🧩 Part 1/10

✔ What Is Question Answering?
✔ The Importance of Question Answering in NLP
✔ How Does Question Answering Work?
✔ Common Challenges in Question Answering
✔ Types of Question Answering Models
✔ Retrieval-Based QA
✔ Generative QA
✔ Evaluation Metrics for QA Systems
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🧩 Part 2/10

✔ Types of Questions
✔ Closed-Ended Questions
✔ Open-Ended Questions
✔ Hypothetical Questions
✔ Types of Answers
✔ Direct Answers
✔ Indirect Answers
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🧩 Part 3/10

✔ Data Sources for Question Answering
✔ Web Scraping and APIs
✔ Pre-existing QA Datasets
✔ Data Preprocessing Techniques
✔ Text Cleaning and Tokenization
✔ Stop Word Removal and Lemmatization
✔ Building a QA Corpus
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🧩 Part 4/10

✔ Understanding Question Types
✔ Fact-Based Questions
✔ Opinion-Based Questions
✔ Complex Questions
✔ Techniques for Question Reformulation
✔ Paraphrasing Strategies
✔ Synonym Replacement
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🧩 Part 5/10

✔ Answer Extraction Techniques
✔ Named Entity Recognition (NER)
✔ Dependency Parsing
✔ Coreference Resolution
✔ Answer Generation Methods
✔ Template-Based Approaches
✔ Sequence-to-Sequence Models
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🧩 Part 6/10

✔ Evaluation Metrics for QA Systems
✔ Precision, Recall, and F1-score
✔ BLEU and ROUGE
✔ METEOR and CIDEr
✔ Evaluation Methods
✔ Human Evaluation
✔ Crowdsourcing and Annotation
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🧩 Part 7/10

✔ Retrieval-Based Approaches
✔ TF-IDF and BM25
✔ Neural IR Models
✔ Extractive QA Algorithms
✔ TextRank and LexRank
✔ BERT for Extractive QA
✔ Generative QA Techniques
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🧩 Part 8/10

✔ Deep Learning Models for Question Answering
✔ Recurrent Neural Networks (RNNs)
✔ Transformer-based Models
✔ Frameworks for Building QA Systems
✔ TensorFlow
✔ PyTorch
✔ Customizing Pretrained Models
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🧩 Part 9/10

✔ Neural Architectures for Question Answering
✔ Transformer-based Models
✔ BERT and Its Variants
✔ Challenges in Question Answering
✔ Ambiguity Resolution
✔ Handling Multi-hop Questions
✔ Evaluation Metrics for QA Systems
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🧩 Part 10/10

✔ Recap of Question Answering Techniques
✔ Retrieval-Based QA
✔ Generative QA
✔ Evaluating QA Systems
✔ Metrics for QA Performance
✔ Challenges in QA Evaluation
✔ Future Directions in QA
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