Location-based Services (LBSs) are mobile services for providing information that has been created, compiled, selected or filtered under consideration of the users' current locations or those of other persons or mobile devices. Typical examples are restaurant finders, buddy trackers, navigation services or applications in the areas of mobile marketing and mobile gaming. The attractiveness of LBSs is due to the fact that users are not required to enter location information manually but are aut...

Engineering Mechanics of Composite Materials, 2/e analyzes the behavior and properties of composite materials-rigid, high-strength, lightweight components that can be used in infrastructure, aircraft, automobiles, biomedical products, and a myriad of other goods. This edition features additional exercises and new material based on the author's research and advances in the field.

LES exercices de grammaire niveau A2 propose :- une démarche d'observation et de découverte de la règle, associée à un entraînement intensif- plus de 500 exercices avec des contenus conformes au référentiel du niveau A1 du Cadre européen commun de référence.Pour chaque chapitre : - des corpus accompagnés d'activités simples pour faire deviner la règle,- des illustrations pour faciliterla compréhension,- des exercices variés, progressifs et contextualisés,- un vocabulaire adap...