Towards a UML profile for modeling WAP applications

UML (Unified Modeling Language) is one of the most used languages to specify and document informatics applications. However, UML is a generalpurpose language, so it often lacks of elements to model and represent concrete concepts of specifics domains. As a solution, OMG (Object Management Group) has created the profiles, a mechanism to extend the syntax and semantics of UML to express more specific concepts of certain application domains. In this work we present a UML profile for modeling WAP (Wireless Applications Protocol) applications. The main goal of the proposed profile is to extend UML to provide specifics elements (labeled classes, stereotypes, tagged values and constraints) that allow software developers to modelWAP applications. The expressiveness of the UML diagrams allows modeling important stages of the process of common applications; nevertheless, the modeling process of WAP applications is still a too specific domain that can be hardly dealt with in its entirety without extending the language. In the process exists navigational, design and construction issues that cannot be modeled using the traditional elements of UML. However, by using the specific elements created by the proposed profile, these issues can be completely solved, and even a greater expressiveness can be obtained.Facultad de Informátic

Towards a UML profile for modeling WAP applications

UML (Unified Modeling Language) is one of the most used languages to specify and document informatics applications. However, UML is a generalpurpose language, so it often lacks of elements to model and represent concrete concepts of specifics domains. As a solution, OMG (Object Management Group) has created the profiles, a mechanism to extend the syntax and semantics of UML to express more specific concepts of certain application domains. In this work we present a UML profile for modeling WAP (Wireless Applications Protocol) applications. The main goal of the proposed profile is to extend UML to provide specifics elements (labeled classes, stereotypes, tagged values and constraints) that allow software developers to modelWAP applications. The expressiveness of the UML diagrams allows modeling important stages of the process of common applications; nevertheless, the modeling process of WAP applications is still a too specific domain that can be hardly dealt with in its entirety without extending the language. In the process exists navigational, design and construction issues that cannot be modeled using the traditional elements of UML. However, by using the specific elements created by the proposed profile, these issues can be completely solved, and even a greater expressiveness can be obtained.Facultad de Informátic

First record of Oligosarcus pintoi Campos, 1945 (Characiformes, Characidae) in freshwater courses of Argentina

Actualmente la biodiversidad íctica conocida del Parque Nacional Iguazú comprende 104 especies, de las cuales dos corresponden a especies de “dientudos” del género Oligosarcus: O. longirostris y O. menezesi. En esta contribución se da a conocer una tercera especie de este género registrada dentro de dicho parque: Oligosarcus pintoi. Este nuevo hallazgo es de relevancia porque, además, constituye el primer reporte de esta especie en Argentina en la cuenca del río Paraná medio.Currently the known ichthyological biodiversity of the Iguazú National Park is composed by 104 species, two of which correspond to species of “dientudos” of the genus Oligosarcus: O. longirostris and O. menezesi. In this contribution, it is reported within the Park a third species of that genus: Oligosarcus pintoi. This new finding is relevant because it constitutes the first record of the species both in Argentina and in the middle Paraná River basin.Fil: Almirón, Adriana. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo; ArgentinaFil: Bogan, Sergio. Fundación de Historia Natural Félix de Azara; Argentina. Universidad Maimónides; ArgentinaFil: Cardoso, Yamila Paula. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Laboratorio de Sistemática y Biología Evolutiva; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; ArgentinaFil: Ciotek, Liliana. Administración de Parques Nacionales; ArgentinaFil: Giogis, Pablo. Administración de Parques Nacionales; ArgentinaFil: Casciotta, Jorge Rafael. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo; Argentina. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas; Argentin

Seed hydration treatments in lettuce (Lactuca sativa L.) and other species in relation to longevity and seed quality

SIGLEAvailable from British Library Document Supply Centre- DSC:DX177873 / BLDSC - British Library Document Supply CentreGBUnited Kingdo