Alberto Vila Tena

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Location coordinates provide interesting context data for various purposes. In the early days location data was mainly connected to emergency services, but nowadays several social and commercial applications can benefit from users' position information. Smartphones may reveal location data directly to application developers, but due to the latest(More)
Polyimides having long poly(ethylene oxide), PEO, moieties in the main chain have been synthesized by a classical two-steps polycondensation method with good yield and high molecular weight. In contrast with previous works on this topic, essentially full conversion of the polyamic acid to polyimide was attained by heating at relatively low temperatures(More)
Many of the most popular Location-Based Services(LBSs) have recently released open APIs for developers in order to extend their services to third party applications. With this strategy, LBSs try to exploit to the maximum the value of location information by helping the fast development of specific context-aware applications involving location. However,(More)
Thermally rearranged (TR) polymers, which are considered the next-generation of membrane materials because of their excellent transport properties and high thermal and chemical stability, are proven to have significant drawbacks because of the high temperature required for the rearrangement and low degree of conversion during this process. We demonstrate(More)
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