E. Costa

Publications57
h-index8
Citations233
Highly Influential Citations10
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A framework for building web mining applications in the world of blogs: A case study in product sentiment analysis
TLDR
We propose a software framework for building Web mining applications in the blog world that combines the use of blog crawling and data mining algorithms. Expand
  • 23
  • 2
Routing Questions in Twitter: An Effective Way to Qualify Peer Helpers
TLDR
We proposed, implemented and evaluated a model based on a multi-criteria approach to find the most suitable user to receive a question on Twitter. Expand
  • 6
  • 1
Recommending Scientific Papers: Investigating the User Curriculum
TLDR
We propose a Personalized Paper Recommender System, a new user-paper based approach that takes into consideration the user academic curriculum vitae. Expand
  • 5
  • 1
Ontology-based software product line for building semantic web applications
TLDR
The Software Product Lines (SPL) has proved very effective in building large-scale software. Expand
  • 4
  • 1
A decision-making tool to support architectural designs based on quality attributes
TLDR
This paper is to present a tool that supports young architects by recommending a suitable architectural style, based on the system's requirements, particularly the quality attributes of the system. Expand
  • 3
  • 1
Comparing Machine-Learning Classifiers in Keratoconus Diagnosis from ORA Examinations
TLDR
This paper presents a study of machine learning classifiers in keratoconus diagnosis from ORA examinations and presents a performance comparison of the main machine learning algorithms. Expand
  • 3
  • 1
Identificação Automática de Dúvidas em Fóruns Educacionais
Com o aumento do uso de plataformas educacionais online, a quantidade de informacao para ser processada por professores e alunos vem crescendo rapidamente. Nesse contexto, a ferramenta de forum gera… Expand
  • 3
  • 1
Utilização de Técnicas de Aprendizado de Máquina para Acompanhamento de Fóruns Educacionais
With the growth of distance education, and the adoption of computational systems as an educational support tool, the use of virtual learning environments has also grown. These environments offer… Expand
  • 2
  • 1
Mineração de texto em Redes Sociais aplicada à Educação a Distância
Ambientes de Educacao a Distância (EaD) sao hoje foco de varios grupos de pesquisa, prioridade de financiados governamentais de diferentes paises e fontes de negocios de diferentes empresas. Tais… Expand
  • 5
  • 1
Experience report: Evaluating the effectiveness of decision trees for detecting code smells
TLDR
We study the effectiveness of the Decision Tree algorithm to recognize code smells in different software projects. Expand
  • 25
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