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In comparison to science education and mathematics education, computer science (CS) education is a much younger field. [13] In the history of computing , digital computers were only built from around the 1940s – although computation has been around for centuries since the invention of analog computers .
A faceted query is a conjunction of such facets; e.g. a query such as (electronic OR computerized OR DRE) AND (voting OR elections OR election OR balloting OR electoral) is likely to find documents about electronic voting even if they omit one of the words "electronic" or "voting", or even both. [17]
The criteria are referred to as a search query. In the case of text search engines, the search query is typically expressed as a set of words that identify the desired concept that one or more documents may contain. [1] There are several styles of search query syntax that vary in strictness. It can also switch names within the search engines ...
Ranking of query is one of the fundamental problems in information retrieval (IR), [1] the scientific/engineering discipline behind search engines. [2] Given a query q and a collection D of documents that match the query, the problem is to rank, that is, sort, the documents in D according to some criterion so that the "best" results appear early in the result list displayed to the user.
In descriptive complexity, a query is a mapping from structures of one signature to structures of another vocabulary. Neil Immerman , in his book Descriptive Complexity, [ 1 ] "use[s] the concept of query as the fundamental paradigm of computation" (p. 17).
Query, a precise request for information retrieval made to a database, data structure or information system Query language, a computer language used to make queries into databases and information systems; Query string, in the World Wide Web, is an optional part of a URL; Web search query, a query entered by users into web search engines