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Natural Language Processing

Text Preprocessing

4 questions

Multiple Choice

Tokenization Choices

Open-Ended

Stemming vs Lemmatization

Tokenization Strategies and Their Tradeoffs

Text Normalization and When It Hurts

Text Representation

4 questions

Multiple Choice

TF-IDF vs Word Embeddings

Open-Ended

TF-IDF: Term Frequency and Document Importance

Word Embeddings: From Sparse to Dense

Contextual Embeddings and the Polysemy Problem

Language Modeling

4 questions

Multiple Choice

Perplexity Interpretation

Open-Ended

Perplexity as a Language Model Metric

N-gram Language Models and Their Limitations

Autoregressive vs Masked Language Modeling

Sequence Labeling

4 questions

Multiple Choice

BIO Tagging Scheme

Open-Ended

Part-of-Speech Tagging and Its Role

Named Entity Recognition Approaches

CRFs for Sequence Labeling

Text Classification

4 questions

Multiple Choice

Handling Class Imbalance in Text Classification

Open-Ended

Sentiment Analysis Beyond Positive/Negative

Multi-label Text Classification

Class Imbalance in Text Classification

Semantic Similarity

4 questions

Multiple Choice

Sentence Embedding Similarity

Open-Ended

Measuring Sentence Similarity

Paraphrase Detection and Its Challenges

Textual Entailment and Natural Language Inference

Information Extraction

4 questions

Multiple Choice

Named Entity Recognition Approaches

Open-Ended

Coreference Resolution

Relation Extraction from Text

Event Extraction and Argument Identification

Machine Translation

4 questions

Multiple Choice

BLEU Score Limitations

Open-Ended

BLEU Score and Machine Translation Evaluation

Attention Mechanism in Neural Machine Translation

Low-Resource Machine Translation

Question Answering

4 questions

Multiple Choice

Extractive vs Generative QA

Open-Ended

Extractive Question Answering

Retrieval-Augmented QA Systems

Multi-hop Question Answering

Text Generation

4 questions

Multiple Choice

Sampling Temperature in Text Generation

Open-Ended

Decoding Strategies for Text Generation

Hallucination in Text Generation

Evaluating Generated Text Quality