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• W4381053906 abstract "Named Entity Recognition (NER) is the task of identifying and classifying tokens in texts corresponding to a set of pre-defined categories, such as names of people, organizations and locations. Datasets labeled for this task are essential for training supervised machine learning models. Although there are many datasets labeled with texts for English, in the Portuguese language they are scarcer. This work contributes to the creation and evaluation of a manually labeled dataset for the NER task, with texts in Brazilian Portuguese, in the specific domain of the beverage called Cachaça. This is a popular drink in Brazil, and of great economic importance. This is the first NER dataset in the beverage domain, and can be useful for other types of beverages with similar entity categories, such as wine and beer. We describe the process of data collection, creation of the dataset and its experimental evaluation. As a result, we created a dataset containing over 180,000 tokens labeled in 17 entity categories. The labeling obtained an agreement coefficient of 0.857 among the labelers, according to the Fleiss’ Kappa metric, which is considered almost perfect. In our experimental evaluation, we obtained a micro-F1 value equal to 0.933 in the test set. The size of the dataset, as well as the result of its experimental evaluation, are comparable to other datasets in the Portuguese language, even though ours has a greater number of entity categories." @default.
• W4381053906 created "2023-06-18" @default.
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• W4381053906 date "2023-06-17" @default.
• W4381053906 modified "2023-09-27" @default.
• W4381053906 title "CachacaNER: a dataset for named entity recognition in texts about the cachaça beverage" @default.
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• W4381053906 doi "https://doi.org/10.1007/s10579-023-09665-0" @default.
• W4381053906 hasPublicationYear "2023" @default.
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