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  2. Recommender system - Wikipedia

    en.wikipedia.org/wiki/Recommender_system

    While a rating is an explicit expression of whether a user liked a movie, such information is not available in all domains. For instance, in the domain of citation recommender systems, users typically do not rate a citation or recommended article. In such cases, offline evaluations may use implicit measures of effectiveness.

  3. High availability - Wikipedia

    en.wikipedia.org/wiki/High_availability

    For example, a system can be "up" with its services not "available" in the case of a network outage. Or a system undergoing software maintenance can be "available" to be worked on by a system administrator, but its services do not appear "up" to the end user or customer. The subject of the terms is thus important here: whether the focus of a ...

  4. System requirements - Wikipedia

    en.wikipedia.org/wiki/System_requirements

    The most common set of requirements defined by any operating system or software application is the physical computer resources, also known as hardware, A hardware requirements list is often accompanied by a hardware compatibility list (HCL), especially in case of operating systems. An HCL lists tested, compatible, and sometimes incompatible ...

  5. Availability - Wikipedia

    en.wikipedia.org/wiki/Availability

    In reliability engineering, the term availability has the following meanings: . The degree to which a system, subsystem or equipment is in a specified operable and committable state at the start of a mission, when the mission is called for at an unknown, i.e. a random, time.

  6. N/A - Wikipedia

    en.wikipedia.org/wiki/N/A

    Some of the questions on the card are of course not applicable at all times. For instance, a household composed of two widowed sisters living on their income has no wage earner. The survey director should request that the initials "n a" ("not applicable") be written down opposite such questions. No space should be left blank. [6]

  7. List price - Wikipedia

    en.wikipedia.org/wiki/List_price

    This 1916 advertisement distinguishes the list price and a lower our special price.. The list price, also known as the manufacturer's suggested retail price (MSRP), or the recommended retail price (RRP), or the suggested retail price (SRP) of a product is the price at which its manufacturer notionally recommends that a retailer sell the product.

  8. To play or not to play? That's the question the Chiefs face ...

    www.aol.com/play-not-play-thats-chiefs-212925950...

    “That’s the reason you play this game, to push to play. I’m not going to put our team in a bad position. It’s about seeing where I’m at. I’m a competitor. I want to go out there and ...

  9. Missing data - Wikipedia

    en.wikipedia.org/wiki/Missing_data

    The expectation-maximization algorithm is an approach in which values of the statistics which would be computed if a complete dataset were available are estimated (imputed), taking into account the pattern of missing data. In this approach, values for individual missing data-items are not usually imputed.