- Sparse retrieval: Bag-of-words, TF-IDF
- Sparse retrieval: BM25
- From sparse representations to Language Models
- Dense Passage Retrieval
- Sentence Transformers for Dense Retrieval
- Retrieve and Re-Rank
- Retrieval Evaluation
- Combining document retrieval and machine comprehension for Question Answering
- Machine Reading Models (= Readers)
- Extractive Question Answering Evaluation
- Retrieval-based Answer Generation
- Vector Search
- Document Stores and Vector Databases
- FAISS
- Neural Search/LLM frameworks
- Question Answering on Tables
- Question Generation
- GPL: Generative Pseudo Labeling
- CLIP: Contrastive Language-Image Pre-Training
- Natural Language Inference models and Zero-Shot Classification
- Model Distillation