CIIC - Publicações em Atas de Conferências com Peer Review
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- Blind Guide: An Ultrasound Sensor-based Body Area Network for Guiding Blind PeoplePublication . Pereira, António; Nunes, Nelson; Vieira, Daniel; Costa, Nuno; Fernandes, Hugo; Barroso, JoãoWireless Sensor Networks, in particular Wireless Body Area Networks, is a technology suggested by the research community as allowing elderly people, or people with some kind of disability, to live in a safer, responsive and comfortable environment while at their homes. One of the most active threats to the autonomous life of blind people is the quantity and variety of obstacles they face while moving, whether they are obstacles in the footpath or obstacles coming out from the walls of buildings. Hence, it is necessary to develop a solution that helps or assists blind people while moving either in indoor or outdoor scenarios, simultaneously allowing the use of the use of white cane or the Seeing Eye dog. In this article, the authors propose the use of an ultra-sound based body area network for obstacle detection and warning as a complementary and effective solution for aiding blind people when moving from place to place. According to the cost estimates of the solution and to the negligible setup time, this could be a real effective complementary solution for blind people.
- Filtering Email Addresses, Credit Card Numbers and Searching for Bitcoin Artifacts with the Autopsy Digital Forensics SoftwarePublication . Domingues, Patricio; Frade, Miguel; Parreira, João MotaEmail addresses and credit card numbers found on digital forensic images are frequently an important asset in a forensic casework. However, the automatic harvesting of these data often yields many false positives. This paper presents the Forensic Enhanced Analysis (FEA) module for the Autopsy digital forensic software. FEA aims to eliminate false positives of email addresses and credit card numbers harvested by Autopsy, thus reducing the workload of the forensic examiner. FEA also harvests potential Bitcoin public addresses and private keys and validates them by looking into Bitcoin’s blockchain for the transactions linked to public addresses. FEA explores the report functionality of Autopsy and allows exports in CSV, HTML and XLS formats. Experimental results over four digital forensic images show that FEA eliminates as many as of email addresses and of credit card numbers.
- The Influence of Information Systems in the Management of Patients Service in the Hospital of LeiriaPublication . Conceição, Cristiana; Borges, José; Ascenso, Rita M.T.Hospital patients prefer to access the Emergency Department to be treated; this preference leads to some concern by the directors of public hospitals. Though, it is important to understand how consultation management is defined, especially in terms of information technology that can help in patients’ management. Among several Information Systems it was evaluated a specific SMS service, checking if it responded to the patients’ needs, whether patients were satisfied with the service and if it was efficient as expected, to reduce absence in scheduled encounters. So, it was followed a methodology: check faults to medical consultations and rebooking, along October 2014, then conduct questionnaires to patients by telephone, in order to understand if they are satisfied with the SMS service to recall a scheduled medical consultation, and if the service failure has or not to do with their faults. Among 2337 patients that fault in a month, 113 patients were questioned by phone (from 441 selected), 87.6% had received SMS on the mobile phone to alert the consultation day and 79.6% feel satisfied with the messaging service. Thus, the SMS service is expected to have an impact on reducing absence to scheduled consultations once patients are satisfied.