In mathematics, computer science, linguistics, and philosophy a tuple is an ordered list of elements. In set theory, an (ordered) -tuple is a sequence (or ordered list) of elements, where is a non-negative integer. There is only one 0-tuple, an empty sequence. An -tuple is defined inductively using the construction of an ordered pair. Tuples are usually written by listing the elements within parentheses "" and separated by commas; for example, denotes a 5-tuple. Sometimes other delimiters are used, such as square brackets "" or angle brackets "". Braces "" are almost never used for tuples, as they are the standard notation for sets.
Posts about Tuples
  • Google’s Query Language

    … in a Fact Repository The fact repository contains objects and collects facts about them. Each object contains unique IDs, each fact about an object contains a Fact ID, an attribute, and a value. Notice that both Objects and facts have unique IDs. The index maintains a term index, which maps terms to {object, fact, field, token) tuples, where “field…

    Bill Slawski/ SEO by the Seain Google Facebook- 26 readers -
  • At SMX East; Presenting on Google and the Semantic Web

    … it turned in on September 9th, according to schedule. And then Google was granted a patent on September 16th that shows the first time I’ve ever seen a patent describe how they store user behavior data using tuples or triples in an RDF format. I’ve never seen that before Larry did file Google’s first patent (in Stanford’s name), and then Sergey…

    Bill Slawski/ SEO by the Seain Google Twitter- 15 readers -
  • Google First Semantic Search Invention was Patented in 1999

    … of pages. It becomes much more legible from the third page on.) This provisional patent filed by Sergey is similar to a provisional patent (again, a “Miscellaneous Incoming Letter”) filed by Lawrence Page when he filed the original provisional PageRank patent, Improved Text Searching in Hypertext Systems (pdf), which was filed on March 28th, 1997…

    Bill Slawski/ SEO by the Seain Google- 22 readers -
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