V (15 terms)
Value at Risk
Maximum expected loss under normal conditions.
Intermediate
Value Function
Expected cumulative reward from a state or state-action pair.
Intermediate
Value Learning
Inferring and aligning with human preferences.
Intermediate
Value Misalignment
Model optimizes objectives misaligned with human values.
Advanced
Vanishing Gradient
Gradients shrink through layers, slowing learning in early layers; mitigated by ReLU, residuals, normalization.
Intermediate
Variance
Measure of spread around the mean.
Advanced
Variance Term
Error due to sensitivity to fluctuations in the training dataset.
Intermediate
Variational Autoencoder
Autoencoder using probabilistic latent variables and KL regularization.
Advanced
VC Dimension
A measure of a model class’s expressive capacity based on its ability to shatter datasets.
Intermediate
Vector Database
A datastore optimized for similarity search over embeddings, enabling semantic retrieval at scale.
Intermediate
Vector Space
Set of vectors closed under addition and scalar multiplication.
Advanced
Vickrey Auction
Truthful bidding is optimal strategy.
Advanced
Vision Transformer
Transformer applied to image patches.
Intermediate
Vocabulary
The set of tokens a model can represent; impacts efficiency, multilinguality, and handling of rare strings.
Intermediate
Voice Conversion
Changing speaker characteristics while preserving content.
Intermediate