Proximity

Proximity

Proximity bzw. Wortabstand bezeichnet im Information Retrieval den Abstand, den zwei Wörter in einem Text haben.

Funktionsweise

Mithilfe von Proximity-Operatoren (Wortabstandsoperatoren) kann bei einer Suchanfrage eingeschränkt werden, wie weit entfernt zwei Suchworte im Text stehen dürfen. Damit lässt sich die Präzision einer Suche erhöhen.

Möglichkeiten

  • Festlegung des Abstands: wort1 WITHIN "m" "units" OF wort2
(unit = Zeichen, Wort, Satz, Absatz...)
  • Reihenfolgeoperatoren: BEFORE, AFTER
  • Adjazenzoperator: wort1 ADJACENT wort2
wort2 muss direkt nach wort1 stehen

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  • proximity — prox·im·i·ty /präk si mə tē/ n: the quality or state of being proximate Merriam Webster’s Dictionary of Law. Merriam Webster. 1996. proximity …   Law dictionary

  • proximity — late 15c., from M.Fr. proximité nearness (14c.), from L. proximitatem (nom. proximitas) nearness, vicinity, from proximus nearest, superlative of prope near (see PROPINQUITY (Cf. propinquity)). Proximal is first recorded 1727 …   Etymology dictionary

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  • proximity — ► NOUN ▪ nearness in space, time, or relationship …   English terms dictionary

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  • proximity — prox|im|i|ty [prɔkˈsımıti US pra:k ] n [U] [Date: 1400 1500; : Latin; Origin: proximitas, from proximus; PROXIMATE] formal nearness in distance or time proximity to ▪ We chose the house for its proximity to the school. proximity of ▪ the… …   Dictionary of contemporary English

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