01 Text Processing — Tokenization, Stemming, Lemmatization
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02 Bag of Words, TF-IDF, and Text Representation
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03 Word Embeddings — Word2Vec from Scratch
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04 GloVe, FastText, and Subword Embeddings
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05 Sentiment Analysis
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06 Named Entity Recognition
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07 POS Tagging and Syntactic Parsing
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08 CNNs and RNNs for Text
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09 Sequence-to-Sequence Models
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10 Attention Mechanism — The Breakthrough
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11 Machine Translation
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12 Text Summarization
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13 Question Answering Systems
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14 Information Retrieval and Search
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15 Topic Modeling — LDA and BERTopic
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16 Text Generation Before Transformers — N-gram Language Models
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17 Chatbots — Rule-Based to Neural to LLM Agents
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18 Multilingual NLP
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19 Subword Tokenization — BPE, WordPiece, Unigram, SentencePiece
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20 Structured Outputs & Constrained Decoding
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21 Natural Language Inference — Textual Entailment
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22 Embedding Models — The 2026 Deep Dive
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23 Chunking Strategies for RAG
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24 Coreference Resolution
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25 Entity Linking & Disambiguation
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26 Relation Extraction & Knowledge Graph Construction
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27 LLM Evaluation — RAGAS, DeepEval, G-Eval
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28 Long-Context Evaluation — NIAH, RULER, LongBench, MRCR
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29 Dialogue State Tracking
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