{"id":"https://openalex.org/W3175572087","doi":null,"title":"DUTh at TREC 2020 Conversational Assistance Track.","display_name":"DUTh at TREC 2020 Conversational Assistance Track.","publication_year":2020,"publication_date":"2020-01-01","ids":{"openalex":"https://openalex.org/W3175572087","mag":"3175572087"},"language":"en","primary_location":{"id":"pmh:oai:boa.unimib.it:10281/484419","doi":null,"is_oa":true,"landing_page_url":"https://hdl.handle.net/10281/484419","pdf_url":null,"source":{"id":"https://openalex.org/S4306401259","display_name":"BOA (University of Milano-Bicocca)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I66752286","host_organization_name":"University of Milano-Bicocca","host_organization_lineage":["https://openalex.org/I66752286"],"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"},"volume":null,"type":"conference-paper","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://hdl.handle.net/10281/484419","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5003388980","display_name":"Michalis Fotiadis","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Michalis Fotiadis","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048103560","display_name":"Georgios Peikos","orcid":"https://orcid.org/0000-0002-2862-8209","observed_orcids":["https://orcid.org/0000-0002-2862-8209"]},"institutions":[{"id":"https://openalex.org/I147962203","display_name":"Democritus University of Thrace","ror":"https://ror.org/03bfqnx40","country_code":"GR","type":"education","lineage":["https://openalex.org/I147962203"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Georgios Peikos","raw_affiliation_strings":["Democritus University of Thrace, Komotini, Greece"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Democritus University of Thrace, Komotini, Greece","institution_ids":["https://openalex.org/I147962203"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016041013","display_name":"Symeon Symeonidis","orcid":"https://orcid.org/0000-0002-3259-614X","observed_orcids":["https://orcid.org/0000-0002-3259-614X","https://orcid.org/0009-0005-6342-3363"]},"institutions":[{"id":"https://openalex.org/I147962203","display_name":"Democritus University of Thrace","ror":"https://ror.org/03bfqnx40","country_code":"GR","type":"education","lineage":["https://openalex.org/I147962203"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Symeon Symeonidis","raw_affiliation_strings":["Democritus University of Thrace, Komotini, Greece"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Democritus University of Thrace, Komotini, Greece","institution_ids":["https://openalex.org/I147962203"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5058891144","display_name":"Avi Arampatzis","orcid":"https://orcid.org/0000-0003-2415-4592","observed_orcids":["https://orcid.org/0000-0003-2415-4592"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Avi Arampatzis","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0003-2415-4592","affiliations":[]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"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":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10286","display_name":"Information Retrieval and Search Behavior","score":0.9901999831199646,"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":0.9901999831199646,"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/T12031","display_name":"Speech and dialogue systems","score":0.0032999999821186066,"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/T10181","display_name":"Natural Language Processing Techniques","score":0.0020000000949949026,"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/query-reformulation","display_name":"query rewriting","score":0.7979999780654907},{"id":"https://openalex.org/keywords/coreference-resolution","display_name":"coreference resolution","score":0.8730000257492065},{"id":"https://openalex.org/keywords/conversational-context","display_name":"conversational context","score":0.8149999976158142},{"id":"https://openalex.org/keywords/keyword-extraction","display_name":"keyword extraction","score":0.9419999718666077},{"id":"https://openalex.org/keywords/part-of-speech-tagging","display_name":"part-of-speech tagging","score":0.972000002861023},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"information retrieval","score":0.492000013589859}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7123732566833496},{"id":"https://openalex.org/C89992363","wikidata":"https://www.wikidata.org/wiki/Q5961558","display_name":"Track (disk drive)","level":2,"score":0.6587371826171875},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.4644702970981598},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4600211977958679},{"id":"https://openalex.org/C204321447","wikidata":"https://www.wikidata.org/wiki/Q30642","display_name":"Natural language processing","level":1,"score":0.4189009666442871},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.35226964950561523},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.3408561944961548},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.08427703380584717}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:boa.unimib.it:10281/484419","doi":null,"is_oa":true,"landing_page_url":"https://hdl.handle.net/10281/484419","pdf_url":null,"source":{"id":"https://openalex.org/S4306401259","display_name":"BOA (University of Milano-Bicocca)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I66752286","host_organization_name":"University of Milano-Bicocca","host_organization_lineage":["https://openalex.org/I66752286"],"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"},{"id":"mag:3175572087","doi":null,"is_oa":false,"landing_page_url":"https://trec.nist.gov/pubs/trec29/papers/DUTH.C.pdf","pdf_url":null,"source":{"id":"https://openalex.org/S4306421043","display_name":"Text REtrieval Conference","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":"Text REtrieval Conference","raw_type":null}],"best_oa_location":{"id":"pmh:oai:boa.unimib.it:10281/484419","doi":null,"is_oa":true,"landing_page_url":"https://hdl.handle.net/10281/484419","pdf_url":null,"source":{"id":"https://openalex.org/S4306401259","display_name":"BOA (University of Milano-Bicocca)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I66752286","host_organization_name":"University of Milano-Bicocca","host_organization_lineage":["https://openalex.org/I66752286"],"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"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":6,"referenced_works":["https://openalex.org/W2610748790","https://openalex.org/W2738152205","https://openalex.org/W2793978524","https://openalex.org/W2909544278","https://openalex.org/W3008490399","https://openalex.org/W3013039544"],"related_works":["https://openalex.org/W3013823815","https://openalex.org/W3174294314","https://openalex.org/W3013538582","https://openalex.org/W3175789860","https://openalex.org/W3175539342","https://openalex.org/W3174822879","https://openalex.org/W3013714529","https://openalex.org/W88530190","https://openalex.org/W3013631210","https://openalex.org/W3175477036"],"abstract_inverted_index":{"This":[0],"paper":[1],"describes":[2],"the":[3,7,21,35,49,61,64,69,79,82,95,106,109,119],"DUTh's":[4],"participation":[5],"in":[6],"TREC":[8],"2020":[9],"Conversational":[10],"Assistance":[11],"Track":[12],"(CAsT)":[13],"track.":[14],"Our":[15],"approach":[16,33],"incorporates":[17],"linguistic":[18,29],"analysis":[19],"of":[20,31,43,98],"available":[22],"queries":[23],"along":[24],"with":[25],"query":[26,42,71,76,121],"reformulation.":[27],"The":[28],"perspective":[30],"our":[32],"implements":[34],"AllenNLP":[36],"co-reference":[37],"resolution":[38],"model":[39,51],"to":[40,101],"every":[41],"each":[44],"conversational":[45,87,96],"session.":[46],"In":[47],"addition,":[48],"SpaCy":[50],"was":[52,122],"used":[53,123],"for":[54,124],"part-of-speech":[55],"tagging":[56],"and":[57,63,85],"keyword":[58],"extraction":[59],"from":[60,81,89,108],"current":[62,83,110],"previous":[65,90,99],"turns.":[66,91],"We":[67,92],"reformulate":[68],"initial":[70],"into":[72],"a":[73],"weighted":[74],"new":[75,120],"by":[77],"keeping":[78],"keywords":[80,107],"turn":[84,111],"adding":[86,114],"context":[88,97],"argue":[93],"that":[94],"turns":[100],"have":[102],"less":[103],"impact":[104],"than":[105],"while":[112],"still":[113],"some":[115],"informational":[116],"value.":[117],"Finally,":[118],"retrieval":[125],"using":[126],"Indri.":[127]},"counts_by_year":[],"updated_date":"2026-11-08T12:12:28.789561","created_date":"2021-07-05T00:00:00"}
