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PS Outing and 'Heel PS bakt' 
On 11 December 2014, PS held its annual winter outing. This time 'PS cooks' was the theme of the program. A delicious 4-course dinner was prepared by the group.

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PS supervisors in USB 2014 Study Tour 
PS staff have accompanied USB 14.0 study tour organized by I.C.T. Study Association Inter-Actief to Brazil. In this trip a number of universities and companies have been visited. Students are supposed to write a scientific article supervised by the research staff and a report about their experience in the study tour.

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Year 1 review of the Sunrise project 
On 4 November 2014, the year 1 review meeting of the SUNRISE project with the EC reviewers took place in Napoli, Italy. The review meeting went successfully and the project project was evaluated excellent in terms of its technical and dissemination achievements.

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Successful exhibition of SenSafety during the COMMIT mid-term event 
On 1 and 2 October 2014 the SenSafety project showed several demos during the COMMIT mid-term event “The big future of data”. The event attracted hundreds of people, and many visited our booths. On the booth we showed the overall concept of SenSafety, and in particular we demonstrated the first version of the iLP (intelligent Lamp Post), ad-hoc communication with and between drones, crowd monitoring using camera’s and WiFi, and complex event detection. On the photo the proud crew that took care of the exhibition is shown.

At a separate SenSafety booth Okan Turkes and Wouter van Kleunen demonstrated the possibilities of modern smart phones for public safety. Okan demonstrated an opportunistic network of smart phones using an extremely lightweight ad hoc communication protocol, called Cocoon. Using this network emergency messages can be communicated without the use of any internet connection. Wouter demonstrated an indoor positioning system that was able to track all smart phones of the visitors of the exhibition. Despite the very harsh exhibition environment and the large number of visitors, the system performed well and could position visitors in a few meter meters accurately. The system showed to be highly useful as crowd monitoring tool, exactly showing which parts of the exhibition area were crowded.

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PS PhD Students receive 3 Best Paper Awards in Summer 2014 
In the last few weeks the Pervasive Systems group (EWI/PS) achieved a remarkable record: three (!) papers received the best paper award at three different conferences!

On 27 August 2014, the paper “Online Change Detection for Energy-Efficient Mobile Crowdsensing", presented at the 11th International Conference on Mobile Web Information Systems (MobiWIS 2014) in Barcelona, Spain, won the best paper award. The paper’s authors are: Le Viet Duc, Hans Scholten, and Paul Havinga. The conference is a well-established conference in the domain of Mobile Information Systems, with over 400 visitors. The research presented in this paper is funded by the Dutch SenSafety project. The paper addresses a fundamental new approach in opportunistic sensing with smart phones. The paper was in particular praised because it enables new interactive sensor enabled apps to run efficiently.

On 13 September 2014, the paper “An Efficient Water Flow Control Approach for Water Heaters in Direct Load Control", presented at the 1st International Conference on Engineering, Science, and Technology Innovation in Bali, Indonesia, won the best paper award. The paper deals with a new optimization approach for energy-efficient appliances in homes. The paper’s authors are: Alexander Belov, Nirvana Meratnia, Berend Jan van der Zwaag, and Paul Havinga. The research presented in this paper is funded by the Dutch Go-Green project that deals with energy-efficient homes. The award came with a certificate and a money prize of 1.000.000 IDR.

On 19 September 2014, the paper “A distributed Management scheme for supporting Energy-harvested I/O devices”, presented at the 19th IEEE International Conference on Emerging Technologies and Factory Automation (ETFA'2014) in Barcelona, Spain, won the best paper award. ETFA is the flagship conference on industrial and factory automation, and attracts a large number of visitors (this year more than 800), both from industry and academia. The research presented in the paper is funded by the European project WiBRATE. The paper presents a novel distributed scheme for industrial wireless networks (ISA100) that enables energy-harvested sensor and actuator devices to use the wireless network effectively. The paper’s authors are: Pouria Zand, Kallol Das, Emi Matthews, and Paul Havinga.

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