Forthcoming articles

International Journal of Reasoning-based Intelligent Systems

International Journal of Reasoning-based Intelligent Systems (IJRIS)

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International Journal of Reasoning-based Intelligent Systems (33 papers in press)

Regular Issues

  • A New Reasoning-based Approach for Measuring the Magnetic Field Emitted by Portable Computers   Order a copy of this article
    by Alessia Amelio, Ivo Draganov 
    Abstract: This paper explores a new reasoning-based approach for measuring the extremely low frequency magnetic field emitted by a portable computer. The introduced approach and the widely accepted TCO standard are compared each other. This comparison shows that the well-known magnetic field measurement TCO standard has important limitations and disadvantages. In fact, the new reasoning-based approach obtains measurement results of the extremely low frequency magnetic field which are closer to the working conditions of the portable computers' users. Accordingly, the introduced measurement methodology is more user-centric and should be employed in a future standardization.
    Keywords: magnetic field; measurement; methodology; self-organizing-map; artificial intelligence; pattern recognition; portable computers; standardization; magnetic field; TCO standard.

  • Two-Stage Portfolio Risk Optimization Based on MVO Model   Order a copy of this article
    by Vassil Guliashki, Krassimira Stoyanova 
    Abstract: This paper presents a two-stage portfolio risk optimization based on Markowitzs mean variance optimization (MVO) model. Historical return data for six asset classes are used to calculate the optimal proportions of assets, included in a portfolio, so that the expected return of each asset is no less than in advance given target value. At the first stage optimization procedure is performed, in order to select a limited number of assets among a large assets sample. At the second stage the optimal proportions of selected assets in the portfolio are calculated, minimizing a risk objective function for a given rate of return. Ten optimization problems are solved for different expected rate of return. The optimization is performed by two MATLAB solvers. Finally some conclusions are drawn.
    Keywords: Portfolio optimization; mean variance optimization model; MATLAB.

  • Multimedia-Aided English Online Translation Platform based on Bayesian Theorem   Order a copy of this article
    by Xinfei Wang 
    Abstract: In order to overcome the problems of the traditional online English translation platform, such as low translation efficiency, poor translation accuracy and small translation database capacity, a multimedia aided online English translation platform based on bayesian theorem is designed. The translation platform consists of display layer, permission control layer, logic control layer and data processing layer. This paper introduces bayes' theorem and calculates the probability of translation from English to Chinese. In the design of query module, the translation of search words and thesaurus is selected based on bayes' theorem, and the retrieval method is optimized. Sqlite management system is used to manage the vocabulary data in the vocabulary, so as to complete the design of multimedia assisted English online translation platform. Experimental results show that the translation accuracy of the platform designed in this paper fluctuates in the range of 86-95, and the translation time is always lower than 0.4s, indicating that the platform not only has high translation efficiency and accuracy, but also can complete the translation of large volume data.
    Keywords: machine vision technology; multimedia; English; translation platform; platform construction;.

Special Issue on: CIM-19 Advances in Machine Learning and Intelligent Systems - Challenges and Solutions

  • Demographical Gender Prediction of Twitter Users using Big Data Analytics: An Application of Decision Marketing   Order a copy of this article
    by Sudipta Roy, Bhavya Patel, Debnath Bhattacharyya, Kushal Dhayal, Tai-Hoon Kim, Mamta Mittal 
    Abstract: The use and influence of digital media, particularly social media, have grown in every sphere of life. One of the trendiest social sites is Twitter. Twitter often contains conversation in non-standard language, and thus, it is difficult to analyze in real-time using conventional language processing. Twitter does not accumulate user gender information as do other popular social media platforms. Thus, demographic feature prediction and additional informative content are important for advertising, custom-made marketing and authorized investigation from the social medium. In this study, proposed statistical representation with real-time analysis using big-data technologies is able to predict the gender of Twitter users. Data cleaning, processing, and storage are performed by the big-data technology Apache Hive. Gender prediction is performed using the naive Bayes classifier to address systemic issues, and Apache Hive is used to solve data storage and big-data processing issues. Authors have considered the tweets-only scenario, the other scenario that was used predicts gender by combining the user tweets and the user profile description. To maintain the stability of the amount of training instances used per estimation, we initiate a balanced class formulation using the polynomial Naive Bayes. Another systemic and previously existing problem of features that was assumed to be independent is solved by the proposed method. The proposed customized method is a speedy, easy-to-implement with pre-processing, close to state-of-the-art document text categorization method using big-data technologies. The proposed statistical method produces higher accuracy in gender classification using tweets only and tweets with description compared with other gold-standard methods.
    Keywords: Twitter; Naïve Bayes; Gender Classification; Apache Hive; Perceptron; Logistic Regression;.

  • Energy Efficient Task Scheduling using Adaptive PSO for Cloud Computing   Order a copy of this article
    by Rama Rani, Ritu Garg 
    Abstract: Cloud computing is an important research domain where all computational resources are networked globally and shared to users easily. The cloud service provider (CSP) wants an eco-friendly solution to resolve these issues. To enhance the performance of cloud computing resources, task scheduling is of prime concern. Further, the growth of cloud computing resources leads to a large amount of energy consumption and carbon footprints. Thus, this paper aims to reduce the makespan along with energy consumption for independent tasks. For this purpose, we proposed energy-efficient adaptive particle swarm optimization (EE-APSO) algorithm for independent tasks scheduling decision. Each particle represents a potential solution, and small position value (SPV) rule is used to change the continuous particle position vector to a discrete particle position vector. PSO is made adaptive by varying acceleration coefficients and inertia weight. We also introduced mutation operation to avoid the PSO algorithm getting stuck in local minima and explore the whole search space efficiently. Result analysis demonstrated that our proposed algorithm EE-APSO using SPV rule gives better results than min-min, max-min and genetic algorithm (GA) in terms of makespan and energy consumption.
    Keywords: Cloud Computing; Independent task scheduling; Particle Swarm Optimization; Energy Consumption; Makespan.

  • Deep Learning based Detection and Prediction of Trending Topics from Streaming Data   Order a copy of this article
    by AJEET R.A.M. PATHAK, Manjusha Pandey, Siddharth Rautaray 
    Abstract: Detecting and predicting trending topics from steaming social data has always been the point of active research area in business and research firms to take quick decisions, change marketing strategies and set new goals. Topic modeling is one of the excellent methods to analyse the contents from large collection of documents in an unsupervised manner and it is a popular method used in natural language processing, information retrieval, text processing and many other research domains. In this paper, deep learning based topic modeling technique has been proposed to detect and predict the trending topics from streaming data. The online version of latent semantic analysis with regularization constraints has been designed using long short-term memory network. Specifically, a problem of detecting the topics from streaming media is handled as the minimization of quadratic loss function constrained by ?1 and ?2 regularization. The online learning mechanism supports scalable topic modeling. For topic prediction, sequence-to-sequence long short-term memory network has been designed. Experimentally, significant results have been achieved in terms of query retrieval performance and topic relevance metrics for topic detection on our published dataset. For topic prediction, the results obtained in terms of root mean squared error are also significant.
    Keywords: Deep learning; topic detection; topic prediction; social media data.

Special Issue on: ICCD-2018 Human-Computer Interaction

  • Generalized Linear Orthomorphisms   Order a copy of this article
    by Haiqing HAN, Siru Zhu, Yanqing Dai, Qili MAO, Qin Li, Kang SHI 
    Abstract: In this scientific research paper, the authors have generalized the concept with regard to orthomorphic permutations(called orthomorphisms) over the Galois field. Meanwhile we have gain the enumeration formula of the total generalised linear orthomorphic permutations over the Galois field, which possesses an arbitrary prime number as the characteristic of the prime subfield. So, the local creating algorithm with regard to partial generalised linear orthomorphic permutations over the Galois general fieldis realized. Comparatively speaking, the innovativeness and originality enumeration formula with regard to linear orthomorphisms over a Galois field with characteristic 2 is a special case to contain in our novel fruits over the general field. What is more, the generalised linear orthomorphic permutations have been thoroughly discussed and generated far
    Keywords: P-permutation; Block Cipher; the Branch Number; Generalized Linear Orthomorphism.

  • Multi-Agent-Based Distributed Text Information Filtering Method   Order a copy of this article
    by Wuxue Jiang 
    Abstract: In order to improve the filtration efficiency and precision, and reduce the occupation of network resources in distributed text information filtering system, a kind of Multi-Agent-based text filtering method was designed. Directed by multi-Agent theory and technology, the system structure and working mechanism of distributed text information filtering are presented, which makes detailed design for scheduling responding agent and learning agent. The load balance was implemented by dynamic range adaptive load migration (DRALM). The experiment shows that this filtering method, boasting higher filtering performance, not only has higher filter precision, but processes tasks in many machines effectively balancing computing load.
    Keywords: Multi-Agent System; Text Information Filtering; Distributed System; Open Computing Model; Dynamic Range Adaptive Strategy; Daemon.

  • Modified Jaya algorithm with chaos   Order a copy of this article
    by Mingjing Pei, Shuhao Yu, Maosheng Fu, Xukun Zuo 
    Abstract: Jaya algorithm is a recently developed optimization algorithm, which is a new optimization algorithm designed to solve optimization related problems, it has two random parameters in equations. In the study of this paper, we will introduce chaos into Jaya so as to increase non-repeatability and ergodicity for global optimization. Here, four different chaotic maps are utilized to control random parameters in Jaya. The results show that some chaotic maps can outperform the random parameters in the high dimensional function and the result of the two-dimensional function is almost the same.
    Keywords: Jaya algorithm; Chaos; Global optimization.

  • Hedging Strategy for Commodity Futures Based on SVM-KNN   Order a copy of this article
    by Mei Sun, Rongpu Chen, Yulian Wen, Peiyao Nie 
    Abstract: In view of the problem of excessive exposure in the field of quantitative investment in commodity futures and policy failure in the low volatility market environment, a new quantitative investment strategy using SVM-KNN combined classifier to hedge multi-factor futures is proposed and applied to the management of quantitative fund. The quantitative investment strategy can not only reduce the overall systemic risk of the investment portfolio, but also adapt to the long-term environment of the commodity futures market. The retest data and the results of real trading show that the SVM-KNN based hedging strategy of commodity futures is significantly higher than the traditional CTA trend tracking strategy in the annual rate of return and the SHARP ratio, and the retracting of the cross period is greatly reduced.
    Keywords: Quantitative Investment; Commodity Futures; Multifactor Hedging; Support Vector rn Machine; K-nearest Neighbors.

Special Issue on: ICICT2019 Emerging Technologies for the Internet of Things

  • Estimating Equations under IPW Imputation of Missing Data   Order a copy of this article
    by Hao WU, CuiCui LI, Chen Cheng 
    Abstract: The IPW imputation method is first applied t to compensate for nonresponse. And then, the empirical likelihood (EL) inference is made for estimation equation parameters. It is a nice result obtained in this paper that the limiting distributions of the EL statistics are 2-type distributions under the IPW imputation. Compared with the usual methods, the proposed method is easier to complement and more efficient.
    Keywords: Empirical likelihood; equation estimation; missing data imputation; IPW (inverse probability weighted).

  • Design and Realization of Vehicle Security and Protection System Based on Multi-task Polling Processing   Order a copy of this article
    by Hai-ye Qiao 
    Abstract: As the increasing number of vehicles and more important role of the car in the daily life, the issue of security and protection of the vehicle has attracted more attention. Nowadays, the functions like location, monitor, anti-theft or the medium, low level vehicles are not popularized. Current existed systems have the problems of incomplete functions, unfriendly- user interface which cannot well fulfill the needs from users. This essay introduces the design of vehicle security and protection system based on C/S architecture. This system could realize the functions of remote monitoring, in-car phone call, fatigue driving monitoring, remote security, alarm call, ensuring the vehicle is under surveillance 24 hours a day, so to enhance the safety factor. This system is proved by the test for its stable running, uninterrupted transmission, user-friend interface and strong operability.
    Keywords: Multi-task,Multithreading ,In-car Terminal; GPS; GPRS; C/S.

  • Research on key indicators and regional comparison of green data center   Order a copy of this article
    by Mei Zhang, Fei Feng, Zhi-long Zhang, Jing-hua Wen 
    Abstract: With the rapid development of information technology and the increasing number of information, green data centers are growing in size, and it is used more and more widely, so green index system of the green data center is the key problem to be solved urgently. This paper studied on the basic index system of green data center, with the help of PUE, CEI and TCO index analysis, it is made in depth analysis of the factors affecting the green index of the green data center, then using factor analysis method from the annual average temperature, annual precipitation, air quality index, seismic belt, information transmission enterprise fixed assets, the number of Internet users, power generation, the whole society and the Internet penetration rate of nine aspects, it is built the mathematical model for evaluating the operational advantages of green data center, finally it is finished that quantitative analysis and evaluation, and according to the calculation of the green data center development area comparison results.
    Keywords: Green Data Center; Basic Index System; Green Index System; Regional Comparison; Advantage Evaluation Coefficient.

Special Issue on: EDIS'2017 Modelling as a Service for Designing and Analysing QoS-Oriented Information, Data and Knowledge Systems

  • Mobile agent and ontology approach for web service discovery using QoS   Order a copy of this article
    by Nadia Ben Seghier, Okba Kazar 
    Abstract: Web services are meaningful only if potential users may find and execute them. Universal Description Discovery and Integration (UDDI) help businesses, organizations, and other Web Services providers to discover and reach to the service(s) by providing the URI of the WSDL file. However, it does not offer a mechanism to choose a Web service based on its quality. The standard also lacks of sufficient semantic description in the content of Web services, this lack makes it difficult to find and compose suitable Web services during analysis, search, and matching processes. In addition, a central UDDI suffers from one centralized point problem and the high cost of maintenance. To get around these problems, the authors propose in this paper a novel framework based on mobile agent and metadata catalogue for Web services discovery. Their approach is based on user profile in order to discover appropriate Web services, meeting customer requirements, in less time and taking into account the QoS properties.
    Keywords: semantic Web service; ontology; matchmaking; metadata catalogue; mobile agent; distributed architecture; user profile representation; customer satisfaction; service quality.
    DOI: 10.1504/IJRIS.2019.10023645
  • SCOL: Similarity and Credibility-based Approach for Opinion Leaders Detection in Collaborative Filtering-based Recommender Systems   Order a copy of this article
    by Nassira CHEKKAI, Ilys Chorfi, Souham Meshoul, Badreddine Chekkai, Didier Schwab, Mohamed Belaoued, Amel Ziani 
    Abstract: Recommender Systems (RS) have recently gained significant attention from both research and industrial communities. These systems generate the recommendations of items in one of two ways, namely collaborative or content-based filtering. Collaborative Filtering is a technique used by recommender systems in order to suggest to the user a set of items based on the opinions of other users who share with him the same preferences. One of the key issues in collaborative filtering systems (CFS) is how to generate adequate recommendations for newcomers who rate only a small number of items, a problem known as cold-start user. Another interesting problem is the cold start item when a new item is introduced in the system and cannot be recommended. In this paper, we present a clustering-based approach SCOL that aims to alleviate the cold start challenges; by identifying the most effective opinion leaders among the social network of the CFS. SCOL clustering focuses on the credibility and correlation similarity concepts.
    Keywords: Collaborative Filtering; Recommender Systems; Cold Start Problem; Social Network; Graph Theory; Credibility; Correlation Similarity.

  • Measurement-based Methodology for Modeling the Energy Consumption of Mobile Devices   Order a copy of this article
    by Khalil Ibrahim Hamzaoui, Khalil Ibrahim Hamzaoui, Mohamed Berrajaa, Mohamed Berrajaa, Mostafa Azizi, Mostafa Azizi, Giuseppe Lipari, Giuseppe Lipari, Pierre Boulet, Pierre Boulet 
    Abstract: Energy consumption is the result of interactions between hardware, software, users, and the application environment. Optimization of energy consumption has become crucial, the energy metric is considered a critical metric, so it is important to know how to measure and understand how energy is consumed on mobile devices. Accurate knowledge will allow us to propose different solutions to reduce energy consumption in order to improve the user experience. In this paper we propose an experimental methodology to build a model of the energy consumption of an application. We show in this paper how to build a simple predictive model of the energy consumption of an unconnected application, and a predictive model of a connected application based on precise measurements.
    Keywords: Mobile computing; Operating system; Energy consumption modeling.

Special Issue on: ICCD-2017 Internet of Things, Big Data and Machine Learning

  • Evaluation Research on Green Degree of Equipment Manufacturing Industry Based on Improved Particle Swarm Optimization Algorithm   Order a copy of this article
    by Zhang Li 
    Abstract: In order to improve the sustainable development of equipment manufacturing industry, the improved particle swarm algorithm is applied in evaluating green degree of equipment manufacturing industry. Firstly, the green degree evaluation system of equipment manufacturing industry is constructed, and evaluation index system is established. Secondly, the basic theory of particle swarm algorithm and the improved particle swarm algorithm are studied basing on analysis of disadvantages of traditional particle swarm algorithm. Thirdly, the analysis procedure of improved particle swarm algorithm is designed. Finally, equipment manufacturing industry in a province is used as a researching object, the green degree evaluation of equipment manufacturing industry in this province is carried out, and results show that this algorithm can improve evaluation level of green degree of equipment manufacturing industry.
    Keywords: green degree; equipment manufacturing industry; improved particle swarm algorithm.
    DOI: 10.1504/IJRIS.2020.10023267
  • Network Security Situation Detection of Internet of Things for Smart City Based on Fuzzy Neural Network   Order a copy of this article
    by Qing Liu, Ming ZENG 
    Abstract: in order to ensure the safety of Internet of things for smart city and ensure normal operation of smart city, the network security situation of Internet of things should be monitored correctly for a long time, therefore the fuzzy neutral network with wavelet package and chaos particle swarm algorithm is applied it. Firstly, the basic theory of network security situation of Internet of things for smart city is analyzed, the corresponding mathematical is constructed, and the security situation awareness framework of Internet of things is designed. Secondly, the basic theory of fuzzy neutral network is studied, and the structure of the fuzzy neutral network is designed. Thirdly, the processing method of network security situation data based on wavelet package is constructed. And then training procedure of fuzzy neutral network based on chaos particle swarm algorithm is established, the algorithm procedure is designed. Finally, the simulation analysis is carried out using a smart city as example, and the network security situation of Internet of things for it is monitored correctly, then the network safety can be ensured.
    Keywords: fuzzy neutral network; smart city; Internet of things; network security.

Special Issue on: ICEST'18 Intelligent Sensor Data Processing, Mobile Telecommunications and Air Traffic Control

  • Application Level Extension of Bandwidth Management in Radio Access Network   Order a copy of this article
    by Evelina Pencheva, Ivaylo Atanasov 
    Abstract: Multi-access Edge Computing (MEC) provides processing and storage capabilities of the cloud into the radio access network. In this paper, we study the deployment of bandwidth management service in MEC environment. The bandwidth management service procedures are mapped onto functionality of the control protocol between radio access network and core network. An extension of the bandwidth management service is proposed that enables detecting of packets generated of specific applications and applying the appropriate enforcement actions. The proposed extension is described by typical use cases, information flows, required information, data model, as well as respective application programming interfaces. Models representing the status of bandwidth allocation as seen by the mobile edge application and network are proposed, formally described and verified. Formal model verification enables mathematical demonstration that the proposed extension is consistently implementable.
    Keywords: Quality of service control; Bandwidth management; Application detection and control; Radio access network; Multi-access Edge Computing; Application Programming Interfaces; Data model; Finite state machines.

  • Flight Safety Sensor and Auto-Landing System of Unmanned Aerial System   Order a copy of this article
    by Krume Andreev, Georgi Stanchev 
    Abstract: Over the past decade, there has been a rapid development of Unmanned Aerial Systems (UAS). The trend and current developments lead to an increase in the use of UAS. The operations of UAS and their use significantly increase every day. This article provides solutions and options for introducing a flight safety sensor system and auto-landing system for UAS. The reason is to ensure effective completion of their mission without the involvement of a qualified operator (pilot) in the control station. The problems and characteristics of these systems and the algorithms through which they successfully perform their tasks are analyzed in the article. In the article has been proposed an architectural realization of a flight safety sensor system and an auto- landing system for UAS.
    Keywords: Flight Safety; Sensor System; Technical Condition; Auto-Landing System; Unmanned Aerial System; Conical Scanning; Pseudo-Conical Scanning.

  • Performance of VWM algorithm in the presence of impulse noise and resizing   Order a copy of this article
    by Bojan Prlincevic, Zoran Milivojevic, Stefan Panic 
    Abstract: The first part of this paper describes VWM (Visible Watermarking) algorithm for inserting and removing visible watermark in the image. The second part of this paper describes an experiment in which the image is watermarked with the VWM algorithm,impulse noise is added, and the image quality is improved with the MDB algorithm for filtering. Watermark is removed from noised andfiltered image. Afterwards, an experiment is described in which resizing of the noised watermarked image is performed. Watermark is removed from this image. Finally, a comparative analysis of the results is performed in order to evaluate the efficiency of the applied algorithms. The comparison was performed on the basis of MSE and Similarity. The obtained results are analysed in detail and presented in a tabular and graphical manner.
    Keywords: Visible watermark; Impulsive noise; Filtering; Resizing;.

  • Design and optimization of bio-inspired robotic stochastic search strategy   Order a copy of this article
    by Farhad Maroofkhani 
    Abstract: An autonomous robots search strategy is the set of rules that it employs while looking for targets in its environment. Biological systems (e.g., foraging animals) provide useful inspirations for designing optimal stochastic search algorithms for autonomous robots. Due to the complexity of interaction between the robot and its environment, optimization must performed in high-dimensional parameter space. We analyze the dependence of search efficiency on environmental parameters and robot characteristics using Response Surface Methodology (RSM), a technique originally developed for experimental design. In this study, the efficiency of a strategy focuses on L
    Keywords: Levy walk; Autonomous robots; Swarm robot; Biomimetic; Individual motion; Design of experiments.

  • Influence of optimal pair-wise SUS algorithm on MU-MIMO-OFDM system performance   Order a copy of this article
    by Aleksandra Panajotovic, Nikola Sekulovic, Daniela Milovic 
    Abstract: In this paper we proposed a new user scheduling algorithm, named as optimal pair-wise semi-orthogonal user selection (SUS), for multiuser multiple-input multiple-output orthogonal frequency division multiplexing (MU-MIMO-OFDM) system. Multiuser interferences are canceled applying zero-forcing beamforming (ZFBF) technique with presumption that channel state is perfectly known at transmit side. Simulated throughput and error results demonstrate advantage gain achieved in system performance realized through applying the proposed scheduling algorithm.
    Keywords: FLA; IEEE 802.11ac; MU-MIMO-OFDM; User Scheduling Algorithm; ZFBF.

  • The effect of background and outlier subtraction on the structural entropy of two-dimensional measured data   Order a copy of this article
    by Szilvia Nagy, Brigitta Sziova, Levente Solecki 
    Abstract: For colonoscopy images the main information is in the fine structure of the surface of the bowel or colorectal polyps, similarly to the case of combustion engine cylinder surface scans, where the grooving and wear can be detected from the fine pattern superposed to a cylinder curvature. In both cases appear outliers, colonoscopy images have many reflections, whereas the roughness scanners detect small dust particles as well as the micron scale vibrations from the environment. The method presented in this paper takes care of both the problems using histogram stretching together with a special type of filtering. Also, masks are introduced in order to control the effect of the operators. The effects of the processing steps on the structural entropy of the image is also studied, as structural entropies are used in characterization of the images. By removing the background makes the structural entropies much smaller, and by suppressing the outliers the structural entropies increase.
    Keywords: Image preprocessing; Rényi entropy; structural entropy; colonoscopy; microgeometrical surface.

  • A Fuzzy Decision Maker to Determine Optimal Starting Time of Shiftable Loads in the Smart Grids   Order a copy of this article
    by İsmail Hakkı Altaş, Recep Çakmak 
    Abstract: Smart grid studies have been increased tremendously for past ten years in order to modernize and solve problems of current electrical grids. One of the aim of the smart grids is to react autonomously to the problems in electrical networks by means of artificial intelligence and decision maker. Fuzzy logic based embedded control systems simulate human thoughts and decision making processes. So, fuzzy logic and fuzzy decision makers can be utilized in smart grids for automated system management. In this paper, a fuzzy decision maker has been proposed to manage time-shiftable loads in residences. The proposed fuzzy decision maker determines optimal starting time of time-shiftable loads in residential areas in order to provide balanced power curve and decrease peak load consumptions by scheduling the loads. Design stage of the proposed fuzzy decision maker have been introduced and presented clearly. Finally, a design example has been given to show the decision results.
    Keywords: Fuzzy Logic; Fuzzy Decision Maker; Demand Side Management; Load Scheduling; Smart Grids.

Special Issue on: ICICT2018 Advances in Intelligent Information Communication Technologies

  • Onboard Reasoning and Other Applications of the Logic-Based Approach to the Moving Objects Intelligent Control   Order a copy of this article
    by Andrey Tyugashev 
    Abstract: This article provides the theoretical background and practical case studies of the application of reasoning and other logic-based approaches to the moving objects control. Modern moving objects, both manned and unmanned, utilize computers as their onboard brain. Since planes, spacecraft, cars, trucks and trains must demonstrate flexible and safe behavior in various situations, it seems prospective to use intelligent control means instead of rigid control logic dispersed in a program source code. This article is concerned with the possible implementation of onboard intelligence. In contrast to the popular use of neural networks, the logic-based approach is based on clear and exact control rules with strict responsibility. Thus, formal specification and verification methods can be utilized. The article describes the Real-Time Control Algorithm Logic (RTCAL) for the above-mentioned purposes. We also present case studies of reasoning at the design and operation stages for providing the fault tolerant control of a spacecraft.
    Keywords: Moving objects control; logic; intelligent control; reasoning; Real-Time Control Algorithm; flight control software.

  • Multi-Criteria Clustering-based Recommendation using Mahalanobis distance   Order a copy of this article
    by Mohammed Wasid, Rashid Ali 
    Abstract: There have been significant advances made in the research of recommender systems over the past decades and have been implemented in both industry and academia. Recently, multi-criteria ratings are being incorporated into traditional recommender systems to further improve their quality, especially to handle the data sparsity and cold start issues. However, incorporation of multi-criteria ratings have improved the performance of the recommendation, but at the same time, multidimensionality issue is also arises. This paper presents a clustering based recommendation approach which is used for dealing with the multi-dimensionality issue in multi-criteria recommender systems. Here, we cluster the users based on their individual criteria ratings using K-means cluster-ing and the intra-cluster similarity is computed using Mahalanobis distance measure for neighborhood set gen-eration. This improves the recommendations quality and predictive accuracy of both traditional and clustering-based collaborative recommendations. The Yahoo! Movies dataset was used for testing the approach and the experiment conducted shows promising results.
    Keywords: Recommender systems; RS; Collaborative filtering; CF; Mahalanobis distance; MD; K-Means clustering; Multi-criteria.

  • Fast Algorithm of Image Enhancement based on Multi-Scale Retinex   Order a copy of this article
    by Alexander Zotin 
    Abstract: In this paper, a fast image enhancement algorithm based on Multi-Scale Retinex in HSV color model is presented. The proposed algorithm produces the result similar to the one which uses a nonlinear processing in the HSV color model, but with less computational cost. It uses linear dependencies of RGB colors from the V-component of HSV model. Additionally, to speed up the images processing and enhance the local contrast is suggested to perform Multi-Scale Retinex (MSR) computation only in the low-frequency area obtained by the wavelet transform. Experimental research was performed on more than 100 color images having non-uniform brightness. Different algorithms based on Retinex technology were implemented and their performance was compared. The proposed way of output image color formation allows to reduce processing time by 30-75%, depending on the image size. The experimental data show that the usage of the wavelet transform in proposed MSR algorithm additionally leads to 2-2.8 times increase in processing speed.
    Keywords: Color image enhancement; Retinex; MSR; Multi-Scale Retinex; Color space; HSV; Wavelet transform;.

  • Exchanging Deep knowledge for fault diagnosis using ontologies   Order a copy of this article
    by Xilang Tang, Mingqing Xiao, Bin Hu, Dongqing Pan 
    Abstract: To improve the development efficiency of automated diagnosis equipment (ADE) and ensure the generality of ADE software, this paper proposes a novel method to exchange deep knowledge of systems under diagnosis (SUD) using ontologies. A general framework of knowledge base combining test information model and diagnosis information model is proposed. The diagnosis information model is decomposed into structure model and function model. The structure model describes the connectivity of adjacent components as well as the structural hierarchy, and the function model describes behavior of modules by mapping input signals into output signals. Moreover, the method to locate the fault based on the proposed knowledge base is introduced. Finally, a case study for guiding system of passive-radar guidance missile is carried out to illustrate our proposed method. The practice shows that our method can achieve the object well
    Keywords: fault diagnosis; test; knowledge; ontology; reasoning.

  • Multistage approach for automatic spleen segmentation in MRI sequences   Order a copy of this article
    by Antonia Mihaylova, Veska Georgieva, Plamen Petrov 
    Abstract: Most of the known methods of segmentation of the abdominal organs are not automated for the whole series of images or are semi-automatic and require additional intervention by the user. This is typical for cases where the difference in intensity of the gray level between the subject and the background is small. A typical example of this is the spleen and adjacent tissue in unconstrained MR images. This paper presents a multistage approach for spleen segmentation from MRI-sequences. It is based on segmentation methods such as active contours without edges and k-mean clustering. The proposed approach consists of some basic stages. The first stage is pre-processing, based on image enhancement and morphological operation. Two atlas models are created, which are used in the initial image to define the initial contour at which the segmentation begins. The initial image is semi-automatic segmented using the created atlas models. The sequence is then automatic segmented, dividing it in two parts (before and after the initial middle image) and using the segmentation of the previous image. The proposed approach allows extracting the spleen in the different depth images, which has a variable form and unstable position. The conducted experiments are showing the robustness of the proposed approach. The obtained results demonstrate the effectiveness of the approach for application in screening diagnostics.
    Keywords: Segmentation of Spleen; Segmentation of MRI sequences; Automatic Segmentation.

  • Classification of Radar Non-Homogenous Clutter Based on Statistical Features Using Neural Network   Order a copy of this article
    by Thamir Saeed, Ghufran Hatem, Jafar Abdul Sadah 
    Abstract: This paper presents a robust clutter classifier based on the neural network to assist the radar receiver by choosing optimal constant false alarm rate. Where this classifier has been trained for sixteen class, four radar return distribution with different situations. The return radar signal distributions are Rayleigh, Weibull, lognormal and K- distribution, while the situations are, Signal, Multi-, Closed Multi-target, and clutter edge. Multi-layer perceptron with back-propagation as a neural network with seven features, Mean, Variance, Mode, Kurtosis, Skewness, Median, and Entropy, have been used to classify the return signal. A Least mean square error is used to evaluate the classifier performance. The simulation is evaluated for the Signal to clutter ration from +35dB to -35 dB, with 5-20 neurons of the hidden layer, and 60-360 samples. By performing, the Optimization has been gained by using 240 samples and 20 neurons then lead to 98.1 % return signal classification
    Keywords: Clutter Classifier; CFAR; Radar; and Non-homogenous clutter; statistical Features.

  • Development of a sit-to-stand assistance chair for elderly people   Order a copy of this article
    by Ari Aharari, Won-Seok Yang 
    Abstract: According to the survey on the actual situation of elderly persons at home or nursing home care, the first item after concerning about disease under treatment is Weak legs and difficulties to stand from the chair. Muscle strength further decreases with aging and make feeling burden when standing from chair. Also, people who are suffering from secondary symptoms such as bedsores and keep sitting in a chair for a long time are on the rise. The most burdensome for elderly persons when trying to stand up from the chair is to bear the weight themselves. In this paper, we introduce Rakutateru which is specially designed to support elderly persons to easily stand up from the chair and keep people to more active and independent. We also evaluate the validity of an assist unit which is contained inside the lower part of the Rakutateru surface.
    Keywords: Assist chair; Elderly support chair; Lifting unit.

Special Issue on: EDIS'2017 Modeling as a Service for Designing and Analyzing QoS-Oriented Information, Data and Knowledge Systems

  • Machine Learning Methods Against False Data Injection In Smart Grid   Order a copy of this article
    Abstract: The false data injection in the power grid is a major risk for a good and safety functioning of the smart grid. The False data detection with conventional methods are incapable to detect some false measurements, to remedy this, we have opted to use machine learning which we used Five classifiers to conceive an effective detection (k-nearest neighbor algorithm "KNN", Random trees, Random forest decision trees, multi-layer perceptron and vector support machine). Our analyze are validated by experiments on a physical bus feeding system performed on PSS / in which we have developed a data set for real measurement. Afterward we worked with Matlab software to construct false measurements according to the Jacobean matrix of the state estimation. We tested the collected data with different classification algorithms, which gives good and satisfactory results.
    Keywords: smart grid; state estimation; false data injection; machine learning.