The story of Cortana, Microsoft's Siri killer. By Tom Warren on April 2, 2014 02:00 pm 570Comments. Technically, Cortana isnât supposed to exist for at least another 500 years, but thatâs not stopping Microsoft from bringing her to life this week. While Apple has Siri and Google has Google Now â both digital assistants that run on smartphones â Microsoft is taking an approach that mixes the best of the competition with its own unique take.
Discrete and continuous data. Raw data is the information we get when we do a survey. For example, we might have a list of heights or shoe sizes. Data can either be discrete or continuous. Discrete data. This data set shows a group of discrete data. This is called discrete data because the units of measurement (for example, CDs) cannot be split up; there is nothing between 1 CD and 2 CDs. Bitesize CD store 31 January 2008
In addition to structured and unstructured data, there's also a third category: semi-structured data. Semi-structured data is information that doesn't reside in a relational database but that does have some organizational properties that make it easier to analyze.Examples of semi-structured data might include XML documents and NoSQL databases. The term big data is closely associated with unstructured data.nstructured Data and Big Data. As mentioned above, unstructured data is the opposite of structured data. Structured data generally resides in a relational database, and as a result, it is sometimes called relational data. This type of data can be easily mapped into pre-designed fields.