With the rapid development of Internet and communication technology, the information resources on Internet increase sharply. Search engine emerges and develops fast as a major tool of Internet information retrieval. But every search engine has a specific database index, the unique features and expected user base. People often use several search engines for search results’comparison
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With the rapid development of Internet and network technologies, intrusion detection system (IDS) has become a necessary guard line in information security architecture. Unlike firewall or other security components and products, IDS is expected to be more intelligent. Generally, IDS in current use can rarely meet actual requirements in performance, accuracy and distributed characteristics. On
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Supervised learning and unsupervised learning are two frequently-used learning methods in the field of machine learning. In supervised learning, a large number of labeled data are taken as prior knowledge to construct a model which is used to predict the unlabeled data. Unsupervised learning is always absence of any prior knowledge to analyze the data
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Supervised learning and unsupervised learning are two frequently-used learning methods in the field of machine learning. In supervised learning, a large number of labeled data are taken as prior knowledge to construct a model which is used to predict the unlabeled data. Unsupervised learning is always absence of any prior knowledge to analyze the data
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Human security is a precondition for making a good human settlement, which aims to reduce economic losses and personnel casualties by continuing hazard identification and risk management process. In order to detect the security of human settlement, the structural health monitoring and evaluation methods and the intelligent video surveillance techniques based Mean Shift clustering are
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With the spread of the Internet and the rapid development of computer technology, Web has become an important platform of obtaining knowledge, sharing technology and communicating information in daily life. More and more Internet users can access to blog, BBS and communities and so on to publish user-experienced contents and user-centered contents which form rich
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As a new type of wireless sensor network (WSN), mobile wireless sensor network (mWSN) has many excellences, such as high fidelity sensing data, node position adjustable, controllable node mobility and network deployment flexibility, so it has been widely used in unattended scene, disaster scene, emergency rescuing scene and health care monitoring. For the great value
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As a new type of wireless sensor network (WSN), mobile wireless sensor network (mWSN) has many excellences, such as high fidelity sensing data, node position adjustable, controllable node mobility and network deployment flexibility, so it has been widely used in unattended scene, disaster scene, emergency rescuing scene and health care monitoring. For the great value
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Nowadays,not only e-commerce policies,but also logistics,credit ,electronic payment and other support systems become more and more perfect.With the restructuring of the market economy,consumer will be in more need of e-commerce in their daily life.Their awareness of using e-commerce will become stronger step by step.You will find that e-commerce is used in almost all the areas
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Nowadays,not only e-commerce policies,but also logistics,credit ,electronic payment and other support systems become more and more perfect.With the restructuring of the market economy,consumer will be in more need of e-commerce in their daily life.Their awareness of using e-commerce will become stronger step by step.You will find that e-commerce is used in almost all the areas
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