V. Rolim

Publications10
h-index6
Citations68
Highly Influential Citations1
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Towards automatic content analysis of social presence in transcripts of online discussions
TLDR
This paper presents an approach to automatic labeling of the content of messages in online discussion according to the categories of social presence. Expand
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Towards Combined Network and Text Analytics of Student Discourse in Online Discussions
TLDR
We show how topic modeling and epistemic network analysis can provide qualitatively new insight into students’ development of critical and deep thinking skills in online learning environments. Expand
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Automated Analysis of Cognitive Presence in Online Discussions Written in Portuguese
TLDR
This paper presents a method for automated content analysis of students’ messages in asynchronous discussions written in Portuguese for the levels of cognitive presence, a key construct in a widely used Community of Inquiry model of online learning. Expand
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A network-based analytic approach to uncovering the relationship between social and cognitive presences in communities of inquiry
TLDR
A network-based approach to uncovering the relationship between the elements of social and cognitive presences in a community of inquiry. Expand
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Statistical and Semantic Features to Measure Sentence Similarity in Portuguese
TLDR
This work aims to present a new approach to measure the similarity between sentences written in Portuguese using statistical and deep learning features to overcome the meaning problems. Expand
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Analysing Social Presence in Online Discussions Through Network and Text Analytics
TLDR
This paper presents an approach to studying relationships between students' social presence and course topics from transcripts of asynchronous discussions in online learning environments. Expand
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Using Social Network Analysis to Measure the Effect of Learning Analytics in Computing Education
TLDR
We used the OSBLE+ Social Programming Environment to leverage social and programming data for the basis of automatically generated prompts inserted into the SPE to stimulate help-seeking, help-giving, and social interaction in the learning environment. Expand
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Let's shine together!: a comparative study between learning analytics and educational data mining
TLDR
Learning Analytics and Knowledge (LAK) and Educational Data Mining (EDM) are two of the most popular venues for researchers and practitioners to report and disseminate discoveries in data-intensive research on technology-enhanced education. Expand
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An Analysis of the use of Good Feedback Practices in Online Learning Courses
TLDR
This paper reports on the findings of an analysis of the quality of feedback provided by instructors in an online course. Expand
  • 6
Identifying Students' Weaknesses and Strengths Based on Online Discussion using Topic Modeling
TLDR
This paper proposes a topic model-based approach to extract students' weaknesses and strength based on Latent Dirichlet Allocation (LDA). Expand
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