International Conference on Network, Communication and Computing最新文献

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Analysis on the Effect of Term-Document's Matrix to the Accuracy of Latent-Semantic-Analysis-Based Cross-Language Plagiarism Detection 术语-文档矩阵对基于潜在语义分析的跨语言剽窃检测准确性的影响分析
International Conference on Network, Communication and Computing Pub Date : 2016-12-17 DOI: 10.1145/3033288.3033300
A. A. P. Ratna, F. A. Ekadiyanto, Mardiyah, Prima Dewi Purnamasari, Muhammad Salman
{"title":"Analysis on the Effect of Term-Document's Matrix to the Accuracy of Latent-Semantic-Analysis-Based Cross-Language Plagiarism Detection","authors":"A. A. P. Ratna, F. A. Ekadiyanto, Mardiyah, Prima Dewi Purnamasari, Muhammad Salman","doi":"10.1145/3033288.3033300","DOIUrl":"https://doi.org/10.1145/3033288.3033300","url":null,"abstract":"This paper presents the results of experimental investigation on the impact of term-document matrix variations to the accuracy of cross-language LSA-based plagiarism detection. The experiment was focusing in comparing Indonesian and English papers. The increase of document definition size as the source of matrix construction significantly caused negative impact to the detection accuracy in all scenarios. The results of the experiments showed that the document definition size must be kept below 10 in order to maintain high accuracy, and reached its worst performance at 25. Additionally, the implementation of term-document matrix using the frequency of word's occurrence was found beneficial to the improvement of detection accuracy compared to the binary implementation using simply the existence/absence of words.","PeriodicalId":253625,"journal":{"name":"International Conference on Network, Communication and Computing","volume":"2005 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128295263","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
An MCMC Based Course to Teaching Assistant Allocation 基于MCMC的课程教学助理分配
International Conference on Network, Communication and Computing Pub Date : 2016-12-17 DOI: 10.1145/3033288.3033297
Saurabh Kumar, Shana Moothedath, P. Chaporkar, M. Belur
{"title":"An MCMC Based Course to Teaching Assistant Allocation","authors":"Saurabh Kumar, Shana Moothedath, P. Chaporkar, M. Belur","doi":"10.1145/3033288.3033297","DOIUrl":"https://doi.org/10.1145/3033288.3033297","url":null,"abstract":"Allotting Teaching Assistants (TAs) to courses is a common task at university centers which typically demands a good amount of human effort. We propose a method to allocate using computer algorithm. The presence of conflicting constraints, posed by requirements which determine tradeoff among them tend to make this problem difficult to solve. This is essentially a matching problem and in this paper has been modeled as a Markov Chain of various intermediate allotments. Later we perform simple Monte-Carlo simulations over a naive bucket filling allotment. This leads us to a globally optimal allotment with a promise of faster convergence.","PeriodicalId":253625,"journal":{"name":"International Conference on Network, Communication and Computing","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122074856","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: 0
Effect of Doppler Shift on the MIMO-OFDM Systems in Troposcatter Fading Channels 对流层散射衰落信道中多普勒频移对MIMO-OFDM系统的影响
International Conference on Network, Communication and Computing Pub Date : 2016-12-17 DOI: 10.1145/3033288.3033315
Zedong Xie, Xihong Chen, Xiaopeng Liu
{"title":"Effect of Doppler Shift on the MIMO-OFDM Systems in Troposcatter Fading Channels","authors":"Zedong Xie, Xihong Chen, Xiaopeng Liu","doi":"10.1145/3033288.3033315","DOIUrl":"https://doi.org/10.1145/3033288.3033315","url":null,"abstract":"In troposcatter communication systems based on multiple input multiple output-orthogonal frequency division multiplexing (MIMO-OFDM), both channel estimation error and Doppler shift exist inherently. To investigate the Doppler shift effect, an improved time-varying multipath channel model is built. Zero-forcing (ZF) detection and approximation method of Wishart distribution are adopted to calculate the signal to interference plus noise ratio (SINR) of the system and its probability distribution. Then, SINR is used to analyze the average error rate in the presence of both channel estimation error and Doppler shift. The simulated results show that, in troposcatter fading channels, Doppler shift has little influence on the performance of the bite error rate (BER) in the presence of relatively small estimation error. However, with larger estimation error, a slight Doppler shift influences the system performance significantly, and a large Doppler shift has little effect on the system. Moreover, the BER performance is also investigated when low density parity check (LDPC) channel codes are used.","PeriodicalId":253625,"journal":{"name":"International Conference on Network, Communication and Computing","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114817167","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
Fault Tolerance for Web Service Based on Component Importance in Service Networks 业务网络中基于组件重要性的Web服务容错
International Conference on Network, Communication and Computing Pub Date : 2016-12-17 DOI: 10.1145/3033288.3033328
Lu Chen, Lianchen Liu, Jiaxing Shang
{"title":"Fault Tolerance for Web Service Based on Component Importance in Service Networks","authors":"Lu Chen, Lianchen Liu, Jiaxing Shang","doi":"10.1145/3033288.3033328","DOIUrl":"https://doi.org/10.1145/3033288.3033328","url":null,"abstract":"Service Oriented Architecture (SOA) is a widely used computing model in heterogeneous network environment. In the study of SOA, the reliability of Web Service Composition is a key issue concerned by researchers and many previous studies have focused on the optimization of fault-tolerance strategies. In this paper we make a comparison between service networks and complex networks, and then apply the node ranking algorithms in complex networks to service networks. Two algorithms are proposed: PageRank based Service Component Ranking Algorithm (PSCR) and HITS based Service Component Ranking Algorithm (HSCR). With PSCR and HSCR, service components are ranked and those with higher PageRank or HITS values will be chosen to have stronger fault-tolerance abilities in order to improve the reliability with a low cost. Experimental results on a real-world dataset show that PSCR and HSCR algorithms perform better than other component ranking algorithms.","PeriodicalId":253625,"journal":{"name":"International Conference on Network, Communication and Computing","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114465270","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
Spatial-Temporal Based Traffic Speed Imputation for GPS Probe Vehicles 基于时空的GPS探测车交通速度估算
International Conference on Network, Communication and Computing Pub Date : 2016-12-17 DOI: 10.1145/3033288.3033339
Jun-Dong Chang
{"title":"Spatial-Temporal Based Traffic Speed Imputation for GPS Probe Vehicles","authors":"Jun-Dong Chang","doi":"10.1145/3033288.3033339","DOIUrl":"https://doi.org/10.1145/3033288.3033339","url":null,"abstract":"Due to the growth of vehicular network and big data analytics, missing data of traffic detector devices become a serious problem in analytics and applications of intelligent transportation systems. The purpose of data imputation is to complete the shortage of traffic data. In this paper, a spatial-temporal based data imputation for GPS probe vehicle in intelligent transportation systems is proposed. In the proposed system, GPS data with speed of vehicles are located into the map within corresponding road segments by GPS coordinates using R+-tree and Dijkstra's algorithm. Then, spatial features are extracted from the current road segment and its two neighboring segments' speeds, and temporal features are extracted from the current time sector, weekday, and speeds of the current road segment in 5 and 10 minutes ago, respectively. After that, each model of road segment is trained by support vector regression with spatial-temporal features for data imputation. Experimental results show that the proposed scheme is better than Gaussian processing with time series feature at different missing rates.","PeriodicalId":253625,"journal":{"name":"International Conference on Network, Communication and Computing","volume":"73 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131673478","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
Feature Fusion Methods for Robust Speech Emotion Recognition Based on Deep Belief Networks 基于深度信念网络的鲁棒语音情感识别特征融合方法
International Conference on Network, Communication and Computing Pub Date : 2016-12-17 DOI: 10.1145/3033288.3033295
Ao Wu, Yongming Huang, Guobao Zhang
{"title":"Feature Fusion Methods for Robust Speech Emotion Recognition Based on Deep Belief Networks","authors":"Ao Wu, Yongming Huang, Guobao Zhang","doi":"10.1145/3033288.3033295","DOIUrl":"https://doi.org/10.1145/3033288.3033295","url":null,"abstract":"The speech emotion recognition accuracy of prosody feature and voice quality feature declines with the decrease of SNR (Signal to Noise Ratio) of speech signals. In this paper, we propose novel sub-band spectral centroid weighted wavelet packet cepstral coefficients (W-WPCC) for robust speech emotion recognition. The W-WPCC feature is computed by combining the sub-band energies with sub-band spectral centroids via a weighting scheme to generate noise-robust acoustic features. And Deep Belief Networks (DBNs) are artificial neural networks having more than one hidden layer, which are first pre-trained layer by layer and then fine-tuned using back propagation algorithm. The well-trained deep neural networks are capable of modeling complex and non-linear features of input training data and can better predict the probability distribution over classification labels. We extracted prosody feature, voice quality features and wavelet packet cepstral coefficients (WPCC) from the speech signals to combine with W-WPCC and fused them by Deep Belief Networks (DBNs). Experimental results on Berlin emotional speech database show that the proposed fused feature with W-WPCC is more suitable in speech emotion recognition under noisy conditions than other acoustics features and proposed DBNs feature learning structure combined with W-WPCC improve emotion recognition performance over the conventional emotion recognition method.","PeriodicalId":253625,"journal":{"name":"International Conference on Network, Communication and Computing","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130324999","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
A Kind of De-noising and Segmentation Method for Hollow CAPTCHAs with Noise Arcs 一种含噪声弧线的空心验证码去噪分割方法
International Conference on Network, Communication and Computing Pub Date : 2016-12-17 DOI: 10.1145/3033288.3033353
Zhao Wang, Yuan Xi
{"title":"A Kind of De-noising and Segmentation Method for Hollow CAPTCHAs with Noise Arcs","authors":"Zhao Wang, Yuan Xi","doi":"10.1145/3033288.3033353","DOIUrl":"https://doi.org/10.1145/3033288.3033353","url":null,"abstract":"While many text-based CAPTCHA schemes have been broken, hollow CAPTCHAs as a new technology have been used by many websites. The generation method of currently used hollow CAPTCHAs is investigated, we found there is color difference between the boundary of characters contour lines and noise arcs. An algorithm of noise arcs removal to deal with this vulnerability is proposed. Furthermore, a de-noising and segmentation scheme for hollow CAPTCHAs with noise arcs is presented. The scheme is verified by the real CAPTCHA data from the website Sina Weibo. The success segmentation rate is 77%. Finally, some advice is given to improve the design of hollow CAPTCHA.","PeriodicalId":253625,"journal":{"name":"International Conference on Network, Communication and Computing","volume":"156 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114433047","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: 0
Comparison of Neural Networks Based Direct Inverse Control Systems for a Double Propeller Boat Model 基于神经网络的双螺旋桨船模型直接逆控制系统比较
International Conference on Network, Communication and Computing Pub Date : 2016-12-17 DOI: 10.1145/3033288.3033299
K. Priandana, Wahidin Wahab, B. Kusumoputro
{"title":"Comparison of Neural Networks Based Direct Inverse Control Systems for a Double Propeller Boat Model","authors":"K. Priandana, Wahidin Wahab, B. Kusumoputro","doi":"10.1145/3033288.3033299","DOIUrl":"https://doi.org/10.1145/3033288.3033299","url":null,"abstract":"This paper presents the thorough evaluation and analysis on the direct inverse neural networks based controller systems for a double-propeller boat model. Two direct inverse controller systems that were designed with and without feedback were implemented on a double propeller boat model using two neural networks based control approaches, namely the back-propagation based neural controller (BPNN-controller) and the self-organizing maps based neural controller (SOM-controller). Then, the resulted control errors of the systems were compared. Simulation results revealed that the direct inverse control without feedback produced lower error compared to the direct inverse control with feedback. Another important finding from the study was that the SOM-controller is superior to the BPNN-controller in terms of control error and training computational cost.","PeriodicalId":253625,"journal":{"name":"International Conference on Network, Communication and Computing","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115078334","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
Graph Clustering-Based Emerging Event Detection from Twitter Data Stream 基于图聚类的Twitter数据流新兴事件检测
International Conference on Network, Communication and Computing Pub Date : 2016-12-17 DOI: 10.1145/3033288.3033312
Bundit Manaskasemsak, Bodin Chinthanet, A. Rungsawang
{"title":"Graph Clustering-Based Emerging Event Detection from Twitter Data Stream","authors":"Bundit Manaskasemsak, Bodin Chinthanet, A. Rungsawang","doi":"10.1145/3033288.3033312","DOIUrl":"https://doi.org/10.1145/3033288.3033312","url":null,"abstract":"Event detection from online social media is nowadays important to many fields, such as crisis notification, health epidemic identification, and trending topic extraction. To deal with the problem, in this paper we propose a new methodology to capture emerging events from Twitter data stream. We define a tweet graph representing tweet term vectors as vertices associated by their content similarities. Based on the assumption that an event denotes a set of similar tweets, we therefore employ the Markov clustering algorithm on the tweet graph to group related tweets. Then, the connected of similar events between consecutive time intervals are classified as an event trend line. Finally, the first one of those connected events will be considered as the emerging event. Performance evaluation of the proposed approach has been done on thirty days of extracted Twitter data stream. The results of detected emerging events have been studied and evaluated by fifteen volunteers with 70-80% precision.","PeriodicalId":253625,"journal":{"name":"International Conference on Network, Communication and Computing","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121892695","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: 12
Service-Oriented Virtual Resource Management Framework for Satellite Network 面向服务的卫星网络虚拟资源管理框架
International Conference on Network, Communication and Computing Pub Date : 2016-12-17 DOI: 10.1145/3033288.3033352
Zhiguo Liu, Li Qin, L. Yao
{"title":"Service-Oriented Virtual Resource Management Framework for Satellite Network","authors":"Zhiguo Liu, Li Qin, L. Yao","doi":"10.1145/3033288.3033352","DOIUrl":"https://doi.org/10.1145/3033288.3033352","url":null,"abstract":"Satellite network resources appear heterogeneous, distributed, autonomous, extended, and dynamic characteristics, making traditional satellite network resource management technologies cannot meet the increasing needs of a variety of services with significant differences in the characteristics. Therefore, the introduction of technology of virtual network resource management is to achieve service-oriented resource management and scheduling. The premise of realizing the virtual resource management is to establish the framework of resource management. For this purpose, this paper establishes a service- oriented virtual resource management framework. The structure adopts a hierarchical partition management mechanism, and the virtual network is divided into subnets by the LNMC (logical network management center) while its resources are mapped by the LRMC(logical resource management center) according to the restrictive conditions of service. The centralized management and distributed control system is designed to take into account the characteristics of high dynamics and large scale of topological space of satellite network, which can improve the efficiency of resource utilization and the quality of service.","PeriodicalId":253625,"journal":{"name":"International Conference on Network, Communication and Computing","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131988917","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: 0
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