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. 2025 Feb 28;11:e2738. doi: 10.7717/peerj-cs.2738

Table 2. Datasets roles.

Dataset size (# of rows) Role Sentiment analysis methods applied
21 K Majority voting labeling VADER, GOOG, AMZN, IBM, MSFT
50 K Majority voting labeling VADER, GOOG, AMZN, IBM
100 K Majority voting labeling VADER, GOOG, AMZN, IBM
250 K Testing Majority voting trained algorithms

Note:

Symbols in the table: VADER, Nltk’s Vader; GOOG, Google Cloud Natural Language’s Analyze Sentiment; AMZN, AWS Amazon Comprehend; IBM, IBM Watson Natural Language Understand, MSFT, Microsoft Azure Text Analytics.