Abstract: Ubiquitous systems use context information to adapt appliance behavior to human needs. Even more convenience is reached if the appliance foresees the user’s desires and acts proactively. This paper introduces Hidden Markov Models, in order to anticipate the next movement of some persons. The optimal configuration of the model is determined by evaluating some movement sequences of real...

The uncontrolled propagation of faults due to malicious intrusion can severely decrease system performance and survivability. Our goal is to employ available information about known or suspected faults in order to provide collusionavoidance and epidemic-avoidance. We proactively make use of knowledge of faults to notify potentially damaged areas of the system, in order to contain the tainted pa...

The success of personal information agents depends on their capacity to both identify relevant information for users and proactively recommend context-relevant information. In this paper, we propose an approach to enable proactive context-aware recommendation based on the knowledge of both user interests and browsing patterns. The proposed approach analyzes the browsing behavior of users to der...

Securing information is vital for the survival of many organizations. Therefore, information must be proactively secured against harmful attacks. This securing of information becomes more complex when such information is transmitted over networks. This paper identifies five non-technical pillars (essentials) for network security management. For each pillar a number of specific actions are speci...

The purpose of this article is to describe an "At Risk Care Plan." The goal of an At Risk Care Plan is to improve safety and quality care by proactively anticipating individual safety and care needs of patients at risk and to communicate those needs to the health care team. This innovative intervention has dramatically reduced hospital readmissions, costs, and adverse events for high-risk adult...

Session Initiation Protocol (SIP) was standardized for real-time applications and extended to support terminal mobility by Internet Expert Task Force (IETF). However, SIP terminal mobility suffers from the considerable handoff latency which is unsuitable for the real-time communications. In this paper, we propose Predictive Address Reservation with SIP (PAR-SIP) which decreases handoff delay by...

Home automation systems are ambient intelligence systems that are designed to help people proactively, but sensibly. In this paper we propose a system that learns and automates patterns in the interactions of the user with the home automation devices. We will show our approach and architecture. We use an event processing tool to handle the events from the home automation devices, prediction alg...

Architectural patterns have been proposed in many domains as means of capturing recurring design problems that arise in specific design situations. In this paper, we present three architectural patterns that can be applied beneficially in the development of context-aware services platforms. These patterns present solutions for recurring problems associated with managing context information and ...

Use of contraceptive implants has surged in recent years, yet emerging data show a deficit of service delivery capacity and coverage for implant removals. The number of projected removals needed in the 69 FP2020 focus countries in 2018 (4.9–5.8 million) is more than twice that estimated for 2015 (2.2 million). We must proactively plan and execute high-quality implant removal services in order t...

Agents are problem-solving units with well-defined boundaries and interfaces operating in given environments. Agents receive inputs about the state of their environment through their sensors, may change their environment via their actors, have specific goals, control their inner state and actions autonomously, and apply flexible problem-solving algorithms to hit their target, i.e. react upon th...