no code implementations • NAACL 2019 • Lahari Poddar, Leonardo Neves, William Brendel, Luis Marujo, Sergey Tulyakov, Pradeep Karuturi
Leveraging the assumption that learning the topic of a bug is a sub-task for detecting duplicates, we design a loss function that can jointly perform both tasks but needs supervision for only duplicate classification, achieving topic clustering in an unsupervised fashion.
no code implementations • 2 May 2018 • Francesco Barbieri, Luis Marujo, Pradeep Karuturi, William Brendel, Horacio Saggion
The frequent use of Emojis on social media platforms has created a new form of multimodal social interaction.
no code implementations • 23 Dec 2013 • Luis Marujo, Anatole Gershman, Jaime Carbonell, David Martins de Matos, João P. Neto
In this work, we propose two stochastic architectural models (CMC and CMC-M) with two layers of classifiers applicable to datasets with one and multiple skewed classes.
no code implementations • COLING 2012 • Luis Marujo, Wang Ling, Anatole Gershman, Jaime Carbonell, João P. Neto, David Matos
We extend the concept of Named Entities to Named Events - commonly occurring events such as battles and earthquakes.
no code implementations • 20 Jun 2013 • Luis Marujo, Ricardo Ribeiro, David Martins de Matos, João P. Neto, Anatole Gershman, Jaime Carbonell
Key phrases are often used to index the document or as features in further processing.
1 code implementation • LREC 2012 • Luis Marujo, Anatole Gershman, Jaime Carbonell, Robert Frederking, João P. Neto
We also experimented with 2 forms of document pre-processing that we call light filtering and co-reference normalization.
1 code implementation • 19 Jun 2013 • Luis Marujo, Márcio Viveiros, João Paulo da Silva Neto
This paper describes an enhanced automatic keyphrase extraction method applied to Broadcast News.