Input on English AI Terms Dictionary

Feature

Sat, 18 Jul 2026 09:57:52 +0000

Definition

In machine learning, a feature is a distinct attribute or variable that describes an instance within a dataset. Features can be numerical, categorical, or textual, and they serve as the fundamental inputs for training predictive models. The quality and relevance of features directly impact model performance, as they determine how well the algorithm can learn patterns and make accurate predictions on new, unseen data.

Summary

An individual measurable property or characteristic of a phenomenon being observed, serving as input data for machine learning models.

Context

Sat, 18 Jul 2026 09:30:47 +0000

Definition

In natural language processing, context is crucial for resolving ambiguity, such as understanding pronouns or idioms based on previous sentences. Modern architectures like transformers use attention mechanisms to weigh the importance of different parts of the input sequence. Providing sufficient context allows models to maintain coherence over long documents and adapt their outputs to specific user intents or situational constraints.

Summary

Context refers to the surrounding information or environment that helps an AI model interpret input data accurately and generate relevant responses.