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  2. Data quality - Wikipedia

    en.wikipedia.org/wiki/Data_quality

    The Data QC process uses the information from the QA process to decide to use the data for analysis or in an application or business process. General example: if a Data QC process finds that the data contains too many errors or inconsistencies, then it prevents that data from being used for its intended process which could cause disruption.

  3. Semantic query - Wikipedia

    en.wikipedia.org/wiki/Semantic_Query

    The latter enables the semantic query engine to infer that a customer living in Manhattan is also living in New York City whereas other relationships might have more complicated patterns and "contextual analytics". This process is called inference or reasoning and is the ability of the software to derive new information based on given facts.

  4. Decision quality - Wikipedia

    en.wikipedia.org/wiki/Decision_quality

    Decision quality (DQ) is the quality of a decision at the moment the decision is made, regardless of its outcome. Decision quality concepts permit the assurance of both effectiveness and efficiency in analyzing decision problems. [ 1 ]

  5. Angular (web framework) - Wikipedia

    en.wikipedia.org/wiki/Angular_(web_framework)

    Angular (also referred to as Angular 2+) [4] is a TypeScript-based free and open-source single-page web application framework. It is developed by Google and by a community of individuals and corporations. Angular is a complete rewrite from the same team that built AngularJS.

  6. Web query - Wikipedia

    en.wikipedia.org/wiki/Web_query

    [6] [7] A 2001 study, [8] which analyzed the queries from the Excite search engine, showed some interesting characteristics of web searches: The average length of a query was 2.4 terms. About half of the users entered a single query while a little less than a third of users entered three or more unique queries.

  7. Data query language - Wikipedia

    en.wikipedia.org/wiki/Data_query_language

    The purpose of DQL commands is to get the schema relation based on the query passed to it. Although often considered part of DML, the SQL SELECT statement is strictly speaking an example of DQL. When adding FROM or WHERE data manipulators to the SELECT statement the statement is then considered part of the DML.

  8. Correlated subquery - Wikipedia

    en.wikipedia.org/wiki/Correlated_subquery

    In a SQL database query, a correlated subquery (also known as a synchronized subquery) is a subquery (a query nested inside another query) that uses values from the outer query. This can have major impact on performance because the correlated subquery might get recomputed every time for each row of the outer query is processed.

  9. Secretary problem - Wikipedia

    en.wikipedia.org/wiki/Secretary_problem

    Graphs of probabilities of getting the best candidate (red circles) from n applications, and k/n (blue crosses) where k is the sample size. The secretary problem demonstrates a scenario involving optimal stopping theory [1] [2] that is studied extensively in the fields of applied probability, statistics, and decision theory.