activity
20182022
most citedConfirmatory Factor Analysis -- A Case study

22 citations · 39 across the 10 of their papers we have counts for

collaborators

10 papers

cs.IR2022

Contextualization for the Organization of Text Documents Streams

Rui Portocarrero Sarmento, Douglas O. Cardoso, João Gama +1

There has been a significant effort by the research community to address the problem of providing methods to organize documentation with the help of information Retrieval methods.…

stat.AP2019★ 12 cited

An Overview of Statistical Data Analysis

Rui Portocarrero Sarmento, Vera Costa

The use of statistical software in academia and enterprises has been evolving over the last years. More often than not, students, professors, workers, and users, in general, have a…

stat.AP2019★ 22 cited

Confirmatory Factor Analysis -- A Case study

Rui Portocarrero Sarmento, Vera Costa

Confirmatory Factor Analysis (CFA) is a particular form of factor analysis, most commonly used in social research. In confirmatory factor analysis, the researcher first develops a…

cs.SI2019★ 2 cited

DynComm R Package -- Dynamic Community Detection for Evolving Networks

Rui Portocarrero Sarmento, Luís Lemos, Mário Cordeiro +2

Nowadays, the analysis of dynamics in networks represents a great deal in the Social Network Analysis research area. To support students, teachers, developers, and researchers in t…

cs.MA2019

Inventory Management - A Case Study with NetLogo

Rui Portocarrero Sarmento

Multi-Agent Systems (MAS) have been applied to several areas or tasks ranging from energy networks controlling to robot soccer teams. MAS are the ideal solution when they provide d…

cs.SI2019★ 1 cited

Density-based Community Detection/Optimization

Rui Portocarrero Sarmento

Modularity-based algorithms used for community detection have been increasing in recent years. Modularity and its application have been generating controversy since some authors ar…

cs.IR2019

Idealize - A Notion of Idea Strength

Rui Portocarrero Sarmento

Business Entrepreneurs frequently thrive on looking for ways to test business ideas, without giving too much information. Recent techniques in startup development promote the use o…

cs.HC2018

A System for Efficient Communication between Patients and Pharmacies

Rui Portocarrero Sarmento, André Tarrinho, Pedro Câmara +1

When studying human-technology interaction systems, researchers thrive to achieve intuitiveness and facilitate the people's life through a thoughtful and in-depth study of several…

cs.IR2018

Incremental Sparse TFIDF & Incremental Similarity with Bipartite Graphs

Rui Portocarrero Sarmento, Pavel Brazdil

In this report, we experimented with several concepts regarding text streams analysis. We tested an implementation of Incremental Sparse TF-IDF (IS-TFIDF) and Incremental Cosine Si…

cs.SI2018★ 2 cited

Dynamic Laplace: Efficient Centrality Measure for Weighted or Unweighted Evolving Networks

Mário Cordeiro, Rui Portocarrero Sarmento, Pavel Brazdil +1

With its origin in sociology, Social Network Analysis (SNA), quickly emerged and spread to other areas of research, including anthropology, biology, information science, organizati…