66 citations · 68 across the 2 of their papers we have counts for
4 papers
Similarity search on neighbor's graphs with automatic Pareto optimal performance and minimum expected quality setups based on hyperparameter optimization
Eric S. Tellez, Guillermo Ruiz
This manuscript introduces an autotuned algorithm for searching nearest neighbors based on neighbor graphs and optimization metaheuristics to produce Pareto-optimal searches for qu…
A Case Study of Spanish Text Transformations for Twitter Sentiment Analysis
Eric S. Tellez, Sabino Miranda-Jiménez, Mario Graff +3
Sentiment analysis is a text mining task that determines the polarity of a given text, i.e., its positiveness or negativeness. Recently, it has received a lot of attention given th…
Improving classification performance by feature space transformations and model selection
Jose Ortiz-Bejar, Eric S. Tellez, Mario Graff
Improving the performance of classifiers is the realm of feature mapping, prototype selection, and kernel function transformations; these techniques aim for reducing the complexity…
EvoMSA: A Multilingual Evolutionary Approach for Sentiment Analysis
Mario Graff, Sabino Miranda-Jiménez, Eric S. Tellez +1
Sentiment analysis (SA) is a task related to understanding people's feelings in written text; the starting point would be to identify the polarity level (positive, neutral or negat…