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The popularity of social media services has been innovating the way of information acquisition in modern society. Meanwhile, mass information is generated in every single day. To extract useful knowledge, much effort has been invested in analyzing social media contents, e.g., (emerging) topic discovery. With these findings, however, users may still find it hard to obtain knowledge of great interest...
Border Gateway Protocol (BGP) is the de facto inter-domain routing protocol. There have been many incidents of IP prefix hijacking by BGP protocol in the Internet. Attacks may hijack victim's address space to disrupt network services or perpetrate malicious activities such as spamming and DoS attacks without disclosing identity. The relation on prefix hijacking and the Internet hierarchy is presented...
In this letter, we present a Web browsing model for mobile Internet. Instead of relying on simulation data, our approach is based on real data. We set up our model with six parameters including main-object size, embedded object size, number of embedded objects, inter-arrival of embedded objects, reading time and session duration. By using KS-test method, we fit the measurement results to matched statistical...
Summary form only given: Networked sensors and actuators are increasingly pervasive in our daily lives, from tracking inventory in warehouses to monitoring movement of environmental pollutants and helping elderly living a more independent life. The data collected by the sensors needs to be distilled into higher level information and knowledge that must be promptly acted upon by autonomous controllers...
In order to solve such problems as lack of innovative knowledge in the process of product creation design and the resulting exhaustion of creative thinking sources, this thesis propose a method to obtain from the Internet the knowledge which has auxiliary effects on creative thinking, by taking into consideration the knowledge categories and its characteristics in the product innovation design. First,...
Data Centers are energy consuming facilities that host Internet services such as cloud computing platforms. Their complex cyber and physical systems bring unprecedented challenges in resource managements. In this paper, we give an overview of the resource provisioning and utilization patterns in data centers and propose a macro-resource management layer to coordinate among cyber-and-physical resources...
A sensor network data gathering and visualization infrastructure is demonstrated, comprising of global sensor networks (GSN) middleware and Microsoft SensorMap. Users are invited to actively participate in the process of monitoring real-world deployments and can inspect measured data in the form of contour plots overlayed onto a high resolution map and a digital topographic model. Users can go back...
Recent works have shown the usefulness of network and application layer protocols that connect low power sensor nodes directly to multiple applications and users on the Internet. We propose a security solution for this scenario. While previous works have provided security support for various communication patterns in sensor networks, such as among nodes, from nodes to a base station, and from users...
Users' behaviors greatly affect communication methods, routing & access control. However, the importance of user role is ignored by current location-centric networks. To address this problem, we propose UCEN, a user-centric network which changes some basic principles of today's Internet. UCEN adds user identity information into network, and enables user identity based authentication, routing &...
IP routing protocols, such as OSPF (open shortest path first) or BGP (border gateway protocol), have many configurable parameters (e.g., timers) and interact with each other in complex ways. Network operators may need to explore numerous candidate configuration changes before identifying a choice. In this paper, from the point of view of the economics of the Internet backbone, we propose a potential...
Peer-produced systems can achieve what might be infeasible for stand-alone systems developed by a single entity. The SenseWeb's goal is to enable these kinds of capabilities. Using SenseWeb, applications can initiate and access sensor data streams from shared sensors across the entire Internet. The SenseWeb infrastructure helps ensure optimal sensor selection for each application and efficient sharing...
Geocentric Web interfaces such as Microsoft Virtual Earth and Google Maps are useful for visualizing spatially and geographically related data such as driving directions, directory entries, and weather and traffic conditions, to name a few. The desire to add useful information to these interfaces has led developers to create custom applications that overlay housing prices, crime rates, bus locations,...
This paper analyzes the relationship between BGP convergence and the power-law of the Internet. The inter-domain routing system is classified into three hierarchies based on the power-law and commercial relations of autonomous systems. The relation of network topology and three convergence parameters-convergence time T, affected ASs set Nc and affected paths factor mu is presented for all sorts of...
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