Helder Pinto

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Public-display systems are still far from being a medium for meeting people's diverse communication goals. Moving toward open displays will require publication paradigms that can overcome the challenges of meaningful engagement and enable users to fully understand and control the publication process. The metaphors of pins and posters have inspired two(More)
Corpus Christi, TX, is a Gulf Coast city with high humidity levels year-round. There is little available data on mite species in mattress dust, allergen levels, and sensitization to different mite species in allergic patients. This study was designed to determine skin sensitization and specific serum IgE to Dermatophagoides spp. and Blomia tropicalis in(More)
BACKGROUND Co-sensitization to house dust mites (HDMs) and storage mites (SMs) is very frequent, although the clinical relevance is not well established. OBJECTIVE To describe the pattern of sensitization and immunologic characterization of patients with positive skin prick test reactions to HDMs and SMs in 4 areas of Spain, selected according to high(More)
BACKGROUND Seafood allergy has been related to mite sensitization, mainly mediated by the muscle protein tropomyosin. OBJECTIVES To determine the correlation between seafood hypersensitivity and mite sensitization (Dermatophagoides pteronyssinus and Chortoglyphus arcuatus, a highly prevalent storage mite in Spain) and to investigate the implication of(More)
The ability to engage users in content generation is both a major goal and a major challenge for public displays. While previous work has extensively explored the specific challenges associated with interaction processes, little attention has been paid to the broad range of issues that go beyond interaction itself. More specifically, public display systems(More)
This paper describes our experience with the use of Universal Description, Discovery and Integration (UDDI) technology for supporting location-based service discovery. Our goal is to allow Web Services to be associated with physical locations and then queried according to spatial criteria. This would enable location-based applications to use local UDDI(More)
This paper presents an interaction model for pervasive computing environments supporting localized activities, i.e., activities strongly associated to a specific physical environment. We are particularly interested in activities performed by occasional visitors to public spaces. This interaction model is characterized by an activity-centered approach to(More)
This paper describes an ongoing research on the issues of interoperability and seamless integration between a global user environment and the ubiquitous computing environments corresponding to the physical locations visited by that user. The novel concept of Value ADded Environment (Vade) is introduced as an administrative and physical domain, where the(More)
Users moving between different ubiquitous computing environments should be able to take a full profit of the resources existent there, if their home environment (e.g. a mobile portal) could seamlessly integrate with local infrastructure. Pursuing such goal, this paper focuses on the aspects of integrating local applications and services into an external(More)