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With computing systems becoming ubiquitous, numerous data sets of extremely large size are becoming available foranalysis. Often the data collected have complex, graph based structures, which makes them difficult to process with traditional tools. Moreover, the irregularities in the data sets, and in the analysis algorithms, hamper the scaling of performance in large distributedhigh-performance systems,...
In recent years, Intelligent Assistant services have come out to respond to user requests or to perform certain functions. These services get the request input from users with natural ways such as voice or text. However, the biggest hurdle of this approach is that it is very difficult for users to know the scope of the service (feature or knowledge) and therefore it is difficult to deliver the right...
In today's military environment large quantities of distinct information are available. In a time-constrained environment it is vital to have some way to judge the relative importance of information. Recent research has developed a fuzzy-based system to assign a Value of Information (VoI) determination for individual pieces of information. Subsequent work presented ideas for integrating complementary...
The paper focuses on the problem of the integrated expert systems with the problem-oriented methodology development and the AT-TECHNOLOGY workbench intellectualization problems. Special operational component intelligent planner controls the development process. The intelligent planner uses automated planning technology techniques in its core. The development of integrated expert system is shown as...
With the explosion of the usage and capabilities of mobile devices, software deployment is getting more and more complicated. In order to tackle the difficulty of achieving adaptive and distributed deployment, a deployment-oriented development process is presented in this paper. While existing deployment methodologies are lack of variability concern, the approach takes advantage of a variability model...
In a multi-stakeholder cloud computing environment, data access control is of essential importance. Nowadays, it is usually handled in and deployed by every single cloud service on its own which makes the configuration of fine-grained access privileges cumbersome and economically expensive. In this paper, we introduce a novel cloud ecosystem architecture featuring an overall lightweight data access...
With the increasing use of online services that require sharing of information there is a need for Privacy Enhancing Technology tailored for personal information control. Commonly, web privacy is handled through matching of privacy policies and user preferences using software agents on the client side. In this paper, we propose a new approach to privacy policy matching we denote server-side matching...
One of the key objectives of a pervasive computing system is to provide appropriate support to enable the user to manage the increasingly complex environment surrounding her. This includes managing the ever-increasing number of devices which can be accessed wirelessly as well as the vast range of services at her disposal. The aim of the Persist project was to develop a pervasive system that would...
Imagine a distributed mediation application consisting of hundreds of thousands of interconnected nodes, collecting data from millions of pervasive sensors, processing data and delivering it to a myriad of business services. This application takes the form of an acyclic, directed graph. Its shape must continually adapt in response to changes in sensor availability, network layout and business objectives...
Team-based distributed software development (TBDSD) is one of the single biggest challenges facing software companies. The need to manage development efforts and resources in different locations increase the complexity and cost of modern day software development. Current software development environments do not provide suitable support to delegate task among teams with appropriate directives. TBDSD...
The notion of a Personal Smart Space (PSS) offers a new and flexible solution to the problem of implementing pervasive systems. Its attractiveness lies not only in the way in which it bridges the gap between conventional fixed smart spaces and mobile ubiquitous systems, but also in the new functionality it can provide to enhance the user experience. The use of PSSs to realize pervasive systems is...
With the rapid development of computing and communication technology and the rising ratio of the aged, the research on elderly care by using smart home has widely aroused attention. Smart home is designated to provide adaptive and personalized service for the users in home environment. This paper aims to realize the personalized services in smart home environment for the elderly based on situation...
Designing and organising large numbers of autonomic resources into a coherent system is a difficult endeavour. It necessitates handling complex interactions among dynamic, heterogeneous components, autonomic managers and human policies. Several architectural models have been proposed for organising these interactions. This paper focuses on a decentralised approach, while also considering two other...
This work focuses on tools for investigating algorithm performance at extreme scale with millions of concurrent threads and for evaluating the impact of future architecture choices to facilitate the co-design of high-performance computing (HPC) architectures and applications. The approach focuses on lightweight simulation of extreme-scale HPC systems with the needed amount of accuracy. The prototype...
In this paper we describe the ATRACO (adaptive and trusted ambient ecologies) approach towards next generation ambient intelligent environments. Several agents, such as a fuzzy task agent with learning capabilities and an interaction agent collaborate in a goal-related activity sphere and adapt heterogeneous artifacts within the sphere in order to support the user to fulfill tasks. All components...
Content adaptation is an attractive and effective solution to resolve the mismatch of resources and properties between the delivery context and the multimedia content in heterogeneous environments. The problem with multimedia content adaptation is that there is no a single complete software solution that can satisfy all types of required adaptation needs. In order to solve this problem adaptation...
There has been tremendous interest in information integration systems that integrate data from multiple information sources on a user's behalf, because the ultimate goal of information integration is to provide some useful data for its users. How to provide a user- friendly and adaptive view for users has become an important topic. In this paper, we present a method, utilizing proxy and context technologies...
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