{"id":"https://openalex.org/W1584968907","doi":null,"title":"Optimizing Ranking Calculation in Web Search Engines: a Case Study","display_name":"Optimizing Ranking Calculation in Web Search Engines: a Case Study","publication_year":2004,"publication_date":"2004-01-01","ids":{"openalex":"https://openalex.org/W1584968907","mag":"1584968907"},"language":"en","primary_location":{"id":"pmh:oai:CiteSeerX.psu:10.1.1.126.852","doi":null,"is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.126.852","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.lbd.dcc.ufmg.br:8080/colecoes/sbbd/2004/paper102.pdf","raw_type":"text"},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://hdl.handle.net/10451/14326","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5055058678","display_name":"Miguel Angelo Costa","orcid":"https://orcid.org/0000-0002-0362-1713","observed_orcids":["https://orcid.org/0000-0002-0362-1713","https://orcid.org/0000-0003-0860-7002"]},"institutions":[{"id":"https://openalex.org/I141596103","display_name":"University of Lisbon","ror":"https://ror.org/01c27hj86","country_code":"PT","type":"education","lineage":["https://openalex.org/I141596103"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Miguel Costa","raw_affiliation_strings":["University of Lisbon"],"raw_orcid":"https://orcid.org/0000-0002-0362-1713","affiliations":[{"raw_affiliation_string":"University of Lisbon","institution_ids":["https://openalex.org/I141596103"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5043057704","display_name":"M\u00e1rio J. Silva","orcid":"https://orcid.org/0000-0002-5452-6185","observed_orcids":["https://orcid.org/0000-0002-5452-6185"]},"institutions":[{"id":"https://openalex.org/I141596103","display_name":"University of Lisbon","ror":"https://ror.org/01c27hj86","country_code":"PT","type":"education","lineage":["https://openalex.org/I141596103"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"M\u00e1rio J. Silva","raw_affiliation_strings":["University of Lisbon"],"raw_orcid":"https://orcid.org/0000-0002-5452-6185","affiliations":[{"raw_affiliation_string":"University of Lisbon","institution_ids":["https://openalex.org/I141596103"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I141596103"],"apc_list":null,"apc_paid":null,"fwci":0.5801,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.77407843,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":null,"issue":null,"first_page":"298","last_page":"308"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10286","display_name":"Information Retrieval and Search Behavior","score":0.9994999766349792,"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"}},"topics":[{"id":"https://openalex.org/T10286","display_name":"Information Retrieval and Search Behavior","score":0.9994999766349792,"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/T11269","display_name":"Algorithms and Data Compression","score":0.00039999998989515007,"subfield":{"id":"https://openalex.org/subfields/2614","display_name":"Theoretical Computer Science"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12016","display_name":"Web Data Mining and Analysis","score":9.999999747378752e-05,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/search-engines","display_name":"search engines","score":0.9509999752044678},{"id":"https://openalex.org/keywords/pruning-algorithm","display_name":"pruning algorithm","score":0.6179999709129333},{"id":"https://openalex.org/keywords/relevance-ranking","display_name":"relevance ranking","score":0.4860000014305115}],"concepts":[{"id":"https://openalex.org/C189430467","wikidata":"https://www.wikidata.org/wiki/Q7293293","display_name":"Ranking (information retrieval)","level":2,"score":0.8163836598396301},{"id":"https://openalex.org/C97854310","wikidata":"https://www.wikidata.org/wiki/Q19541","display_name":"Search engine","level":2,"score":0.8100250959396362},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.78314208984375},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.782925009727478},{"id":"https://openalex.org/C108010975","wikidata":"https://www.wikidata.org/wiki/Q500094","display_name":"Pruning","level":2,"score":0.6480847597122192},{"id":"https://openalex.org/C158154518","wikidata":"https://www.wikidata.org/wiki/Q7310970","display_name":"Relevance (law)","level":2,"score":0.6309609413146973},{"id":"https://openalex.org/C164120249","wikidata":"https://www.wikidata.org/wiki/Q995982","display_name":"Web search query","level":3,"score":0.5862839221954346},{"id":"https://openalex.org/C13565553","wikidata":"https://www.wikidata.org/wiki/Q804206","display_name":"Spamdexing","level":5,"score":0.5841710567474365},{"id":"https://openalex.org/C13743948","wikidata":"https://www.wikidata.org/wiki/Q45842","display_name":"Web crawler","level":2,"score":0.5319982171058655},{"id":"https://openalex.org/C521815418","wikidata":"https://www.wikidata.org/wiki/Q4182287","display_name":"Web search engine","level":4,"score":0.5295848250389099},{"id":"https://openalex.org/C21959979","wikidata":"https://www.wikidata.org/wiki/Q36774","display_name":"Web page","level":2,"score":0.504482626914978},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.49021321535110474},{"id":"https://openalex.org/C86037889","wikidata":"https://www.wikidata.org/wiki/Q4330127","display_name":"Learning to rank","level":3,"score":0.46110162138938904},{"id":"https://openalex.org/C2777382242","wikidata":"https://www.wikidata.org/wiki/Q6017816","display_name":"Index (typography)","level":2,"score":0.44220787286758423},{"id":"https://openalex.org/C173979980","wikidata":"https://www.wikidata.org/wiki/Q114106","display_name":"Metasearch engine","level":4,"score":0.4415302574634552},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3863903284072876},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":5,"locations":[{"id":"pmh:oai:CiteSeerX.psu:10.1.1.126.852","doi":null,"is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.126.852","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.lbd.dcc.ufmg.br:8080/colecoes/sbbd/2004/paper102.pdf","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.368.4264","doi":null,"is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.368.4264","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://xldb.fc.ul.pt/xldb/publications/sbbd2004.pdf","raw_type":"text"},{"id":"pmh:oai:repositorio.ulisboa.pt:10451/14326","doi":null,"is_oa":false,"landing_page_url":"http://hdl.handle.net/10451/14326","pdf_url":null,"source":{"id":"https://openalex.org/S4306402433","display_name":"Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"journal article"},{"id":"pmh:oai:repositorio.ulisboa.pt:10455/5957","doi":null,"is_oa":true,"landing_page_url":"http://hdl.handle.net/10451/14326","pdf_url":null,"source":{"id":"https://openalex.org/S4306402433","display_name":"Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"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":null,"raw_type":"journal article"},{"id":"mag:1584968907","doi":null,"is_oa":false,"landing_page_url":"https://dblp.uni-trier.de/db/conf/sbbd/sbbd2004.html#CostaS04","pdf_url":null,"source":{"id":"https://openalex.org/S4306417857","display_name":"Brazilian Symposium on Databases","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Brazilian Symposium on Databases","raw_type":null}],"best_oa_location":{"id":"pmh:oai:repositorio.ulisboa.pt:10455/5957","doi":null,"is_oa":true,"landing_page_url":"http://hdl.handle.net/10451/14326","pdf_url":null,"source":{"id":"https://openalex.org/S4306402433","display_name":"Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"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":null,"raw_type":"journal article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W135168798","https://openalex.org/W1487826741","https://openalex.org/W1562405179","https://openalex.org/W1751403574","https://openalex.org/W1828972360","https://openalex.org/W1846765585","https://openalex.org/W1854214752","https://openalex.org/W1956559956","https://openalex.org/W1989468977","https://openalex.org/W2006997130","https://openalex.org/W2066500746","https://openalex.org/W2066636486","https://openalex.org/W2066667100","https://openalex.org/W2086174602","https://openalex.org/W2116504754","https://openalex.org/W2124808978","https://openalex.org/W2134206624","https://openalex.org/W2141649964","https://openalex.org/W2141897300","https://openalex.org/W2142510125","https://openalex.org/W2143257555","https://openalex.org/W2154724067","https://openalex.org/W2160484851","https://openalex.org/W2160595137","https://openalex.org/W2164520297","https://openalex.org/W2170582301","https://openalex.org/W2889395214","https://openalex.org/W4245383745"],"related_works":["https://openalex.org/W7100948335","https://openalex.org/W1580569814","https://openalex.org/W2164150947","https://openalex.org/W2182971975","https://openalex.org/W2551424750","https://openalex.org/W1972097872","https://openalex.org/W2337162139","https://openalex.org/W7100740184","https://openalex.org/W2791912383","https://openalex.org/W4400970847"],"abstract_inverted_index":{"Web":[0,14,89,123],"search":[1,90,96],"engines":[2],"compete":[3],"to":[4,21,29,41,71,77,92,104],"offer":[5],"the":[6,32,43,49,72,95,109],"fastest":[7],"responses":[8],"with":[9],"highest":[10],"relevance.":[11],"However,":[12],"as":[13],"collections":[15],"grow,":[16],"it":[17,38],"becomes":[18],"more":[19],"difficult":[20],"achieve":[22],"this":[23],"purpose.":[24],"As":[25],"most":[26],"users":[27],"tend":[28],"see":[30],"only":[31],"first":[33],"two":[34],"pages":[35],"of":[36,45,48,51,65,97,111],"results,":[37],"is":[39],"unnecessary":[40],"compute":[42],"ranking":[44,115],"each":[46],"one":[47],"millions":[50],"documents":[52,112],"that":[53,61,67],"usually":[54],"match":[55],"any":[56],"given":[57],"query.":[58],"Only":[59],"those":[60],"have":[62,76,101],"a":[63,118,122],"level":[64],"importance":[66],"makes":[68],"them":[69],"candidates":[70],"top":[73],"ranked":[74],"results":[75],"be":[78],"considered.":[79],"This":[80],"work":[81],"presents":[82],"and":[83],"compares":[84],"algorithms":[85],"tested":[86],"in":[87],"our":[88],"engine":[91],"speed":[93],"up":[94],"these":[98],"candidates.":[99],"We":[100],"been":[102],"able":[103],"reduce":[105],"by":[106,127],"93":[107],"%":[108],"number":[110],"considered":[113],"for":[114],"calculation,":[116],"using":[117],"pruning":[119],"algorithm":[120],"over":[121],"collection":[124],"index":[125],"sorted":[126],"URL":[128],"weights.":[129],"1.":[130]},"counts_by_year":[{"year":2014,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}