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In the era of digital communication, social media platforms have become a primary source of public opinion, generating vast amounts of unstructured textual data. Extracting meaningful insights from such data is challenging due to informal language, contextual dependencies, sarcasm, and the dynamic nature of user-generated content. This paper presents a Context-Aware Sentiment Analysis system that combines RoBERTa (Robustly Optimized BERT Pretraining Approach) and Bidirectional Long Short-Term Memory (BiLSTM) networks to improve sentiment classification accuracy. RoBERTa generates rich contextual embeddings capturing semantic meaning, which are subsequently processed by BiLSTM to capture sequential dependencies in both forward and backward directions. The system is trained and evaluated on the SST-2 benchmark dataset. Preprocessing steps including tokenization, noise removal, and normalization are applied to improve data quality. The hybrid architecture demonstrates strong performance in terms of accuracy, precision, recall, and F1-score, particularly in handling complex linguistic patterns such as sarcasm and implicit sentiment.
Keywords:
Sentiment Analysis, RoBERTa, BiLSTM, Transformer, Natural Language Processing, Deep Learning, SST-2, Context-Aware.
Cite Article:
"Context-Aware Sentiment Analysis Using RoBERTa and BiLSTM for Social Media", International Journal for Research Trends and Innovation (www.ijrti.org), ISSN:2456-3315, Vol.11, Issue 5, page no.a654-a660, May-2026, Available :http://www.ijrti.org/papers/IJRTI2605079.pdf
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ISSN:
2456-3315 | IMPACT FACTOR: 8.14 Calculated By Google Scholar| ESTD YEAR: 2016
An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 8.14 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator