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  2. Big data - Wikipedia

    en.wikipedia.org/wiki/Big_data

    Big data very often means 'dirty data' and the fraction of data inaccuracies increases with data volume growth." Human inspection at the big data scale is impossible and there is a desperate need in health service for intelligent tools for accuracy and believability control and handling of information missed. [ 84 ]

  3. Online advertising - Wikipedia

    en.wikipedia.org/wiki/Online_advertising

    [30]: 22 Pop-under ads and similar technologies are now advised against by online authorities such as Google, who state that they "do not condone this practice". [36] Floating ad: A floating ad, or overlay ad, is a type of rich media advertisement that appears superimposed over the requested website's content. Floating ads may disappear or ...

  4. Cabin pressurization - Wikipedia

    en.wikipedia.org/wiki/Cabin_pressurization

    An airliner fuselage, such as this Boeing 737, forms an almost cylindrical pressure vessel.. Cabin pressurization is a process in which conditioned air is pumped into the cabin of an aircraft or spacecraft in order to create a safe and comfortable environment for humans flying at high altitudes.

  5. Liquefied natural gas - Wikipedia

    en.wikipedia.org/wiki/Liquefied_natural_gas

    The heating value depends on the source of gas that is used and the process that is used to liquefy the gas. The range of heating value can span ±10 to 15 percent. A typical value of the higher heating value of LNG is approximately 50 MJ/kg or 21,500 BTU/lb. [2] A typical value of the lower heating value of LNG is 45 MJ/kg or 19,350 BTU/lb.

  6. Holography - Wikipedia

    en.wikipedia.org/wiki/Holography

    Two photographs of a single hologram taken from different viewpoints. Holography is a technique that enables a wavefront to be recorded and later reconstructed. It is best known as a method of generating three-dimensional images, and has a wide range of other uses, including data storage, microscopy, and interferometry.