Research
The LAMA-WeST lab conducts research at the intersection of natural language processing, semantic web technologies, and machine learning, with a focus on large language models and knowledge graphs.
Highlighted
Reducing hallucinations in language model-based sparql query generation using post-generation memory retrieval
EACL 2026 (Findings)
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arxiv:2502.13369
GeoCoder - Solving Geometry Problems by Generating Modular Code through Vision-Language Models
NAACL 2025 (Findings): https://arxiv.org/abs/2410.13510
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doi:10.18653/v1/2025.findings-naacl.410
All
2026
Reducing hallucinations in language model-based sparql query generation using post-generation memory retrieval
EACL 2026 (Findings)
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arxiv:2502.13369
FRASE: Frame-based Structured Representations for Generalizable SPARQL Query Generation
The Fifteenth biennial Language Resources and Evaluation Conference (LREC) 2026
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arxiv:2503.22144
Using mCODE as a basis for an Ontology for Cancer Patient Digital Twins
Scientific Days RSN, Université Laval
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url:https://kildealab.com/news/odettedigitaltwins-2026/
LLMs Can't Play Hangman: On the Necessity of a Private Working Memory for Language Agents
arXiv
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arxiv:2601.06973
2025
GeoCoder - Solving Geometry Problems by Generating Modular Code through Vision-Language Models
NAACL 2025 (Findings): https://arxiv.org/abs/2410.13510
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doi:10.18653/v1/2025.findings-naacl.410
Enhancing Frame Detection with Retrieval-Augmented Generation
5th International Conference on NLP & Data Mining (NLDM 2025)
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arxiv:2502.12210
Combining Domain and Alignment Vectors Provides Better Knowledge-Safety Trade-offs in LLMs
63rd Annual Meeting of the Association for Computational Linguistics (ACL 2025)
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doi:10.18653/v1/2025.acl-short.22
What is the Best Process Model Representation? A Comparative Analysis for Process Modeling with Large Language Models
9th International Workshop on Artificial Intelligence for Business Process Management (AI4BPM) - BPM 2025
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arxiv:2507.11356
ReWiSe, Relation-Wise Self-consistency for LLM Probing (Winner of the competition)
Knowledge Base Construction from Pre-trained Language Models Challenge, 24th International Semantic Web Conference (ISWC 2025)
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url:https://www.semanticscholar.org/paper/ReWiSe%3A-Relation-Wise-Self-consistency-for-LLM-Albert-Roulhac-Zouaq/d141d423894f59513be2c83a7cfb84db8a499ddb
2024
MVP: Minimal Viable Phrase for Long Text Understanding
The 2024 Joint International Conference on Computational Linguistics, Language Resources and Evaluation
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url:https://aclanthology.org/2024.lrec-main.1049/
TagDebias: Entity and Concept Tagging for Social Bias Mitigation in Pretrained Language Models
2024 Annual Conference of the North American Chapter of the Association for Computational Linguistics (Findings)
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doi:10.18653/v1/2024.findings-naacl.101
An Exploration of IFLA LRM for Literature Data Representation
Journal on Computing and Cultural Heritage, ACM
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doi:10.1145/3687486
Contextual Embeddings and Graph Convolutional Networks for Concept Prerequisite Learning
The 39th ACM/SIGAPP Symposium On Applied Computing (ACM SAC 2024): Artificial Intelligence for Education
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doi:10.1145/3605098.3636062
A deep-dive into the tradeoffs of preference alignment with PEFT
Annual Meeting of the Association for Computational Linguistics (ACL) 2024
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doi:10.18653/v1/2024.acl-long.311
A Comprehensive Evaluation of Neural SPARQL Query Generation from Natural Language Questions
IEEE Access 2024
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doi:10.1109/ACCESS.2024.3453215
Ontology-Constrained Generation of Domain-Specific Clinical Summaries
24th International Conference on Knowledge Engineering and Knowledge Management (EKAW) 2024
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doi:10.1007/978-3-031-77792-9_23
Combining Domain and Alignment Vectors to Achieve Better Knowledge-Safety Trade-offs in LLMs
NeurIPS - Adaptive Foundation Models: Evolving AI for Personalized and Efficient Learning AFM 2024
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arxiv:2411.06824
2023
Comparing Heuristic Rules and Masked Language Models for Entity Alignment in the Literature Domain
Journal on Computing and Cultural Heritage
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doi:10.1145/3606699
SORBET: a Siamese Network for Ontology Embeddings using a Distance-based Regression Loss and BERT (Best paper award nomination)
The 22nd International Semantic Web Conference (ISWC)
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doi:10.1007/978-3-031-47240-4_30
Assessing the Generalization Capabilities of Neural Machine Translation Models for SPARQL Query Generation
The 22nd International Semantic Web Conference (ISWC)
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doi:10.1007/978-3-031-47240-4_26
SORBETMatcher results for OAEI 2023 (Top system in several tracks)
The 18th International Workshop on Ontology Matching
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url:https://www.semanticscholar.org/paper/SORBETmatcher-results-for-OAEI-2023-Gosselin-Zouaq/ceffb7006d51ba3d35fde939f7d77f072fe7149f
2022
Learning to Rank with BERT for Argument Quality Evaluation
The 35th International FLAIRS Conference, 35. https://doi.org/10.32473/flairs.v35i.130643
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doi:10.32473/flairs.v35i.130643
Local Structure Matters Most: Perturbation Study in NLU
Findings of the Association for Computational Linguistics: ACL-IJCNLP 2022, pages 3712-3731, Association for Computational Linguistics
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10.18653/v1/2022.findings-acl.293
Local Structure Matters Most in Most Languages
AACL 2022
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arxiv:2211.05025
Detecting Languages Unintelligible to Multilingual Models through Local Structure Probes
EMNLP 2022 (Findings)
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arxiv:2211.05015
SEBMatcher Results for OAEI 2022
OAEI @ISWC 2022
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url:https://dblp.org/rec/conf/semweb/GosselinZ22.html
A Copy Mechanism for Handling Out-of-Vocabulary Elements in SPARQL Neural Machine Translation
AACL 2022
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doi:10.18653/v1/2022.findings-aacl.22
2021
Demystifying Neural Language Models' Insensitivity to Word-Order
arXiv preprint arXiv:2107.13955v1
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arxiv:2107.13955v1
Masked Language Model Entity Matching for Cultural Heritage Data
Semantic Web and Ontology Design for Cultural Heritage(SWODCH 2021), Vol. 2949,CEUR-WS
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url:https://publications.polymtl.ca/49906/
Integrating Heterogeneous Data About Quebec Literature into an IFLA LRM Knowledge Base.
International Conference on Asian Digital Libraries (pp. 373-391). Springer, Cham
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doi:10.1007/978-3-030-91669-5_29
MLMLM: Link Prediction with Mean Likelihood Masked Language Model
Findings of the Association for Computational Linguistics: ACL-IJCNLP 2021, pages 4321–4331, Association for Computational Linguistics
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doi:10.18653/v1/2021.findings-acl.378
Taxonomy Extraction Using Knowledge Graph Embeddings and Hierarchical Clustering (Best Paper Award)
36th Annual ACM Symposium on Applied Computing(836–844), ACM
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doi:10.1145/3412841.3441959
2020
A Dataset of Learnersourced Explanations from an Online Peer Instruction Environment
13th International Conference on Educational Data Mining, EDM 2020,pp. 350-355
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url:https://publications.polymtl.ca/56835/
Using BERT and XLNET for the Automatic Short Answer Grading Task
12th International Conference on Computer Supported Education CSEDU, 58-67
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url:https://www.academia.edu/106490387/Using_BERT_and_XLNET_for_the_Automatic_Short_Answer_Grading_Task
Ontology matching using convolutional neural networks
Proceedings of the 12th language resources and evaluation conference, 5648–5653, ACL
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url:https://aclanthology.org/2020.lrec-1.693/
What is the schema of your knowledge graph?: leveraging knowledge graph embeddings and clustering for expressive taxonomy learning (Invited)
SBD '20: Proceedings of The International Workshop on Semantic Big Data. Association for Computing Machinery, New York, NY, USA, Article 6, 1–6. https://doi.org/10.1145/3391274.3393637
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doi:10.1145/3391274.3393637
Extraction of a Knowledge Graph from French Cultural Heritage Documents.
TPDL 2020, ADBIS 2020. Communications in Computer and Information Science, vol 1260. Springer, Cham.
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doi:10.1007/978-3-030-55814-7_2
Learnersourcing Quality Assessment of Explanations for Peer Instruction.
15th European Conference on Technology Enhanced Learning EC-TEL 2020. Lecture Notes in Computer Science, vol 12315. Springer, Cham.
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doi:10.1007/978-3-030-57717-9_11
2019
An Exploration of Disciplinary Literacy in Learners’ Short Answers
2nd International Workshop on eliciting Adaptive Sequences for Learning (WeASeL) - Held in conjunction with Intelligent Tutoring Systems (ITS), Springer.
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url:https://www.researchgate.net/publication/337331808_An_Exploration_of_Disciplinary_Literacy_in_Learners'_Short_Answers
Comprehensive analysis of discussion forum participation: from speech acts to discussion dynamics and course outcomes
IEEE Transactions on Learning Technologies 13(1): 38-51, IEEE
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doi:10.1109/TLT.2019.2916808
A Comparison of Word Embeddings and N-gram Models for DBpedia Type and Invalid Entity Detection
Information 10.1 (2018): 6.
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doi:10.3390/info10010006
Mining Concept Map from Text in Portuguese
Brazilian Journal of Computers in Education 27(1), 83-103. DOI: 10.5753/RBIE.2019.27.01.83
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doi:10.5753/RBIE.2019.27.01.83
An analysis of the semantic annotation task on the linked data cloud
International Journal of Metadata, Semantics and Ontologies (IJMSO); 13(4): 317 - 329, InderScience Publishers
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arxiv:1811.05549
2018
A Language Adaptive Method for Question Answering
In: Buscaldi, D., Gangemi, A., Reforgiato Recupero, D. (eds) Semantic Web Challenges. SemWebEval 2018. Communications in Computer and Information Science, vol 927. Springer, Cham. https://doi.org/10.1007/978-3-030-00072-1_9
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doi:10.1007/978-3-030-00072-1_9
A Comparison of Features for the Automatic Labeling of Student Answers to Open-Ended Questions
International Conference on Educational Data Mining (EDM) (11th, Raleigh, NC, Jul 16-20, 2018), International Educational Data Mining Society.
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url:https://publications.polymtl.ca/41087/
Hybrid Question Answering Using Heuristic Methods and Linked Data Schema
I2018 IEEE/WIC/ACM International Conference on Web Intelligence (WI), 2018, pp. 446-451, doi: 10.1109/WI.2018.00-54.
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doi:10.1109/WI.2018.00-54
Towards Technological Approaches for Concept Maps Mining from Text
CLEI Electronic Journal. 21(1): 1-16.
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doi:10.19153/cleiej.21.1.7
FICLONE: Improving DBpedia Spotlight Using Named Entity Recognition and Collective Disambiguation
Open Journal of Semantic Web (OJSW) 5.1 (2018): 12-28.
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url:https://www.semanticscholar.org/paper/FICLONE%3A-Improving-DBpedia-Spotlight-Using-Named-Chabchoub-Gagnon/b4298decaaf24d2525de7ad1d1d44cf57cbea609
A Machine Learning Filter for the Slot Filling Task
Information 2018, 9(6), 133
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doi:10.3390/info9060133
Automatic Identification of Relations in Quebec Heritage Data.
7th EUROMED 2018 conference – Progress in Cultural Heritage. (pp. 188-199). Springer, Cham.
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doi:10.1007/978-3-030-01762-0_16
2017
Linked data for learning analytics: Potentials and challenges
Handbook of Learning Analytics, pp. 347-355
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url:https://research.monash.edu/en/publications/linked-data-for-learning-analytics-potentials-and-challenges/
An assessment of open relation extraction systems for the semantic web
Information Systems, Volume 71, p. 228-239
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doi:10.1016/j.is.2017.08.008
Assessing and Improving Domain Knowledge Representation in DBpedia
Open Journal of Semantic Web (OJSW), 4(1) : p. 1-19
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https://www.researchgate.net/publication/304407227_Assessing_the_Quality_of_Domain_Concepts_Descriptions_in_DBpedia
Short answers to deep questions: supporting teachers in large‐class settings
Journal of Computer Assisted Learning 33.4 (2017): 306-319
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doi:10.1111/jcal.12178
DBpedia Entity Type Detection Using Entity Embeddings and N-Gram Models
In: Różewski, P., Lange, C. (eds) 8th International Conference on Knowledge Engineering and Semantic Web. KESW 2017. Communications in Computer and Information Science, vol 786. Springer, Cham. https://doi.org/10.1007/978-3-319-69548-8_21
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doi:10.1007/978-3-319-69548-8_21
AMAL: Answering French Natural Language Questions using DBpedia
In: Dragoni, M., Solanki, M., Blomqvist, E. (eds) Semantic Web Challenges. SemWebEval 2017. Communications in Computer and Information Science, vol 769. Springer, Cham. https://doi.org/10.1007/978-3-319-69146-6_9
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doi:10.1007/978-3-319-69146-6_9
Answering Natural Language Questions on RDF Knowledge base in French. (1st place of QALD 2017 – Question answering in French)
Question Answering over Linked Data Challenge (QALD2017 Challenge - ESWC 2017). https://project-hobbit.eu/wp-content/uploads/2017/05/QALD_Paper_3.pdf
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url:https://publications.polymtl.ca/41578/
An Empirical Study of Embedding Features in Learning to Rank
The 26th ACM Conference on Information and Knowledge Management, pp. 2059-2062. ACM.
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doi:10.1145/3132847.3133138
2016
Semantic Annotation for the Analysis of Political Debates: A Graph-based Approach
International Conference on the Advances in Computational Analysis of Political Text, Dubrovnik
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url:https://publications.polymtl.ca/41011/
Automatic Extraction of Axioms from Wikipedia Using SPARQL
Lara Haidar-Ahmad, Amal Zouaq, Michel Gagnon
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doi:10.1007/978-3-319-47602-5_13
Collective disambiguation and Semantic Annotation for Entity Linking and Typing - Winner of the Open Knowledge Extraction challenge)
ESWC-16 Open Knowledge Extraction Challenge, Heraklion, Greece
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doi:10.1007/978-3-319-46565-4_3
Entity Typing and Linking using SPARQL Patterns and DBpedia - Winner of the Open Knowledge Extraction challenge
ESWC-16 Open Knowledge Extraction Challenge, Heraklion, Greece
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doi:10.1007/978-3-319-46565-4_5
A Machine learning Filter for Relation Extraction
25th World Wide Web Conference, Montreal
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doi:10.1145/2872518.2889397
Ontomap: from concept maps to shallow owl ontologies
7th International Conference on Concept Mapping, Vol 2, pp. 164-174.
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url:https://publications.polymtl.ca/41086/
Automatic construction of concept maps from text
7th International Conference on Concept Mapping. Vol 2, pp. 20-30
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url:https://www.researchgate.net/publication/311424610_AUTOMATIC_CONSTRUCTION_OF_CONCEPT_MAPS_FROM_TEXTS
Automatic detection of expert models: The exploration of expert modeling methods applicable to technology-based assessment and instruction
Computers & Education 101 (2016): 55-69
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doi:10.1016/j.compedu.2016.05.007
2015
Assessing the Quality of Domain Concepts Descriptions in DBpedia
12th International Conference on Signal Image Technology & Internet Based Systems, Bangkok, p. 254-261
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doi:10.1109/SITIS.2015.104
What do cMOOC participants talk about in Social Media? A Topic Analysis of Discourse in a cMOOC.
Proceedings of the 5th International Conference on Learning Analytics & Knowledge (LAK 2015)
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doi:10.1145/2723576.2723609
Short Answers to Deep Questions: Insights from Tutorial Dialogue
ALASI 2015
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url:https://publications.polymtl.ca/41096/
OntoMap: De Mapas Conceituais a Ontologias OWL
In Proceedings of TISE 2015, pp. 172-180.
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url:https://www.researchgate.net/publication/296695287_OntoMap_De_Mapas_Conceituais_a_Ontologias_OWL
2014
An Assessment of Online Semantic Annotators for the Keyword Extraction Task
The 13rd Pacific Rim Internationl Conference on Artificial Intelligence, Gold Coast, Australia.
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doi:10.1007/978-3-319-13560-1_44
A Comparison of Graph-based and Statistical Metrics for Learning Domain Keywords.
13th Pacific Rim Knowledge Acquisition Workshop - PKAW 2014, pp. 260-268, Gold Coast, Australia.
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doi:10.1007/978-3-319-13332-4_21