{"id":"https://openalex.org/W2079239703","doi":"https://doi.org/10.1145/1774088.1774307","title":"Mining preorder relation between knowledge units from text","display_name":"Mining preorder relation between knowledge units from text","publication_year":2010,"publication_date":"2010-03-22","ids":{"openalex":"https://openalex.org/W2079239703","doi":"https://doi.org/10.1145/1774088.1774307","mag":"2079239703"},"language":"en","primary_location":{"id":"doi:10.1145/1774088.1774307","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1774088.1774307","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2010 ACM Symposium on Applied Computing","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/A5100361891","display_name":"Jun Liu","orcid":"https://orcid.org/0000-0002-6004-0675"},"institutions":[{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Jun Liu","raw_affiliation_strings":["Xi'an Jiaotong University, Xi'an, P.R. China","Xi-an Jiaotong University, Xi-an, P. R. China"],"affiliations":[{"raw_affiliation_string":"Xi'an Jiaotong University, Xi'an, P.R. China","institution_ids":["https://openalex.org/I87445476"]},{"raw_affiliation_string":"Xi-an Jiaotong University, Xi-an, P. R. China","institution_ids":["https://openalex.org/I87445476"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003684662","display_name":"Lu Jiang","orcid":"https://orcid.org/0000-0003-4529-8114"},"institutions":[{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lu Jiang","raw_affiliation_strings":["Xi'an Jiaotong University, Xi'an, P.R. China","Xi-an Jiaotong University, Xi-an, P. R. China"],"affiliations":[{"raw_affiliation_string":"Xi'an Jiaotong University, Xi'an, P.R. China","institution_ids":["https://openalex.org/I87445476"]},{"raw_affiliation_string":"Xi-an Jiaotong University, Xi-an, P. R. China","institution_ids":["https://openalex.org/I87445476"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101973484","display_name":"Zhaohui Wu","orcid":"https://orcid.org/0000-0002-4319-3645"},"institutions":[{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhaohui Wu","raw_affiliation_strings":["Xi'an Jiaotong University, Xi'an, P.R. China","Xi-an Jiaotong University, Xi-an, P. R. China"],"affiliations":[{"raw_affiliation_string":"Xi'an Jiaotong University, Xi'an, P.R. China","institution_ids":["https://openalex.org/I87445476"]},{"raw_affiliation_string":"Xi-an Jiaotong University, Xi-an, P. R. China","institution_ids":["https://openalex.org/I87445476"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041083459","display_name":"Qinghua Zheng","orcid":"https://orcid.org/0000-0002-8436-4754"},"institutions":[{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qinghua Zheng","raw_affiliation_strings":["Xi'an Jiaotong University, Xi'an, P.R. China","Xi-an Jiaotong University, Xi-an, P. R. China"],"affiliations":[{"raw_affiliation_string":"Xi'an Jiaotong University, Xi'an, P.R. China","institution_ids":["https://openalex.org/I87445476"]},{"raw_affiliation_string":"Xi-an Jiaotong University, Xi-an, P. R. China","institution_ids":["https://openalex.org/I87445476"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5033193917","display_name":"Yanan Qian","orcid":null},"institutions":[{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yanan Qian","raw_affiliation_strings":["Xi'an Jiaotong University, Xi'an, P.R. China","Xi-an Jiaotong University, Xi-an, P. R. China"],"affiliations":[{"raw_affiliation_string":"Xi'an Jiaotong University, Xi'an, P.R. China","institution_ids":["https://openalex.org/I87445476"]},{"raw_affiliation_string":"Xi-an Jiaotong University, Xi-an, P. R. China","institution_ids":["https://openalex.org/I87445476"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5100361891"],"corresponding_institution_ids":["https://openalex.org/I87445476"],"apc_list":null,"apc_paid":null,"fwci":1.3965,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.85105676,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"1047","last_page":"1053"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10181","display_name":"Natural Language Processing Techniques","score":0.9970999956130981,"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/T10181","display_name":"Natural Language Processing Techniques","score":0.9970999956130981,"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/T10215","display_name":"Semantic Web and Ontologies","score":0.9970999956130981,"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/T10028","display_name":"Topic Modeling","score":0.9911999702453613,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/preorder","display_name":"Preorder","score":0.998629629611969},{"id":"https://openalex.org/keywords/relation","display_name":"Relation (database)","score":0.7766093611717224},{"id":"https://openalex.org/keywords/locality","display_name":"Locality","score":0.7034296989440918},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6701368689537048},{"id":"https://openalex.org/keywords/binary-relation","display_name":"Binary relation","score":0.5624663829803467},{"id":"https://openalex.org/keywords/domain","display_name":"Domain (mathematical analysis)","score":0.47249117493629456},{"id":"https://openalex.org/keywords/precondition","display_name":"Precondition","score":0.44865673780441284},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3338942527770996},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2889353632926941},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.280011922121048},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.19461405277252197},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.07159748673439026}],"concepts":[{"id":"https://openalex.org/C2333172","wikidata":"https://www.wikidata.org/wiki/Q1425985","display_name":"Preorder","level":2,"score":0.998629629611969},{"id":"https://openalex.org/C25343380","wikidata":"https://www.wikidata.org/wiki/Q277521","display_name":"Relation (database)","level":2,"score":0.7766093611717224},{"id":"https://openalex.org/C2779808786","wikidata":"https://www.wikidata.org/wiki/Q6664603","display_name":"Locality","level":2,"score":0.7034296989440918},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6701368689537048},{"id":"https://openalex.org/C65180967","wikidata":"https://www.wikidata.org/wiki/Q130901","display_name":"Binary relation","level":2,"score":0.5624663829803467},{"id":"https://openalex.org/C36503486","wikidata":"https://www.wikidata.org/wiki/Q11235244","display_name":"Domain (mathematical analysis)","level":2,"score":0.47249117493629456},{"id":"https://openalex.org/C192465680","wikidata":"https://www.wikidata.org/wiki/Q1413450","display_name":"Precondition","level":2,"score":0.44865673780441284},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3338942527770996},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2889353632926941},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.280011922121048},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.19461405277252197},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.07159748673439026},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/1774088.1774307","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1774088.1774307","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2010 ACM Symposium on Applied Computing","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.602.4401","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.602.4401","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.cs.cmu.edu/~lujiang/camera_ready_papers/ACM_SAC_2009.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Quality Education","id":"https://metadata.un.org/sdg/4","score":0.6499999761581421}],"awards":[{"id":"https://openalex.org/G2229232486","display_name":null,"funder_award_id":"6.08E+23","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6268074790","display_name":null,"funder_award_id":"2008AA01Z131","funder_id":"https://openalex.org/F4320321540","funder_display_name":"Ministry of Science and Technology of the People's Republic of China"},{"id":"https://openalex.org/G6427344770","display_name":null,"funder_award_id":"NECT-08-0433","funder_id":"https://openalex.org/F4320334924","funder_display_name":"Program for New Century Excellent Talents in University"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321540","display_name":"Ministry of Science and Technology of the People's Republic of China","ror":"https://ror.org/027s68j25"},{"id":"https://openalex.org/F4320334924","display_name":"Program for New Century Excellent Talents in University","ror":"https://ror.org/01mv9t934"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W77146693","https://openalex.org/W1493454437","https://openalex.org/W1518356615","https://openalex.org/W1588510915","https://openalex.org/W2087637898","https://openalex.org/W2132045160","https://openalex.org/W2152211274","https://openalex.org/W2158983038","https://openalex.org/W2517698508","https://openalex.org/W2531563875","https://openalex.org/W2930957955","https://openalex.org/W2999729612","https://openalex.org/W6726302745"],"related_works":["https://openalex.org/W2012407715","https://openalex.org/W906924629","https://openalex.org/W2030580634","https://openalex.org/W3047694654","https://openalex.org/W2380225810","https://openalex.org/W2027768296","https://openalex.org/W2041488837","https://openalex.org/W90607469","https://openalex.org/W2340348564","https://openalex.org/W2314658975"],"abstract_inverted_index":{"Preorder":[0],"relation":[1,25,54,74],"between":[2,26,75,89,118],"Knowledge":[3],"Units":[4],"(KU)":[5],"is":[6,69],"the":[7,20,36,50,56,87,96,109,115,130,135,140,145],"precondition":[8],"for":[9,71],"navigation":[10],"learning.":[11],"Although":[12],"possible":[13],"solutions,":[14],"existing":[15],"link":[16,149],"mining":[17,23,72],"methods":[18],"lack":[19],"ability":[21],"of":[22,38,47,52,59,99,111,148],"preorder":[24,53,73,112,116,136],"knowledge":[27,48,76],"units":[28,77],"which":[29,81],"are":[30,92,105,120],"linearly":[31],"arranged":[32],"in":[33,83],"text.":[34],"Through":[35],"analysis":[37],"sample":[39],"data,":[40],"we":[41],"discovered":[42],"and":[43,55,138],"studied":[44],"two":[45,65],"characteristics":[46],"units:":[49],"locality":[51,110],"distribution":[57,97],"asymmetry":[58,98],"domain":[60,100],"terms.":[61,101],"Based":[62],"on":[63],"these":[64],"characteristics,":[66],"a":[67],"method":[68,131],"presented":[70],"from":[78],"text":[79,90],"documents,":[80],"proceeds":[82],"three":[84],"stages.":[85],"Firstly,":[86],"associations":[88],"documents":[91],"established":[93],"according":[94,107],"to":[95,108],"Secondly,":[102],"candidate":[103],"KU-pairs":[104,119],"generated":[106],"relation.":[113],"Finally,":[114],"relations":[117],"identified":[121],"by":[122,144],"using":[123],"classification":[124],"methods.":[125],"The":[126],"experimental":[127],"results":[128],"show":[129],"can":[132],"efficiently":[133],"extract":[134],"relation,":[137],"reduce":[139],"computational":[141],"complexity":[142],"caused":[143],"quadratic":[146],"problem":[147],"mining.":[150]},"counts_by_year":[{"year":2014,"cited_by_count":1}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}
