A Sequential Query is any query that forms part of a
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What is the Skip-gram Model?
The skip-gram model is a predictive approach for learning word embeddings. Given a
What is Modality?
In semantics, modality refers to how language expresses possibility, necessity, ...
What is Polysemy and Homonymy?
Polysemy occurs when a word has multiple related meanings. For example, “paper” can mean ...
BERT and Transformer Models for Search
BERT (Bidirectional Encoder Representations from Transformers) is trained with a masked language ...
What Are Knowledge Graph Embeddings (KGEs)?
A knowledge graph represents the world as nodes (entities) and edges (relations). KGEs map ...
Zero-shot and Few-shot Query Understanding
What is Zero-shot Query Understanding?Zero-shot query understanding refers to an ...
What is Learning-to-Rank (LTR)?
Learning-to-Rank (LTR) is a machine learning approach used in information retrieval and ...
What is DPR (and why it mattered)?
DPR is a dual-encoder retriever: one encoder maps the query ...
Click Models & User Behavior in Ranking
What are Click Models?Click models are probabilistic frameworks that separate