activity
20062021
most citedPortuguese Word Embeddings: Evaluating on Word Analogies and Natural Language Tasks

91 citations · 184 across the 11 of their papers we have counts for

collaborators

14 papers

eess.AS2021

SC-GlowTTS: an Efficient Zero-Shot Multi-Speaker Text-To-Speech Model

Edresson Casanova, Christopher Shulby, Eren Gölge +6

In this paper, we propose SC-GlowTTS: an efficient zero-shot multi-speaker text-to-speech model that improves similarity for speakers unseen during training. We propose a speaker-c…

eess.AS2020★ 16 cited

TTS-Portuguese Corpus: a corpus for speech synthesis in Brazilian Portuguese

Edresson Casanova, Arnaldo Candido Junior, Christopher Shulby +4

Speech provides a natural way for human-computer interaction. In particular, speech synthesis systems are popular in different applications, such as personal assistants, GPS applic…

cs.CL2020

Speech2Phone: A Novel and Efficient Method for Training Speaker Recognition Models

Edresson Casanova, Arnaldo Candido Junior, Christopher Shulby +5

In this paper we present an efficient method for training models for speaker recognition using small or under-resourced datasets. This method requires less data than other SOTA (St…

cs.CL2018★ 5 cited

MilkQA: a Dataset of Consumer Questions for the Task of Answer Selection

Marcelo Criscuolo, Erick Rocha Fonseca, Sandra Maria Aluísio +1

We introduce MilkQA, a question answering dataset from the dairy domain dedicated to the study of consumer questions. The dataset contains 2,657 pairs of questions and answers, wri…

cs.CL2017★ 91 cited

Portuguese Word Embeddings: Evaluating on Word Analogies and Natural Language Tasks

Nathan Hartmann, Erick Fonseca, Christopher Shulby +3

Word embeddings have been found to provide meaningful representations for words in an efficient way; therefore, they have become common in Natural Language Processing sys- tems. In…

cs.CL2017★ 13 cited

Evaluating Word Embeddings for Sentence Boundary Detection in Speech Transcripts

Marcos V. Treviso, Christopher D. Shulby, Sandra M. Aluisio

This paper is motivated by the automation of neuropsychological tests involving discourse analysis in the retellings of narratives by patients with potential cognitive impairment.…

cs.SD2017

Acoustic Modeling Using a Shallow CNN-HTSVM Architecture

Christopher Dane Shulby, Martha Dais Ferreira, Rodrigo F. de Mello +1

High-accuracy speech recognition is especially challenging when large datasets are not available. It is possible to bridge this gap with careful and knowledge-driven parsing combin…

cs.CL2017★ 1 cited

A Lightweight Regression Method to Infer Psycholinguistic Properties for Brazilian Portuguese

Leandro B. dos Santos, Magali S. Duran, Nathan S. Hartmann +3

Psycholinguistic properties of words have been used in various approaches to Natural Language Processing tasks, such as text simplification and readability assessment. Most of thes…

cs.CL2017★ 2 cited

Enriching Complex Networks with Word Embeddings for Detecting Mild Cognitive Impairment from Speech Transcripts

Leandro B. dos Santos, Edilson A. Corrêa, Osvaldo N. Oliveira +3

Mild Cognitive Impairment (MCI) is a mental disorder difficult to diagnose. Linguistic features, mainly from parsers, have been used to detect MCI, but this is not suitable for lar…

cs.CL2017★ 5 cited

Automatic semantic role labeling on non-revised syntactic trees of journalistic texts

Nathan Siegle Hartmann, Magali Sanches Duran, Sandra Maria Aluísio

Semantic Role Labeling (SRL) is a Natural Language Processing task that enables the detection of events described in sentences and the participants of these events. For Brazilian P…

cs.CL2017★ 7 cited

Automatic Classification of the Complexity of Nonfiction Texts in Portuguese for Early School Years

Nathan Siegle Hartmann, Livia Cucatto, Danielle Brants +1

Recent research shows that most Brazilian students have serious problems regarding their reading skills. The full development of this skill is key for the academic and professional…

cs.CL2016

Sentence Segmentation in Narrative Transcripts from Neuropsychological Tests using Recurrent Convolutional Neural Networks

Marcos Vinícius Treviso, Christopher Shulby, Sandra Maria Aluísio

Automated discourse analysis tools based on Natural Language Processing (NLP) aiming at the diagnosis of language-impairing dementias generally extract several textual metrics of n…

physics.soc-ph2013★ 37 cited

Complex networks analysis of language complexity

Diego R. Amancio, Sandra M. Aluisio, Osvaldo N. Oliveira +1

Methods from statistical physics, such as those involving complex networks, have been increasingly used in quantitative analysis of linguistic phenomena. In this paper, we represen…

cs.OH2006★ 7 cited

Developing strategies to produce better scientific papers: a Recipe for non-native users of English

Osvaldo N. Oliveira, Valtencir Zucolotto, Sandra M. Aluisio

In this paper we introduce the AMADEUS strategy, which has been used to produce scientific writing tools for non-native users of English for 15 years, and emphasize a learn-by-doin…