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Stop 09 · Natural Language ProcessingTopics · 8/10

Sequence Classification

Part of the AI Engineer Roadmap

In short

Classifying an entire piece of text into a category — the task family that covers sentiment analysis, topic classification, spam detection and intent recognition.

How to learn this

  1. 1Fine-tune a transformer for sequence classification on a labeled dataset.
  2. 2Learn to evaluate with a proper classification report, not just accuracy.
  3. 3Practice handling class imbalance in a text classification setting.

More topics at this stop

Text Preprocessing (Tokenization, Stemming, Lemmatization)Bag of Words & TF-IDFWord Embeddings (Word2Vec, GloVe)Named Entity RecognitionSentiment AnalysisHugging Face Transformers LibraryPretrained NLP Models (BERT, RoBERTa)Text SummarizationQuestion Answering Models

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