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2011 6th International Conference on Pervasive Computing and Applications最新文献

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MobileSens: A framework of behavior logger on Andriod mobile device MobileSens: android移动设备上的行为记录框架
2011 6th International Conference on Pervasive Computing and Applications Pub Date : 2011-12-19 DOI: 10.1109/ICPCA.2011.6106518
Rui Guo, T. Zhu, Yu Wang, Xinguo Xu
{"title":"MobileSens: A framework of behavior logger on Andriod mobile device","authors":"Rui Guo, T. Zhu, Yu Wang, Xinguo Xu","doi":"10.1109/ICPCA.2011.6106518","DOIUrl":"https://doi.org/10.1109/ICPCA.2011.6106518","url":null,"abstract":"To provide a better service, it is important to understand user's behavior on mobile device. In this paper, we propose a framework for logging, MobileSens, to record users' operations on Andriod mobile device, including smart phone and pad. The operations include turning on screen, sending messages, and browsing the web, etc. This system uploads the data to server via GPRS(General Packet Radio Service) for further analysis. MobileSens monitors system events, and identifies any event that related to the user behavior. Recording the usage information could help us understand the user's intention and mental status, thus refine the user interface, then make these mobile devices serve people better.","PeriodicalId":210522,"journal":{"name":"2011 6th International Conference on Pervasive Computing and Applications","volume":"367 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115472568","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
A Web Service search approach based on semantic and search engine 一种基于语义和搜索引擎的Web服务搜索方法
2011 6th International Conference on Pervasive Computing and Applications Pub Date : 2011-12-19 DOI: 10.1109/ICPCA.2011.6106551
Gao Shu, Xiongwei Xu, H. Hua
{"title":"A Web Service search approach based on semantic and search engine","authors":"Gao Shu, Xiongwei Xu, H. Hua","doi":"10.1109/ICPCA.2011.6106551","DOIUrl":"https://doi.org/10.1109/ICPCA.2011.6106551","url":null,"abstract":"Traditional method of Web Service search is based on the UDDI registry. UDDI is very popular in the domain of Web Service publishing, but it's not very suitable for Web Service discovering as it is based on keyword match. In this paper we propose a model to discover Web service based on semantic and search engine, and design its architecture. At the same time, we put forward the algorithm of splitting words and the algorithm of query expansion, develop a Web Service search prototype, give a case study, and discuss the recall, the precision and the efficiency of the prototype.","PeriodicalId":210522,"journal":{"name":"2011 6th International Conference on Pervasive Computing and Applications","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125739270","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
Mobile parental control: South African youth at risk 手机家长控制:南非青少年处于危险之中
2011 6th International Conference on Pervasive Computing and Applications Pub Date : 2011-12-19 DOI: 10.1109/ICPCA.2011.6106509
Jacques Marais, J. van Niekerk, Rossouw von Solms
{"title":"Mobile parental control: South African youth at risk","authors":"Jacques Marais, J. van Niekerk, Rossouw von Solms","doi":"10.1109/ICPCA.2011.6106509","DOIUrl":"https://doi.org/10.1109/ICPCA.2011.6106509","url":null,"abstract":"Most parents are not aware of their children being exposed to potentially dangerous mobile media content. It is clear that the combination of awareness, cost and usability is deterring parents from adequately protecting their children from mobile cyber threats. This paper discusses the issues surrounding parental control in smartphone-related devices. The paper will, firstly, establish the importance of parental control; and it will then outline initial research, which aims at providing possible areas where parental intervention could take place - in the form of parental control that potentially might reduce the risks of adolescent mobile Internet usage in South Africa.","PeriodicalId":210522,"journal":{"name":"2011 6th International Conference on Pervasive Computing and Applications","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114188720","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
Influence of the connection between different subnetworks on the supernetwork reliability 不同子网之间的连接对超级网络可靠性的影响
2011 6th International Conference on Pervasive Computing and Applications Pub Date : 2011-12-19 DOI: 10.1109/ICPCA.2011.6106482
Ping Guo, M. Zhang
{"title":"Influence of the connection between different subnetworks on the supernetwork reliability","authors":"Ping Guo, M. Zhang","doi":"10.1109/ICPCA.2011.6106482","DOIUrl":"https://doi.org/10.1109/ICPCA.2011.6106482","url":null,"abstract":"To investigate the impact of the connection between different subnetworks on the supernetwork reliability, the model of adding edges between different subnetworks was established according to the degree sequences of nodes. An approximate algorithm was proposed to calculate the maximum number of disjoint paths between the source node and the target node, which was used to evaluate the network reliability. A simulation was conducted on a supernetwork comprising four subnetworks to analyze the dependence of the network reliability on the connection between different subnetworks. It was shown that disassortative edges between different subnets can enhance the supernetwork reliability, but too more disassortative of edges couldn't be helpful to the supernetwork reliability; and when the density of edges between different subnets reaches the certain extent, the supernetwork reliability couldn't be largely improved but converge to the limit.","PeriodicalId":210522,"journal":{"name":"2011 6th International Conference on Pervasive Computing and Applications","volume":"21 3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129280212","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
Human action recognition with spatial-temporal feature filter 基于时空特征滤波的人体动作识别
2011 6th International Conference on Pervasive Computing and Applications Pub Date : 2011-12-19 DOI: 10.1109/ICPCA.2011.6106547
Hong-Bo Zhang, Shao-Zi Li, Li-Ying Wang, Da Lu, Qi-An Chen, J. Fei, Xiaoguang Yang
{"title":"Human action recognition with spatial-temporal feature filter","authors":"Hong-Bo Zhang, Shao-Zi Li, Li-Ying Wang, Da Lu, Qi-An Chen, J. Fei, Xiaoguang Yang","doi":"10.1109/ICPCA.2011.6106547","DOIUrl":"https://doi.org/10.1109/ICPCA.2011.6106547","url":null,"abstract":"Spatial-temporal interest points (STIP) is the main method in human action recognition. However, there are some STIPs with low discriminative power for action recognition and weak ability for classification. To resolve the problem and achieve high recognition accuracy, this paper proposes a variance filter method for STIP selection. Finally, various experiments are conducted to prove that variance filter for STIP selection for action classification is superior to existing methods based on STIPs.","PeriodicalId":210522,"journal":{"name":"2011 6th International Conference on Pervasive Computing and Applications","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124173733","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
IBeST: An algorithmic framework for extending item-based collaborative filtering with social tags IBeST:一个算法框架，用于扩展带有社会标签的基于项目的协同过滤
2011 6th International Conference on Pervasive Computing and Applications Pub Date : 2011-12-19 DOI: 10.1109/ICPCA.2011.6106495
Yang Zhao, Yong Zhang, Chunxiao Xing, Yang Ding, Shuang Xia, Scott Roepnack, Shihong Huang, Yigang Sun, Xianzhong Zhu
{"title":"IBeST: An algorithmic framework for extending item-based collaborative filtering with social tags","authors":"Yang Zhao, Yong Zhang, Chunxiao Xing, Yang Ding, Shuang Xia, Scott Roepnack, Shihong Huang, Yigang Sun, Xianzhong Zhu","doi":"10.1109/ICPCA.2011.6106495","DOIUrl":"https://doi.org/10.1109/ICPCA.2011.6106495","url":null,"abstract":"Collaborative filtering technology is one major method used in recommendation systems. Most existing collaborative filtering algorithms merely use rating data as their prediction input. Social tags have become widely used in web applications which not only reflect the user's personality but also item's properties and semantic meanings. We design an algorithmic framework by extending item-based collaborative filtering with social tags which we call IBeST. IBeST contains the whole lifecycle of the item similarity measurement based on social tags and improves item-based algorithmic results in four phases: dataset preprocessing, metadata injection, algorithm selection and optimization, and similarity weight selection. The calculated similarity is then used in item-based algorithm. MovieLens 10M ratings 100k tags dataset is used in our experiment. IBeST generates improved recommendation ratings than baseline item-based algorithms, and provides a feasible and loosely coupled solution to use social tags in item-based recommendation system.","PeriodicalId":210522,"journal":{"name":"2011 6th International Conference on Pervasive Computing and Applications","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117124715","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
Power budget and performance prediction for WiMAX based passive radar 基于WiMAX的无源雷达功率预算与性能预测
2011 6th International Conference on Pervasive Computing and Applications Pub Date : 2011-12-19 DOI: 10.1109/ICPCA.2011.6106556
G. Gao, Qing Wang, Chunping Hou
{"title":"Power budget and performance prediction for WiMAX based passive radar","authors":"G. Gao, Qing Wang, Chunping Hou","doi":"10.1109/ICPCA.2011.6106556","DOIUrl":"https://doi.org/10.1109/ICPCA.2011.6106556","url":null,"abstract":"Power budget can be used for performance prediction of passive radar illumination sources. A bistatic coordinate system for WiMAX based passive radar was proposed firstly. Then the bistatic radar equations were introduced in detail, also direct path signal power, target echo path signal power, noise, interference and clutter was analyzed. In addition, coherent integration gain and target bistatic radar cross section (RCS) was considered in radar equation to calculate the maximum detection range. The WiMAX based passive radar power budget simulation results demonstrated that the maximum detection range can reach 19.4 km for conventional naval ship and 4.1 km for cabin cruiser.","PeriodicalId":210522,"journal":{"name":"2011 6th International Conference on Pervasive Computing and Applications","volume":"97 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123534038","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
Slotting optimization of warehouse based on hybrid genetic algorithm 基于混合遗传算法的仓库开槽优化
2011 6th International Conference on Pervasive Computing and Applications Pub Date : 2011-12-19 DOI: 10.1109/ICPCA.2011.6106472
Qiaohong Zu, Mengmeng Cao, Fang Guo, Yeqing Mu
{"title":"Slotting optimization of warehouse based on hybrid genetic algorithm","authors":"Qiaohong Zu, Mengmeng Cao, Fang Guo, Yeqing Mu","doi":"10.1109/ICPCA.2011.6106472","DOIUrl":"https://doi.org/10.1109/ICPCA.2011.6106472","url":null,"abstract":"Traditional warehouse operation management always relies on experience to arrange inventory goods to available space once they arrived, resulting in the inefficient warehouse work. This paper considers goods' turnover rate and shelves' stability as principles to construct a multiobjective optimization mathematical model. By setting up random goal weight to improve traditional genetic algorithm, and based on MATLAB software platform to optimize the solution with mixed multitargets genetic algorithm. Taking the background of a specific warehouse position distribution to simulate and analysis. The result shows that this model is practical and effective. It can realize the reasonable distribution of the layout problem and reduce handling loss, as well as improve warehouse space utilization.","PeriodicalId":210522,"journal":{"name":"2011 6th International Conference on Pervasive Computing and Applications","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125985017","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
A Hybrid Spatial-Temporal Index for location based service 基于位置服务的混合时空索引
2011 6th International Conference on Pervasive Computing and Applications Pub Date : 2011-12-19 DOI: 10.1109/ICPCA.2011.6106536
Peng Chen, Junzhong Gu, Rong Tan
{"title":"A Hybrid Spatial-Temporal Index for location based service","authors":"Peng Chen, Junzhong Gu, Rong Tan","doi":"10.1109/ICPCA.2011.6106536","DOIUrl":"https://doi.org/10.1109/ICPCA.2011.6106536","url":null,"abstract":"Nowadays, numerous applications involving spatial data are emerging. While efficient management of tremendous spatial-temporal objects is a challenge due to the highly dynamic nature of the data, the demand for fast getting query results and minimum update cost. However, the query performance optimizations and the update cost minimizations cannot be achieved at the same time. In this paper, a novel approach is presented to get a tradeoff between those two. A spatial-temporal index mechanism named as Hybrid Spatial-Temporal Index (HSTI), which satisfies the time slice, time interval, event, and trajectory queries is introduced. The effectiveness and efficiency of the proposed index is validated through extensive experiments.","PeriodicalId":210522,"journal":{"name":"2011 6th International Conference on Pervasive Computing and Applications","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126064458","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
A novel design of context aware based on equalizer in cognitive networks 认知网络中基于均衡器的上下文感知新设计
2011 6th International Conference on Pervasive Computing and Applications Pub Date : 2011-12-19 DOI: 10.1109/ICPCA.2011.6106496
Liu Heli, Wang Jingyao, Gao Peng
{"title":"A novel design of context aware based on equalizer in cognitive networks","authors":"Liu Heli, Wang Jingyao, Gao Peng","doi":"10.1109/ICPCA.2011.6106496","DOIUrl":"https://doi.org/10.1109/ICPCA.2011.6106496","url":null,"abstract":"Cognitive networks use context aware as its basic approach to realize intelligent decision-making and network reconfiguration, thus, context aware becomes a worthy researching field. However, the current existing context aware schemes are almost general and indistinct. In this paper, a novel practical design of context aware based on DEF variable length equalizer (VLE) is proposed. By perceiving the relationship between time-delay and tap-length of the equalizer, we can get to know the communication environment approximately. This idea is applicable to solve the near-far problem and power management in CDMA and WCDMA, and it is also useful in the research of access select in the future heterogeneous networks.","PeriodicalId":210522,"journal":{"name":"2011 6th International Conference on Pervasive Computing and Applications","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125121620","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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