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Advanced Internet Based Systems and Applications: Second by Ernesto Damiani, Kokou Yetongnon, Richard Chbeir, Albert

By Ernesto Damiani, Kokou Yetongnon, Richard Chbeir, Albert Dipanda

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Extra resources for Advanced Internet Based Systems and Applications: Second International Conference on Signal-Image Technology and Internet-Based Systems, SITIS 2006, Hammamet, ... Applications, incl. Internet Web, and HCI)

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For any attribute value vi ∈ Di , ρPKi (vi ) = 0 means that fuzzy entity e violates property pi and ρPKi (vi ) = 1 means that this entity verifies fully the property. The number vi is the value of the attribute 46 R. Bouaziz and S. Chakhar of entity e on which the property pi is defined. m ρPKi (vi ) is supposed to be equal to 1 but the user may explicitly provide a value less than 1. More generally, the value of ρPKi (vi ) represents the extent to which entity e verifies property pi of fuzzy class K.

In [3], an ontology infrastructure for semantic annotation of objects in car racing and football sports video is presented. [2] presents an annotation engine that uses reasoning algorithms to automatically annotate and retrieve events in football video. A rule-based system for automatic annotation of videos is presented in [5]. Despite the number of existing efforts, the problem of comprehensively discerning multimedia genres has not been completely solved yet. In fact, it is difficult to analytically define the concept of genre, and any attempt at explicitly defining it ends up being subjective and domain dependent.

Are more spread) over the initial classes contribute with a higher number of initial clusters, while those with lower ratio contribute with a lower number. In particular, we use the following function with these properties: ρ(Σ, μ) = [1 + (CMAX − 1)(1 − e − T r(Σ) n· µ 2 )], (2) n 2 i=1 σi,i . where ρ(Σ, μ) ∈ (1, CMAX ] and T r(Σ) = The initial positions of the clusters for the F CM are chosen randomly in the hyper-region expressed by: n a· i=1 (xi − μi )2 ≤ 1, 2 σi,i (3) which denotes the ellipsoid having semi-axis lengths li = 1/2, ∀i = 1, .

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