no code implementations • ACL 2022 • Daniela Teodorescu, Josie Matalski, Delaney Lothian, Denilson Barbosa, Carrie Demmans Epp
Plains Cree (nêhiyawêwin) is an Indigenous language that is spoken in Canada and the USA.
1 code implementation • 4 Jul 2024 • Peiran Yao, Kostyantyn Guzhva, Denilson Barbosa
Symbolic sentence meaning representations, such as AMR (Abstract Meaning Representation) provide expressive and structured semantic graphs that act as intermediates that simplify downstream NLP tasks.
1 code implementation • 26 May 2024 • Peiran Yao, Denilson Barbosa
Open-domain question answering (Open-QA) is a common task for evaluating large language models (LLMs).
Natural Language Inference Open-Domain Question Answering +1
1 code implementation • 11 Jul 2023 • Arif Shahriar, Rohan Saha, Denilson Barbosa
Relation extraction (RE) is the task of extracting relations between entities in text.
1 code implementation • 2 Mar 2023 • Peiran Yao, Matej Kosmajac, Abeer Waheed, Kostyantyn Guzhva, Natalie Hervieux, Denilson Barbosa
NLP Workbench is a web-based platform for text mining that allows non-expert users to obtain semantic understanding of large-scale corpora using state-of-the-art text mining models.
2 code implementations • 3 Feb 2021 • Peiran Yao, Denilson Barbosa
In this study, we question the quality of these KGs, where the typing error rate is estimated to be 27% for coarse-grained types on average, and even 73% for certain fine-grained types.
no code implementations • 18 Aug 2020 • Erin Macdonald, Denilson Barbosa
Information Extraction is a well-researched area of Natural Language Processing with applications in web search and question answering concerned with identifying entities and relationships between them as expressed in a given context, usually a sentence of a paragraph of running text.
1 code implementation • 3 Feb 2020 • Andrea Rossi, Donatella Firmani, Antonio Matinata, Paolo Merialdo, Denilson Barbosa
Knowledge Graphs (KGs) have found many applications in industry and academic settings, which in turn, have motivated considerable research efforts towards large-scale information extraction from a variety of sources.
1 code implementation • IJCNLP 2019 • Filipe Mesquita, Matteo Cannaviccio, Jordan Schmidek, Paramita Mirza, Denilson Barbosa
KnowledgeNet is a benchmark dataset for the task of automatically populating a knowledge base (Wikidata) with facts expressed in natural language text on the web.
1 code implementation • NAACL 2019 • Peng Xu, Denilson Barbosa
Knowledge Bases (KBs) require constant up-dating to reflect changes to the world they represent.
Ranked #3 on Relation Extraction on NYT Corpus
3 code implementations • NAACL 2018 • Peng Xu, Denilson Barbosa
The task of Fine-grained Entity Type Classification (FETC) consists of assigning types from a hierarchy to entity mentions in text.
no code implementations • 6 Feb 2018 • Peng Xu, Denilson Barbosa
We report an evaluation of the effectiveness of the existing knowledge base embedding models for relation prediction and for relation extraction on a wide range of benchmarks.
no code implementations • 3 May 2014 • Aibek Makazhanov, Denilson Barbosa, Grzegorz Kondrak
We present an approach to the extraction of family relations from literary narrative, which incorporates a technique for utterance attribution proposed recently by Elson and McKeown (2010).
no code implementations • LREC 2014 • Jordan Schmidek, Denilson Barbosa
Information Extraction is an important task in Natural Language Processing, consisting of finding a structured representation for the information expressed in natural language text.