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  • is a statistical measure of the significance of a specific token in a given context. It is measured using logDice. For more information, see section 3 of Statistics used in Sketch Engine.
  • is the attribute used for searching and for creating a word list. Word lists can be created for words, lemmas, tags, etc.
  • is the number of tokens on either side of the node that are matched when filtering concordance lines. A search span of −5 to 5 means that all concordance lines containing the filter condition within a range of five tokens around the node are returned.
  • Segments refer to the parts into which a parallel (multilingual) corpus is divided for the purpose of alignment. Alignment means that the corpus contains information about which segment in one language is a translation of which segment in another language. Segments typically correspond to [...] Read More
  • The simple maths formula is used to calculate the keyness score in Sketch Engine. This score is used to identify terms, keywords and also key n-grams and key collocations. It identifies items which appear more frequently in the focus corpus than in the reference corpus. It uses relative (per [...] Read More
  • A stem is a part of a word without its affixes (suffixes, prefixes, etc.). Stems do not have to be valid word forms, e.g. stem hav for the word form having, in comparison to lemma have for the word form having. Stems are used instead of lemmas or in addition to lemmas with languages whose [...] Read More
  • stemming is the process during which a word reduces its affixes (suffixes, prefixes, etc.) and finally, the stem only remains. Stemming is used to detect related words with the same stem, the word root which does not change in any case, number or tense. The word stems are available in Read More
  • the term corpus structures refers to the segments or parts into which a corpus can be divided. These are typically sentences, paragraphs and documents but the corpus author can introduce various other structures to allow the analysis to focus on smaller or larger parts of the [...] Read More
  • A structure attribute is a category of text types (metadata) that can be added to the structure, for example to a document. Here, the doc(ument) structure has the pub_year attribute. The attribute has a value: 2012. (to be understood as: The documents in this corpus have publication [...] Read More
  • a corpus can be subdivided into an unlimited number of parts called subcorpora. Subcorpora can be used to divide the corpus by the type (fiction, newspaper), media (spoken, written) or time (e.g. by years) or by any other criteria. A subcorpus can also be created from a concordance by [...] Read More