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A popular form of keywords on the web are tags, which are directly visible and can be assigned by non-experts. Index terms can consist of a word, phrase, or alphanumerical term. They are created by analyzing the document either manually with subject indexing or automatically with automatic indexing or more sophisticated methods of keyword ...
Key Word In Context (KWIC) is the most common format for concordance lines. The term KWIC was coined by Hans Peter Luhn . [ 1 ] The system was based on a concept called keyword in titles , which was first proposed for Manchester libraries in 1864 by Andrea Crestadoro .
Key word signing is a form of augmentative and alternative communication (AAC) that uses manual signing as an additional mode of communication with the intention of strengthening the message. [2] Research suggests that lexical representations of words, including manual signing, as well as speech and graphic symbols, can be used to reinforce ...
Typing a basic keyword in a search box prompts the search engine to scan its index for websites containing that keyword. It then delivers the top results, considering relevance and popularity. A single keyword often yields overly broad results. To refine your search, combine words into keyword phrases.
In corpus linguistics a key word is a word which occurs in a text more often than we would expect to occur by chance alone. [1] Key words are calculated by carrying out a statistical test (e.g., loglinear or chi-squared) which compares the word frequencies in a text against their expected frequencies derived in a much larger corpus, which acts as a reference for general language use.
A correct plaintext fragment is also going to appear in the key, shifted right by the length of the keyword. Similarly, the guessed key fragment (THE) also appears in the plaintext shifted left. Thus, by guessing keyword lengths (probably between 3 and 12), more plaintext and key can be revealed.
Fortran and PL/I identify keywords by context, while Algol 60 and Algol 68 generally use stropping to distinguish keywords from programmer-defined identifiers, e.g. .if or 'if or 'if'is a keyword distinct from identifier if. Most programming languages have a standard library (or libraries), e.g. mathematical functions sin, cos, etc.
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