Glossary

Searchable terminology from accessibility, web standards, and related fields.

44 results found in Natural Language Processing.

Visualization Question Answering (Chart QA, Visualization QA, VisQA)
A class of interactive systems that let users ask natural-language questions about a data visualization — a chart, graph, or map — and receive direct textual or spoken answers rather than having to in…
Viterbi Algorithm
The Viterbi algorithm is a dynamic-programming procedure for finding the most likely sequence of hidden states in a Hidden Markov Model given a sequence of observations. It is the standard solution to…
Word sense disambiguation (WSD)
A natural language processing task that determines which meaning of a word is being used in a given context when the word has multiple possible meanings (polysemy). In accessibility applications, part…
WordNet
A large-scale electronic lexical database of the English language developed at Princeton University, in which nouns, verbs, adjectives, and adverbs are grouped into sets of cognitive synonyms (synsets…