{"id":"https://openalex.org/W7113271995","doi":null,"title":"NOVA IMS Chatbot: Developing a RAG Chatbot for NOVA Information Management School","display_name":"NOVA IMS Chatbot: Developing a RAG Chatbot for NOVA Information Management School","publication_year":2025,"publication_date":"2025-11-06","ids":{"openalex":"https://openalex.org/W7113271995"},"language":"en","primary_location":{"id":"pmh:oai:run.unl.pt:10362/191033","doi":null,"is_oa":true,"landing_page_url":"http://hdl.handle.net/10362/191033","pdf_url":"https://run.unl.pt/bitstreams/456ad57b-2367-47e0-92d1-59bd427ca9ad/download","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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"master thesis"},"volume":null,"type":"dissertation","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://run.unl.pt/bitstreams/456ad57b-2367-47e0-92d1-59bd427ca9ad/download","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Fazendeiro, Rodrigo Augusto","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Fazendeiro, Rodrigo Augusto","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"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/T10028","display_name":"Topic Modeling","score":0.6654999852180481,"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/T10028","display_name":"Topic Modeling","score":0.6654999852180481,"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/T10286","display_name":"Information Retrieval and Search Behavior","score":0.24300000071525574,"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/T12128","display_name":"AI in Service Interactions","score":0.023499999195337296,"subfield":{"id":"https://openalex.org/subfields/1406","display_name":"Marketing"},"field":{"id":"https://openalex.org/fields/14","display_name":"Business, Management and Accounting"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/retrieval-augmented-generation","display_name":"retrieval-augmented generation","score":0.890999972820282},{"id":"https://openalex.org/keywords/chatbots","display_name":"chatbots","score":0.6679999828338623},{"id":"https://openalex.org/keywords/university-information-management","display_name":"university information management","score":0.5830000042915344},{"id":"https://openalex.org/keywords/student-inquiry","display_name":"student inquiry","score":0.800000011920929},{"id":"https://openalex.org/keywords/hybrid-search","display_name":"hybrid retrieval","score":0.7870000004768372},{"id":"https://openalex.org/keywords/re-ranking","display_name":"re-ranking","score":0.8259999752044678},{"id":"https://openalex.org/keywords/prompt-engineering","display_name":"prompt engineering","score":0.6349999904632568},{"id":"https://openalex.org/keywords/large-language-models","display_name":"large language models","score":0.7260000109672546},{"id":"https://openalex.org/keywords/llama","display_name":"llamas","score":0.5630000233650208},{"id":"https://openalex.org/keywords/hallucinations","display_name":"hallucinations","score":0.40299999713897705},{"id":"https://openalex.org/keywords/resource-limited-settings","display_name":"resource-limited settings","score":0.35600000619888306}],"concepts":[{"id":"https://openalex.org/C199364081","wikidata":"https://www.wikidata.org/wiki/Q183158","display_name":"Nova (rocket)","level":2,"score":0.7675999999046326},{"id":"https://openalex.org/C2779041454","wikidata":"https://www.wikidata.org/wiki/Q870780","display_name":"Chatbot","level":2,"score":0.5216000080108643},{"id":"https://openalex.org/C128487930","wikidata":"https://www.wikidata.org/wiki/Q579488","display_name":"Information management","level":2,"score":0.4424999952316284},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.42489999532699585},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.39309999346733093},{"id":"https://openalex.org/C1668388","wikidata":"https://www.wikidata.org/wiki/Q1149776","display_name":"Data management","level":2,"score":0.3862000107765198},{"id":"https://openalex.org/C161191863","wikidata":"https://www.wikidata.org/wiki/Q199655","display_name":"Library science","level":1,"score":0.3723999857902527},{"id":"https://openalex.org/C95831776","wikidata":"https://www.wikidata.org/wiki/Q16387","display_name":"Information science","level":2,"score":0.35040000081062317},{"id":"https://openalex.org/C29848774","wikidata":"https://www.wikidata.org/wiki/Q61905","display_name":"Management information systems","level":3,"score":0.34150001406669617},{"id":"https://openalex.org/C180198813","wikidata":"https://www.wikidata.org/wiki/Q121182","display_name":"Information system","level":2,"score":0.3343000113964081},{"id":"https://openalex.org/C18762648","wikidata":"https://www.wikidata.org/wiki/Q42213","display_name":"Work (physics)","level":2,"score":0.2921000123023987},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.29170000553131104},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.27880001068115234},{"id":"https://openalex.org/C121017731","wikidata":"https://www.wikidata.org/wiki/Q11661","display_name":"Information technology","level":2,"score":0.27570000290870667}],"mesh":[],"locations_count":1,"locations":[{"id":"pmh:oai:run.unl.pt:10362/191033","doi":null,"is_oa":true,"landing_page_url":"http://hdl.handle.net/10362/191033","pdf_url":"https://run.unl.pt/bitstreams/456ad57b-2367-47e0-92d1-59bd427ca9ad/download","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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"master thesis"}],"best_oa_location":{"id":"pmh:oai:run.unl.pt:10362/191033","doi":null,"is_oa":true,"landing_page_url":"http://hdl.handle.net/10362/191033","pdf_url":"https://run.unl.pt/bitstreams/456ad57b-2367-47e0-92d1-59bd427ca9ad/download","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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"master thesis"},"sustainable_development_goals":[{"score":0.6164000034332275,"id":"https://metadata.un.org/sdg/4","display_name":"Quality education"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7113271995.pdf","grobid_xml":"https://content.openalex.org/works/W7113271995.grobid-xml"},"referenced_works_count":58,"referenced_works":["https://openalex.org/W1646777016","https://openalex.org/W2001771035","https://openalex.org/W2064675550","https://openalex.org/W2069870183","https://openalex.org/W2101746535","https://openalex.org/W2148972377","https://openalex.org/W2165612380","https://openalex.org/W2626778328","https://openalex.org/W2772103329","https://openalex.org/W2903228562","https://openalex.org/W2936695845","https://openalex.org/W2963341956","https://openalex.org/W2982399380","https://openalex.org/W3001279689","https://openalex.org/W3015883388","https://openalex.org/W3027879771","https://openalex.org/W3030163527","https://openalex.org/W3103891289","https://openalex.org/W3162626524","https://openalex.org/W3215476720","https://openalex.org/W4205201623","https://openalex.org/W4224308101","https://openalex.org/W4284991798","https://openalex.org/W4312310333","https://openalex.org/W4322718191","https://openalex.org/W4362515116","https://openalex.org/W4380789072","https://openalex.org/W4384648625","https://openalex.org/W4386065803","https://openalex.org/W4386576685","https://openalex.org/W4387561528","https://openalex.org/W4388717143","https://openalex.org/W4388760092","https://openalex.org/W4389984066","https://openalex.org/W4390962494","https://openalex.org/W4391421388","https://openalex.org/W4391670794","https://openalex.org/W4392904187","https://openalex.org/W4392933327","https://openalex.org/W4393147129","https://openalex.org/W4394630908","https://openalex.org/W4400034525","https://openalex.org/W4400113992","https://openalex.org/W4400601280","https://openalex.org/W4401241231","https://openalex.org/W4401306886","https://openalex.org/W4401857375","https://openalex.org/W4403182022","https://openalex.org/W4403420914","https://openalex.org/W4403646833","https://openalex.org/W4404134991","https://openalex.org/W4404342118","https://openalex.org/W4405432878","https://openalex.org/W4405954909","https://openalex.org/W4410492435","https://openalex.org/W6929226513","https://openalex.org/W7118085507","https://openalex.org/W7133231369"],"related_works":["https://openalex.org/W7002541147","https://openalex.org/W7112030148","https://openalex.org/W7057994623","https://openalex.org/W7111637613","https://openalex.org/W2589258858","https://openalex.org/W7113042024","https://openalex.org/W7052029004","https://openalex.org/W7045873417","https://openalex.org/W7020352616","https://openalex.org/W7028141821"],"abstract_inverted_index":{"Universities":[0],"face":[1],"growing":[2],"volumes":[3],"of":[4,199],"repetitive":[5],"student":[6,31],"inquiries":[7],"related":[8],"to":[9],"courses,":[10],"admissions,":[11],"and":[12,29,44,55,90,95,108,115,134,144,214],"procedures.":[13],"While":[14],"human":[15,135],"support":[16],"remains":[17],"essential":[18],"for":[19,182],"complex":[20],"cases,":[21],"scalable":[22],"chatbot":[23,186],"systems":[24,168],"can":[25,169],"streamline":[26],"routine":[27],"communication":[28],"improve":[30],"experience.":[32],"Although":[33],"Large":[34],"Language":[35],"Models":[36],"have":[37],"advanced":[38],"conversational":[39],"agents,":[40],"their":[41,48],"static":[42],"knowledge":[43],"hallucination":[45],"risks":[46],"limit":[47],"reliability":[49],"in":[50,73,187],"domains":[51],"requiring":[52],"accurate,":[53],"up-to-date,":[54],"context":[56],"specific":[57,167],"information,":[58],"such":[59],"as":[60],"academic":[61],"environments.":[62],"Retrieval":[63,80],"Augmented":[64,81],"Generation":[65,82],"offers":[66],"a":[67,179],"promising":[68],"solution":[69],"by":[70],"grounding":[71],"responses":[72],"relevant":[74],"documents.":[75],"This":[76],"study":[77],"systematically":[78],"tests":[79],"configurations,":[83],"including":[84],"sparse":[85],"(TF-IDF,":[86],"BM25),":[87],"dense":[88],"(BAAI/bge)":[89],"hybrid":[91,140],"retrieval":[92,124,141,211],"methods,":[93],"reranking,":[94],"metadata":[96,145],"incorporation.":[97],"We":[98],"evaluated":[99],"generation":[100,155,161],"quality":[101],"using":[102],"lightweight":[103],"LLaMA":[104],"3.2":[105],"models":[106,158,201],"(1B":[107],"3B),":[109],"tested":[110],"across":[111],"baseline,":[112],"na\u00efve":[113],"RAG,":[114],"zero-shot":[116],"prompt":[117,151],"engineered":[118],"variants.":[119],"Performance":[120],"was":[121],"measured":[122],"through":[123],"metrics":[125],"(Precision@k,":[126],"Recall@k,":[127],"MRR@k),":[128],"semantic":[129],"similarity":[130],"(BERTScore,":[131],"SAS,":[132],"SemScore),":[133],"evaluations.":[136],"Results":[137],"show":[138],"that":[139,164],"with":[142,172,190],"reranking":[143],"yields":[146],"the":[147,197,206],"highest":[148],"precision,":[149],"while":[150],"optimization":[152],"significantly":[153],"enhances":[154],"quality.":[156],"Lightweight":[157],"demonstrated":[159],"strong":[160],"performance,":[162],"suggesting":[163],"effective":[165],"domain":[166],"be":[170],"achieved":[171],"smaller":[173,200],"computational":[174,192],"requirements.":[175],"The":[176],"findings":[177],"provide":[178],"practical":[180],"framework":[181],"developing":[183],"an":[184],"efficient":[185],"educational":[188],"institutions":[189],"limited":[191],"resources.":[193],"Deeper":[194],"investigation":[195],"into":[196,205],"effectiveness":[198],"warrants":[202],"further":[203],"exploration":[204],"relationship":[207],"between":[208],"model":[209],"architecture,":[210],"system":[212],"design,":[213],"performance":[215],"outcomes.":[216]},"counts_by_year":[],"updated_date":"2026-11-08T12:12:28.789561","created_date":"2025-12-10T00:00:00"}