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- Tversky_index abstract "The Tversky index, named after Amos Tversky, is an asymmetric similarity measure on sets that compares a variant to a prototype. The Tversky index can be seen as a generalization of Dice's coefficient and Tanimoto coefficient.For sets X and Y the Tversky index is a number between 0 and 1 given by ,Here, denotes the relative complement of Y in X.Further, are parameters of the Tversky index. Setting produces the Tanimoto coefficient; setting produces Dice's coefficient. If we consider X to be the prototype and Y to be the variant, then corresponds to the weight of the prototype and corresponds to the weight of the variant. Tversky measures with are of special interest.Because of the inherent asymmetry, the Tversky index does not meet the criteria for a similarity metric. However, if symmetry is needed a variant of the original formulation has been proposed using max and min functions .,,,This formulation also re-arranges parameters and . Thus, controls the balance between and in the denominator. Similarly, controls the effect of the symmetric difference versus in the denominator.".
- Tversky_index wikiPageID "29753359".
- Tversky_index wikiPageRevisionID "570239140".
- Tversky_index hasPhotoCollection Tversky_index.
- Tversky_index subject Category:Index_numbers.
- Tversky_index subject Category:Measure_theory.
- Tversky_index subject Category:String_similarity_measures.
- Tversky_index type Abstraction100002137.
- Tversky_index type Act100030358.
- Tversky_index type Action100037396.
- Tversky_index type Choice100161243.
- Tversky_index type Communication100033020.
- Tversky_index type Decision100162632.
- Tversky_index type Event100029378.
- Tversky_index type Fact106636259.
- Tversky_index type Index106639674.
- Tversky_index type IndexNumbers.
- Tversky_index type Information106634376.
- Tversky_index type Maneuver100168237.
- Tversky_index type Measure100174412.
- Tversky_index type Message106598915.
- Tversky_index type Move100165942.
- Tversky_index type PsychologicalFeature100023100.
- Tversky_index type StringSimilarityMeasures.
- Tversky_index type YagoPermanentlyLocatedEntity.
- Tversky_index comment "The Tversky index, named after Amos Tversky, is an asymmetric similarity measure on sets that compares a variant to a prototype. The Tversky index can be seen as a generalization of Dice's coefficient and Tanimoto coefficient.For sets X and Y the Tversky index is a number between 0 and 1 given by ,Here, denotes the relative complement of Y in X.Further, are parameters of the Tversky index. Setting produces the Tanimoto coefficient; setting produces Dice's coefficient.".
- Tversky_index label "Tversky index".
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- Tversky_index sameAs Q7857364.
- Tversky_index sameAs Q7857364.
- Tversky_index sameAs Tversky_index.
- Tversky_index wasDerivedFrom Tversky_index?oldid=570239140.
- Tversky_index isPrimaryTopicOf Tversky_index.