The world population is aging, especially in Asia and Europe. Rapid aging poses seriously threats and challenges to elder care service. With the development of economy, seniors are visioning quality life expectation. ...
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Intelligent decision support tools using distributed dynamic description logic are proposed. Decision-making methods under uncertainty and semistructured input data are considered. Intelligent decision support in comp...
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ISBN:
(纸本)9781728136028
Intelligent decision support tools using distributed dynamic description logic are proposed. Decision-making methods under uncertainty and semistructured input data are considered. Intelligent decision support in complex computing infrastructures is considered. The formats of semistructured data suitable for decision-making are determined. A formal definition of a new type logic called distributed dynamic descriptive logic is given. The architecture and the general scheme of the proposed approach are determined based on the situational knowledge base with merge into distributed situational knowledge base. The decision support system has an inference mechanism and rules of evolution, and by means of the context switching service planning of the query situation makes decisions. Users of the distributed situational knowledge base can fulfill requests about the current situation of their knowledge base. The interval analog of the hierarchy analysis method for direct decision-making is used.
Software Defined Networking (SDN) provides a flexible way to control heterogeneous network resources, which can effectively manage the space and terrestrial network resources. The controller placement problem is impor...
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ISBN:
(纸本)9781728176505
Software Defined Networking (SDN) provides a flexible way to control heterogeneous network resources, which can effectively manage the space and terrestrial network resources. The controller placement problem is important for SDN-based network, and it is an entirely new challenge in SDN-based space-terrestrial integrated networks (STINs). In this paper, we firstly propose a SDN-based STIN architecture, where integrates the network resources in layers. Then, we formulate the dynamic controller placement problem in the proposed architecture as a mixed non-integer linear programming problem and prove its NP-hardness. After that, we propose an efficient dynamic controller placement and adjustment (DCPA) algorithm with the consideration of comprehensive expense. Finally, we construct the SDN-based STIN system through extending NS3 and evaluate our proposed algorithm with related schemes. The results demonstrate that our DCPA outperforms related proposals in terms of average response time and load balancing.
The proceedings contain 7 papers. The special focus in this conference is on Job Scheduling Strategies for Parallel Processing. The topics include: Reducing the human-in-the-loop component of the scheduling of large H...
ISBN:
(纸本)9783030106317
The proceedings contain 7 papers. The special focus in this conference is on Job Scheduling Strategies for Parallel Processing. The topics include: Reducing the human-in-the-loop component of the scheduling of large HTC workloads;using pilot systems to execute many task workloads on supercomputers;Adaptive simultaneous multi-tenancy for GPUs;stochastic programming approach for resource selection under demand uncertainty;approaching actor-level resource control for akka.
Safety and security are major concerns in the development of Cyber-Physical Systems (CPS). Signal temporal logic (STL) was proposed as a language to specify and monitor the correctness of CPS relative to formalized re...
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ISBN:
(纸本)9781450362825
Safety and security are major concerns in the development of Cyber-Physical Systems (CPS). Signal temporal logic (STL) was proposed as a language to specify and monitor the correctness of CPS relative to formalized requirements. Incorporating STL into a development process enables designers to automatically monitor and diagnose traces, compute robustness estimates based on requirements, and perform requirement falsification, leading to productivity gains in verification and validation activities;however, in its current form STL is agnostic to the input/output classification of signals, and this negatively impacts the relevance of the analysis results. In this paper we propose to make the interface explicit in the STL language by introducing input/output signal declarations. We then define new measures of input vacuity and output robustness that better reflect the nature of the system and the specification intent. The resulting framework, which we call interface-aware signal temporal logic (IA-STL), aids verification and validation activities. We demonstrate the benefits of IA-STL on several CPS analysis activities: (1) robustness-driven sensitivity analysis, (2) falsification and (3) fault localization. We describe an implementation of our enhancement to STL and associated notions of robustness and vacuity in a prototype extension of Breach, a MATLAB (R)/Simulink (R) toolbox for CPS verification and validation. We explore these methodological improvements and evaluate our results on two examples from the automotive domain: a benchmark powertrain control system and a hydrogen fuel cell system.
Scalability of fitness evaluation was the main bottleneck preventing adopting the evolution in the task of logic circuits synthesis since early nineties. Recently, various formal approaches have been introduced to thi...
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ISBN:
(纸本)9783030166694;9783030166700
Scalability of fitness evaluation was the main bottleneck preventing adopting the evolution in the task of logic circuits synthesis since early nineties. Recently, various formal approaches have been introduced to this field to overcome this issue. This made it possible to optimise complex circuits consisting of hundreds of inputs and thousands of gates. Unfortunately, we are facing to the another problem - scalability of representation. The efficiency of the evolutionary optimization applied at the global level deteriorates with the increasing complexity. In this paper, we propose to apply the concept of local resynthesis. Resynthesis is an iterative process based on extraction of smaller sub-circuits from a complex circuit that are optimized locally and implanted back to the original circuit. When applied appropriately, this approach can mitigate the problem of scalability of representation. Our evaluation on a set of nontrivial real-world benchmark problems shows that the proposed method provides better results compared to global evolutionary optimization. In more than 60% cases, substantially higher number of redundant gates was removed while keeping the computational effort at the same level.
Vehicular Ad Hoc Networks (VANETs) provide traffic safety, improve traffic efficiency and present infotainment by sending messages about events on the road. Trust is widely used to distinguish genuine messages from fa...
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ISBN:
(数字)9783030166922
ISBN:
(纸本)9783030166915;9783030166922
Vehicular Ad Hoc Networks (VANETs) provide traffic safety, improve traffic efficiency and present infotainment by sending messages about events on the road. Trust is widely used to distinguish genuine messages from fake ones. However, trust management in VANETs is a challenging area due to their dynamically changing and decentralized topology. In this study, a genetic programming based trust management model for VANETs is proposed to properly evaluate trustworthiness of data about events. A large number of features is introduced in order to take into account VANETs' complex characteristics. Simulations with bogus information attack scenarios show that the proposed trust model considerably increase the security of the network.
The proceedings contain 67 papers. The special focus in this conference is on Business Information Systems. The topics include: Enterprise Computing: A Case Study on Current Practices in SAP Operations;Integration of ...
ISBN:
(纸本)9783030366902
The proceedings contain 67 papers. The special focus in this conference is on Business Information Systems. The topics include: Enterprise Computing: A Case Study on Current Practices in SAP Operations;Integration of Enterprise Modeling and Ontology Engineering as Support for Business/IT-Alignment;Towards Aligning IT and Daily Routines of Older Adults;organizational Challenges of Digitalization Initiatives in Tourism Network Management Organizations;a Configurational Approach to Task-Technology Fit in the Healthcare Sector;ontology-Based Fragmented Company Knowledge Integration: Multi-aspect Ontology Building;Comparing Market Phase Features for Cryptocurrency and Benchmark Stock Index Using HMM and HSMM Filtering;contagion in Bitcoin Networks;towards Blockchain and Semantic Web;data Analytics in the Electronic Games;detecting Brute-Force Attacks on Cryptocurrency Wallets;analyzing Transaction Fees with Probabilistic logicprogramming;an On-Chain Method for Automatic Entitlement Management Using Blockchain Smart Contracts;Study of Factors Related to Grin Cryptocurrency Mining Efficiency with GPUs;towards Blockchain-Based E-Voting Systems;internet of Things and Blockchain Integration: Use Cases and Implementation Challenges;wikipedia as an Information Source on Cryptocurrency Technology;towards Analyzing High Street Customer Trajectories - A Data-Driven Case Study;how Are Negative Customer Experiences Formed? A Qualitative Study of Customers’ Online Shopping Journeys;a Model to Assess Customer Alignment Through Customer Experience Concepts;evaluating the Interdependent Effect for Likert Scale Items;understanding Users’ Preferences for Privacy and Security Features – A Conjoint Analysis of Cloud Storage Services;the Role of Location Dependent Services for the Success of Local Shopping Platforms;Social CRM Services in Digital Marketing Agencies: A Preliminary Study on Service Offerings in Germany.
In this paper some implementation aspects of the continuous-time stabilizing model predictive control (MPC) based on B-spline functions are addressed. Specifically, two problems are discussed: (a) suitable parametriza...
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ISBN:
(纸本)9781728137582
In this paper some implementation aspects of the continuous-time stabilizing model predictive control (MPC) based on B-spline functions are addressed. Specifically, two problems are discussed: (a) suitable parametrization of control variables and (b) intersample satisfaction of constraints. The proposed solution relies on B-spline functions parametrization of the control variable during a continuous-time cost function minimization. The close relation between B-spline curves and their control polygons is utilized for the intersample satisfaction of constraints. Stability of the closed-loop system is standardly ensured through a quasi-infinite horizon approach by means of a terminal cost, a terminal constraint set, and an auxiliary (local) controller.
Due to the lack of a centralized global view on the Traditional IP network, it may cause load imbalance or network congestion. Because of the high economical costs and technical conditions of the migration to full SDN...
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ISBN:
(纸本)9781728176505
Due to the lack of a centralized global view on the Traditional IP network, it may cause load imbalance or network congestion. Because of the high economical costs and technical conditions of the migration to full SDN, network operators prefer partial deployment of SDN-enabled devices in the IP network. An efficient graph partitioning-based TE (GPTE) in hybrid SDN/IP networks is proposed by considering the network topology, in which legacy devices and SDN-enabled devices co-exist. Firstly, GPTE models the partial SDN deployment as a Network Partitioning Problem solved by transforming the original network into its dual, which make the representation applicable to partitioning. Afterwards, GPTE formulates the TE as an Integer Linear programming (ILP) by considering hybrid SDN/IP routing mechanism. Finally, through intensive experiments under different topologies, GPTE can achieve a significant improvements in terms of load balancing performance and can provide better TE capabilities.
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