Spelling suggestion is a feature of hi computer software

Computer software

Computer software, or just software, is a collection of computer programs and related data that provide the instructions for telling a computer what to do and how to do it....

 applications used to suggest plausible replacements for words that are likely to have been misspelled.

Spelling suggestion features are commonly included in Internet

Internet

The Internet is a global system of interconnected computer networks that use the standard Internet protocol suite to serve billions of users worldwide...

 search engine

Search engine

A search engine is an information retrieval system designed to help find information stored on a computer system. The search results are usually presented in a list and are commonly called hits. Search engines help to minimize the time required to find information and the amount of information...

s, word processor

Word processor

A word processor is a computer application used for the production of any sort of printable material....

s, spell checker

Spell checker

In computing, a spell checker is an application program that flags words in a document that may not be spelled correctly. Spell checkers may be stand-alone capable of operating on a block of text, or as part of a larger application, such as a word processor, email client, electronic dictionary,...

s, medical transcription

Medical transcription

Medical transcription, also known as MT, is an allied health profession, which deals in the process of transcription, or converting voice-recorded reports as dictated by physicians and/or other healthcare professionals, into text format.-History:...

, automatic query reformulation

Query expansion

Query expansion is the process of reformulating a seed query to improve retrieval performance in information retrieval operations.In the context of web search engines, query expansion involves evaluating a user's input and expanding the search query to match additional documents...

, and frequency-log statistics reporting.

Algorithms

Algorithms for spelling suggestion may incorporate several information resources to determine candidates for misspelled words and the words' likely correct replacements, including the following:

• Frequency of a word's occurrence in reliable data sources
• Search query logs
• List of frequently misspelled words
• Domain specific data resources (e.g.: corpora
  Text corpus
  In linguistics, a corpus or text corpus is a large and structured set of texts...
  
  of medical terms)

External links

• Google Spelling Suggestion Technology