apc_paid":null,"fwci":2.1674,"has_fulltext":false,"cited_by_count":23,"citation_normalized_percentile":{"value":0.90417551,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"6","last_page":"14"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11269","display_name":"Algorithms and Data Compression","score":1.0,"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":1.0,"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/T11321","display_name":"Error Correcting Code Techniques","score":0.9927999973297119,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T11181","display_name":"Advanced Data Storage Technologies","score":0.9793999791145325,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/inverted-index","display_name":"Inverted index","score":0.7546643018722534},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7509428262710571},{"id":"https://openalex.org/keywords/compression","display_name":"Compression (physics)","score":0.7089386582374573},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.6643710732460022},{"id":"https://openalex.org/keywords/data-compression","display_name":"Data compression","score":0.6524609327316284},{"id":"https://openalex.org/keywords/compression-ratio","display_name":"Compression ratio","score":0.4963105320930481},{"id":"https://openalex.org/keywords/index","display_name":"Index (typography)","score":0.4796607792377472},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.42513763904571533},{"id":"https://openalex.org/keywords/search-engine-indexing","display_name":"Search engine indexing","score":0.31026116013526917},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.24410319328308105},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.06259268522262573}],"concepts":[{"id":"https://openalex.org/C130590232","wikidata":"https://www.wikidata.org/wiki/Q1671754","display_name":"Inverted index","level":3,"score":0.7546643018722534},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7509428262710571},{"id":"https://openalex.org/C180016635","wikidata":"https://www.wikidata.org/wiki/Q2712821","display_name":"Compression (physics)","level":2,"score":0.7089386582374573},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.6643710732460022},{"id":"https://openalex.org/C78548338","wikidata":"https://www.wikidata.org/wiki/Q2493","display_name":"Data compression","level":2,"score":0.6524609327316284},{"id":"https://openalex.org/C25797200","wikidata":"https://www.wikidata.org/wiki/Q828137","display_name":"Compression ratio","level":3,"score":0.4963105320930481},{"id":"https://openalex.org/C2777382242","wikidata":"https://www.wikidata.org/wiki/Q6017816","display_name":"Index (typography)","level":2,"score":0.4796607792377472},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.42513763904571533},{"id":"https://openalex.org/C75165309","wikidata":"https://www.wikidata.org/wiki/Q2258979","display_name":"Search engine indexing","level":2,"score":0.31026116013526917},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.24410319328308105},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.06259268522262573},{"id":"https://openalex.org/C511840579","wikidata":"https://www.wikidata.org/wiki/Q12757","display_name":"Internal combustion engine","level":2,"score":0.0},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0},{"id":"https://openalex.org/C171146098","wikidata":"https://www.wikidata.org/wiki/Q124192","display_name":"Automotive engineering","level":1,"score":0.0},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1145/3289600.3290962","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3289600.3290962","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Twelfth ACM International Conference on Web Search and Data Mining","raw_type":"proceedings-article"},{"id":"pmh:oai:dnet:people______::760dfbb7d517a32ada8678eebe8d8ad1","is_oa":true,"landing_page_url":"https://openportal.isti.cnr.it/doc?id=people______::760dfbb7d517a32ada8678eebe8d8ad1","pdf_url":null,"source":{"id":"https://openalex.org/S7407055261","display_name":"ISTI Open Portal","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"International Conference on Web Search and Data Mining, pp. 6\u201314, 11/02/2019,15/02/2019","raw_type":"Conference article"},{"id":"pmh:oai:iris.unive.it:10278/5009267","is_oa":true,"landing_page_url":"https://hdl.handle.net/10278/5009267","pdf_url":null,"source":{"id":"https://openalex.org/S4306402336","display_name":"ARCA (Universit\u00e0 Ca' Foscari Venezia)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I149461666","host_organization_name":"Ca' Foscari University of Venice","host_organization_lineage":["https://openalex.org/I149461666"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":{"id":"pmh:oai:dnet:people______::760dfbb7d517a32ada8678eebe8d8ad1","is_oa":true,"landing_page_url":"https://openportal.isti.cnr.it/doc?id=people______::760dfbb7d517a32ada8678eebe8d8ad1","pdf_url":null,"source":{"id":"https://openalex.org/S7407055261","display_name":"ISTI Open Portal","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"International Conference on Web Search and Data Mining, pp. 6\u201314, 11/02/2019,15/02/2019","raw_type":"Conference article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/17","score":0.4399999976158142,"display_name":"Partnerships for the goals"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320320972","display_name":"RMIT University","ror":"https://ror.org/04ttjf776"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":52,"referenced_works":["https://openalex.org/W191231183","https://openalex.org/W1494592156","https://openalex.org/W1516527356","https://openalex.org/W1546170802","https://openalex.org/W1559631118","https://openalex.org/W1593203859","https://openalex.org/W1791987072","https://openalex.org/W1797632674","https://openalex.org/W1984614894","https://openalex.org/W1985136582","https://openalex.org/W1996930216","https://openalex.org/W2015255214","https://openalex.org/W2022126655","https://openalex.org/W2022292926","https://openalex.org/W2027002571","https://openalex.org/W2032866865","https://openalex.org/W2036145579","https://openalex.org/W2075576453","https://openalex.org/W2076047621","https://openalex.org/W2076471773","https://openalex.org/W2084965869","https://openalex.org/W2087361130","https://openalex.org/W2089455813","https://openalex.org/W2115824344","https://openalex.org/W2119885577","https://openalex.org/W2134761228","https://openalex.org/W2138662031","https://openalex.org/W2140453381","https://openalex.org/W2151249511","https://openalex.org/W2152437528","https://openalex.org/W2160484851","https://openalex.org/W2164715417","https://openalex.org/W2292193262","https://openalex.org/W2337832663","https://openalex.org/W2341380858","https://openalex.org/W2585049925","https://openalex.org/W2602771387","https://openalex.org/W2604113568","https://openalex.org/W2612354156","https://openalex.org/W2612391007","https://openalex.org/W2621280964","https://openalex.org/W2758508602","https://openalex.org/W2767328299","https://openalex.org/W2784168307","https://openalex.org/W2792921236","https://openalex.org/W2798354112","https://openalex.org/W2919226058","https://openalex.org/W2994086030","https://openalex.org/W3101346938","https://openalex.org/W3102704970","https://openalex.org/W6632872720","https://openalex.org/W6638388896"],"related_works":["https://openalex.org/W2058987221","https://openalex.org/W2145657320","https://openalex.org/W2102493899","https://openalex.org/W4205266739","https://openalex.org/W1576730743","https://openalex.org/W2388346754","https://openalex.org/W4282568653","https://openalex.org/W2399928914","https://openalex.org/W2123678380","https://openalex.org/W2110517301"],"abstract_inverted_index":{"Dictionary-based":[0],"compression":[1,13,30,64,67,96],"schemes":[2],"provide":[3],"fast":[4],"decoding":[5],"operation,":[6],"typically":[7],"at":[8],"the":[9,29,36,79,105],"expense":[10],"of":[11,31,39,53,93],"reduced":[12],"effectiveness":[14,65,110],"compared":[15],"to":[16,28],"statistical":[17],"or":[18],"probability-based":[19],"approaches.":[20],"In":[21],"this":[22],"work,":[23],"we":[24],"apply":[25],"dictionary-based":[26],"techniques":[27],"inverted":[32,81],"lists,":[33],"showing":[34],"that":[35,41,57,104],"high":[37],"degree":[38],"regularity":[40],"these":[42],"integer":[43],"sequences":[44],"exhibit":[45],"is":[46],"a":[47,90],"good":[48],"match":[49],"for":[50,84],"certain":[51],"types":[52],"dictionary":[54],"methods,":[55],"and":[56,66,89,109],"an":[58],"important":[59],"new":[60],"trade-off":[61],"balance":[62],"between":[63,107],"efficiency":[68,108],"can":[69,111],"be":[70,112],"achieved.":[71],"Our":[72],"observations":[73],"are":[74],"supported":[75],"by":[76],"experiments":[77,102],"using":[78],"document-level":[80],"index":[82,95],"data":[83],"two":[85],"large":[86],"text":[87],"collections,":[88],"wide":[91],"range":[92],"other":[94],"implementations":[97],"as":[98],"reference":[99],"points.":[100],"Those":[101],"demonstrate":[103],"gap":[106],"substantially":[113],"narrowed.":[114]},"counts_by_year":[{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":6},{"year":2019,"cited_by_count":3},{"year":2012,"cited_by_count":1}],"updated_date":"2026-04-24T08:23:43.765630","created_date":"2019-01-11T00:00:00"}
