Lotfi Ben Romdhane

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Image databases are becoming large and of potential use in many areas, including medical diagnosis, astronomy, and the Web. These images, if analyzed, can reveal useful and potential information. Image indexing is the process of extracting and modeling the content of the image, the image data relationships, or other patterns not explicitly stored. Done this(More)
Several approaches have been proposed for the problem of identifying authoritative actors in online communities. However, the majority of existing methods suffer from one or more of the following limitations: (1) There is a lack of an automatic mechanism to formally discriminate between authoritative and nonauthoritative users. In fact, a common approach to(More)
In this work, we present a framework for the semantic composition of web services based on Statecharts and uniform community service descriptions. Our model is a two step process. In the first step, we derive the execution model of the user's query. The execution model is specified in Statecharts formalism; whereas the user's query is described in OWL-S.(More)