Int. J. Interact. Multim. Artif. Intell.最新文献

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Empirical Comparison of Graph-based Recommendation Engines for an Apps Ecosystem 应用生态系统中基于图的推荐引擎的实证比较
Int. J. Interact. Multim. Artif. Intell. Pub Date : 2015-03-01 DOI: 10.9781/ijimai.2015.324
Héctor Cordobés, Luis F. Chiroque, Antonio Fernández, R. G. Leiva, Philippe Morere, L. Ornella, Fernando Pérez, Agustín Santos
{"title":"Empirical Comparison of Graph-based Recommendation Engines for an Apps Ecosystem","authors":"Héctor Cordobés, Luis F. Chiroque, Antonio Fernández, R. G. Leiva, Philippe Morere, L. Ornella, Fernando Pérez, Agustín Santos","doi":"10.9781/ijimai.2015.324","DOIUrl":"https://doi.org/10.9781/ijimai.2015.324","url":null,"abstract":"Recommendation engines (RE) are becoming highly popular, e.g., in the area of e-commerce. A RE offers new items (products or content) to users based on their profile and historical data. The most popular algorithms used in RE are based on collaborative filtering. This technique makes recommendations based on the past behavior of other users and the similarity between users and items. In this paper we have evaluated the performance of several RE based on the properties of the networks formed by users and items. The RE use in a novel way graph theoretic concepts like edges weights or network flow. The evaluation has been conducted in a real environment (ecosystem) for recommending apps to smartphone users. The analysis of the results allows concluding that the effectiveness of a RE can be improved if the age of the data, and if a global view of the data is considered. It also shows that graph-based RE are effective, but more experiments are required for a more accurate characterization of their properties.","PeriodicalId":143152,"journal":{"name":"Int. J. Interact. Multim. Artif. Intell.","volume":"156 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133362351","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
GPGPU Implementation of a Genetic Algorithm for Stereo Refinement GPGPU实现的一种立体细化遗传算法
Int. J. Interact. Multim. Artif. Intell. Pub Date : 2015-03-01 DOI: 10.9781/ijimai.2015.329
Álvaro Arranz, M. Alvar
{"title":"GPGPU Implementation of a Genetic Algorithm for Stereo Refinement","authors":"Álvaro Arranz, M. Alvar","doi":"10.9781/ijimai.2015.329","DOIUrl":"https://doi.org/10.9781/ijimai.2015.329","url":null,"abstract":"During the last decade, the general-purpose computing on graphics processing units Graphics (GPGPU) has turned out to be a useful tool for speeding up many scientific calculations. Computer vision is known to be one of the fields with more penetration of these new techniques. This paper explores the advantages of using GPGPU implementation to speedup a genetic algorithm used for stereo refinement. The main contribution of this paper is analyzing which genetic operators take advantage of a parallel approach and the description of an efficient state- of-the-art implementation for each one. As a result, speed-ups close to x80 can be achieved, demonstrating to be the only way of achieving close to real-time performance.","PeriodicalId":143152,"journal":{"name":"Int. J. Interact. Multim. Artif. Intell.","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114633399","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Mining Web-based Educational Systems to Predict Student Learning Achievements 挖掘基于网络的教育系统来预测学生的学习成绩
Int. J. Interact. Multim. Artif. Intell. Pub Date : 2015-03-01 DOI: 10.9781/ijimai.2015.326
J. D. Campo-Ávila, R. Conejo, F. Ruiz, Rafael Morales Bueno
{"title":"Mining Web-based Educational Systems to Predict Student Learning Achievements","authors":"J. D. Campo-Ávila, R. Conejo, F. Ruiz, Rafael Morales Bueno","doi":"10.9781/ijimai.2015.326","DOIUrl":"https://doi.org/10.9781/ijimai.2015.326","url":null,"abstract":"Educational Data Mining (EDM) is getting great importance as a new interdisciplinary research field related to some other areas. It is directly connected with Web-based Educational Systems (WBES) and Data Mining (DM, a fundamental part of Knowledge Discovery in Databases). The former defines the context: WBES store and manage huge amounts of data. Such data are increasingly growing and they contain hidden knowledge that could be very useful to the users (both teachers and students). It is desirable to identify such knowledge in the form of models, patterns or any other representation schema that allows a better exploitation of the system. The latter reveals itself as the tool to achieve such discovering. Data mining must afford very complex and different situations to reach quality solutions. Therefore, data mining is a research field where many advances are being done to accommodate and solve emerging problems. For this purpose, many techniques are usually considered. In this paper we study how data mining can be used to induce student models from the data acquired by a specific Web-based tool for adaptive testing, called SIETTE. Concretely we have used top down induction decision trees algorithms to extract the patterns because these models, decision trees, are easily understandable. In addition, the conducted validation processes have assured high quality models.","PeriodicalId":143152,"journal":{"name":"Int. J. Interact. Multim. Artif. Intell.","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129569809","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Auto-adaptative Robot-aided Therapy based in 3D Virtual Tasks controlled by a Supervised and Dynamic Neuro-Fuzzy System 基于监督动态神经模糊系统控制的三维虚拟任务的自适应机器人辅助治疗
Int. J. Interact. Multim. Artif. Intell. Pub Date : 2015-03-01 DOI: 10.9781/ijimai.2015.328
L. D. Lledó, A. Bertomeu, Jorge A. Díez, F. Badesa, R. Morales, J. Sabater, Nicolás García Aracil
{"title":"Auto-adaptative Robot-aided Therapy based in 3D Virtual Tasks controlled by a Supervised and Dynamic Neuro-Fuzzy System","authors":"L. D. Lledó, A. Bertomeu, Jorge A. Díez, F. Badesa, R. Morales, J. Sabater, Nicolás García Aracil","doi":"10.9781/ijimai.2015.328","DOIUrl":"https://doi.org/10.9781/ijimai.2015.328","url":null,"abstract":"This paper presents an application formed by a classification method based on the architecture of ART neural network (Adaptive Resonance Theory) and the Fuzzy Set Theory to classify physiological reactions in order to automatically and dynamically adapt a robot-assisted rehabilitation therapy to the patient needs, using a three-dimensional task in a virtual reality system. Firstly, the mathematical and structural model of the neuro-fuzzy classification method is described together with the signal and training data acquisition. Then, the virtual designed task with physics behavior and its development procedure are explained. Finally, the general architecture of the experimentation for the auto-adaptive therapy is presented using the classification method with the virtual reality exercise.","PeriodicalId":143152,"journal":{"name":"Int. J. Interact. Multim. Artif. Intell.","volume":"194 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121081619","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
An Effective Approach for Mobile ad hoc Network via I-Watchdog Protocol 一种基于i -看门狗协议的移动自组网有效方法
Int. J. Interact. Multim. Artif. Intell. Pub Date : 2014-12-26 DOI: 10.9781/ijimai.2014.315
Nidhi Lal
{"title":"An Effective Approach for Mobile ad hoc Network via I-Watchdog Protocol","authors":"Nidhi Lal","doi":"10.9781/ijimai.2014.315","DOIUrl":"https://doi.org/10.9781/ijimai.2014.315","url":null,"abstract":"Mobile ad hoc network (MANET) is now days become very famous due to their fixed infrastructure-less quality and dynamic nature. They contain a large number of nodes which are connected and communicated to each other in wireless nature. Mobile ad hoc network is a wireless technology that contains high mobility of nodes and does not depend on the background administrator for central authority, because they do not contain any infrastructure. Nodes of the MANET use radio wave for communication and having limited resources and limited computational power. The Topology of this network is changing very frequently because they are distributed in nature and self- configurable. Due to its wireless nature and lack of any central authority in the background, Mobile ad hoc networks are always vulnerable to some security issues and performance issues. The security imposes a huge impact on the performance of any network. Some of the security issues are black hole attack, flooding, wormhole attack etc. In this paper, we will discuss issues regarding low performance of Watchdog protocol used in the MANET and proposed an improved Watchdog mechanism, which is called by I-Watchdog protocol that overcomes the limitations of Watchdog protocol and gives high performance in terms of throughput, delay.","PeriodicalId":143152,"journal":{"name":"Int. J. Interact. Multim. Artif. Intell.","volume":"93 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123819971","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 38
Assessing Road Traffic Expression 评估道路交通表现
Int. J. Interact. Multim. Artif. Intell. Pub Date : 2014-12-01 DOI: 10.9781/IJIMAI.2014.313
Fábio Silva, Cesar Analide, P. Novais
{"title":"Assessing Road Traffic Expression","authors":"Fábio Silva, Cesar Analide, P. Novais","doi":"10.9781/IJIMAI.2014.313","DOIUrl":"https://doi.org/10.9781/IJIMAI.2014.313","url":null,"abstract":"Road traffic is a problem which is increasing in cities with large population. Unrelated to this fact the number of portable and wearable devices has also been increasing throughout the population of most countries. With this advent, the capacity to monitor and register data about people habits and locations as well as more complex data such as intensity and strength of movements has created an opportunity to contribute to the general wealth and comfort within these environments. Ambient Intelligence and Intelligent Decision Making processes can benefit from the knowledge gathered by these devices to improve decisions on everyday tasks such as deciding navigation routes by car, bicycle or other means of transportation and avoiding route perils. The concept of computational sustainability may also be applied to this problem. Current applications in this area demonstrate the usefulness of real time system that inform the user of certain conditions in the surrounding area. On the other hand, the approach presented in this work aims to describe models and approaches to automatically identify current states of traffic inside cities and use methods from computer science to improve overall comfort and the sustainability of road traffic both with the user and the environment in mind. Such objective is delivered by analyzing real time contributions from those mobile ubiquitous devices to identifying problematic situations and areas under a defined criteria that have significant influence towards a sustainable use of the road transport infrastructure.","PeriodicalId":143152,"journal":{"name":"Int. J. Interact. Multim. Artif. Intell.","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126937168","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 15
Design of a Mutual Exclusion and Deadlock Algorithm in PCBSD - FreeBSD PCBSD - FreeBSD中互斥死锁算法的设计
Int. J. Interact. Multim. Artif. Intell. Pub Date : 2014-12-01 DOI: 10.9781/ijimai.2014.316
L. C. Acosta, C. A. O. Acosta, Nancy Yaneth Gelvez García, Oswaldo Alberto Romero Villalobos
{"title":"Design of a Mutual Exclusion and Deadlock Algorithm in PCBSD - FreeBSD","authors":"L. C. Acosta, C. A. O. Acosta, Nancy Yaneth Gelvez García, Oswaldo Alberto Romero Villalobos","doi":"10.9781/ijimai.2014.316","DOIUrl":"https://doi.org/10.9781/ijimai.2014.316","url":null,"abstract":"This paper shows the implementation of mutual exclusion in PCBSD-FreeBSD operating systems on SMPng environments, providing solutions to problems like investment priority, priority propagation, interlock, CPU downtime, deadlocks, between other. Mutex Control concept is introduced as a solution to these problems through the integration of the scheduling algorithm of multiple queues fed back and mutexes.","PeriodicalId":143152,"journal":{"name":"Int. J. Interact. Multim. Artif. Intell.","volume":"439 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125757695","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Sphericall: A Human/Artificial Intelligence interaction experience Sphericall:人类/人工智能交互体验
Int. J. Interact. Multim. Artif. Intell. Pub Date : 2014-12-01 DOI: 10.9781/ijimai.2014.317
Franck Gechter, Bruno Ronzani, F. Rioli
{"title":"Sphericall: A Human/Artificial Intelligence interaction experience","authors":"Franck Gechter, Bruno Ronzani, F. Rioli","doi":"10.9781/ijimai.2014.317","DOIUrl":"https://doi.org/10.9781/ijimai.2014.317","url":null,"abstract":"Multi-agent systems are now wide spread in scientific works and in industrial applications. Few applications deal with the Human/Multi-agent system interaction. Multi-agent systems are characterized by individual entities, called agents, in interaction with each other and with their environment. Multi- agent systems are generally classified into complex systems categories since the global emerging phenomenon cannot be predicted even if every component is well known. The systems developed in this paper are named reactive because they behave using simple interaction models. In the reactive approach, the issue of Human/system interaction is hard to cope with and is scarcely exposed in literature. This paper presents Sphericall, an application aimed at studying Human/Complex System interactions and based on two physics inspired multi-agent systems interacting together. The Sphericall device is composed of a tactile screen and a spherical world where agents evolve. This paper presents both the technical background of Sphericall project and a feedback taken from the demonstration performed during OFFF Festival in La Villette (Paris).","PeriodicalId":143152,"journal":{"name":"Int. J. Interact. Multim. Artif. Intell.","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123112782","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Neural Networks through Shared Maps in Mobile Devices 通过移动设备共享地图的神经网络
Int. J. Interact. Multim. Artif. Intell. Pub Date : 2014-12-01 DOI: 10.9781/ijimai.2014.314
W. Raveane, María Angélica González Arrieta
{"title":"Neural Networks through Shared Maps in Mobile Devices","authors":"W. Raveane, María Angélica González Arrieta","doi":"10.9781/ijimai.2014.314","DOIUrl":"https://doi.org/10.9781/ijimai.2014.314","url":null,"abstract":"We introduce a hybrid system composed of a convolutional neural network and a discrete graphical model for image recognition. This system improves upon traditional sliding window techniques for analysis of an image larger than the training data by effectively processing the full input scene through the neural network in less time. The final result is then inferred from the neural network output through energy minimization to reach a more precize localization than what traditional maximum value class comparisons yield. These results are apt for applying this process in a mobile device for real time image recognition.","PeriodicalId":143152,"journal":{"name":"Int. J. Interact. Multim. Artif. Intell.","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114791048","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Scene Integration for Online VR Advertising Clouds 面向在线VR广告云的场景集成
Int. J. Interact. Multim. Artif. Intell. Pub Date : 2014-12-01 DOI: 10.9781/ijimai.2014.312
M. Kalochristianakis, M. Zampoglou, Konstantinos Kontakis, K. Kapetanakis, A. Malamos
{"title":"Scene Integration for Online VR Advertising Clouds","authors":"M. Kalochristianakis, M. Zampoglou, Konstantinos Kontakis, K. Kapetanakis, A. Malamos","doi":"10.9781/ijimai.2014.312","DOIUrl":"https://doi.org/10.9781/ijimai.2014.312","url":null,"abstract":"This paper presents a scene composition approach that allows the combinational use of standard three dimensional objects, called models, in order to create X3D scenes. The module is an integral part of a broader design aiming to construct large scale online advertising infrastructures that rely on virtual reality technologies. The architecture addresses a number of problems regarding remote rendering for low end devices and last but not least, the provision of scene composition and integration. Since viewers do not keep information regarding individual input models or scenes, composition requires the consideration of mechanisms that add state to viewing technologies. In terms of this work we extended a well-known, open source X3D authoring tool.","PeriodicalId":143152,"journal":{"name":"Int. J. Interact. Multim. Artif. Intell.","volume":"121 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116245621","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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