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Exploration of an unknown environment is one of the major applications of Multi-Robot Systems. Many works have proposed multi-robot coordination algorithms to accomplish exploration missions based on multi-agent techniques. Some of these works focus on multi-robot exploration under communication constraints. In this paper, we propose an original way to(More)
Maintaining the network connectivity in mobile Multi-Robot Systems (MRSs) is a key issue in many robotic applications. In our view, the solution to this problem consists of two main steps: (i) making robots aware of the network connectivity; and (ii), making use of this knowledge to plan robots tasks without compromising connectivity. In this paper, we view(More)
Strokes are a major health problem in Vietnam, but to date, there has been no epidemiology survey reporting data in this country. We collected epidemiology data on strokes using a door-to-door survey in 1994-1995 in three different regions of southern Vietnam (one site in a Hô Chi Minh City and two rural areas in the Tiên Giang and Kiên Giang provinces).(More)
—Maintaining the Network Connectivity in Mobile Multi-Robot Systems (MRSs) is a key issue in many robotics applications. In our view, the solution to this problem consists of two steps: (i) making robots aware of the network connectivity; and (ii), making use of this knowledge in order to plan robots tasks without compromising the connectivity. We propose a(More)
The purpose of this research was to evaluate the quality of anti-epileptic drugs (AEDs) in a central city of South Vietnam. A cross-sectional study was conducted in all the outlets for AEDs. Out of 33 pharmacies 54% had AEDs. Where the drugs were available, 89% of the pharmacies, 10 units were purchased, choosing the cheapest ones. The information on the(More)
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