background:environment destroyed and reduce the living place especially in urban place  become an important mater these days ,improving environment need a lot of think together like economic, realigns and environment  changes ,urban tourism is one of the most  important and complicate behavior in town. objective: in researchers look tourism have a large effect on economic, realign and social be...

Background:Environment destroyed and reduce the living place especially in urban place  become an important mater these days ,improving environment need a lot of think together like economic, realigns and environment  changes ,urban tourism is one of the most  important and complicate behavior in town. Objective: In researchers look tourism have a large effect on economic, realign and social be...

Background:Environment destroyed and reduce the living place especially in urban place  become an important mater these days ,improving environment need a lot of think together like economic, realigns and environment  changes ,urban tourism is one of the most  important and complicate behavior in town. Objective: In researchers look tourism have a large effect on economic, realign and social be...

We are developing a system to help users improve the quality of their sleep by monitoring environmental factors that disrupt sleep and providing feedback. This system, called Lullaby, has several design goals. Lullaby’s sensor suite should be practical for deployment into bedrooms: it must be unobtrusive, inexpensive, and respect users’ privacy in this sensitive context. Lullaby should identify...