Serwis Infona wykorzystuje pliki cookies (ciasteczka). Są to wartości tekstowe, zapamiętywane przez przeglądarkę na urządzeniu użytkownika. Nasz serwis ma dostęp do tych wartości oraz wykorzystuje je do zapamiętania danych dotyczących użytkownika, takich jak np. ustawienia (typu widok ekranu, wybór języka interfejsu), zapamiętanie zalogowania. Korzystanie z serwisu Infona oznacza zgodę na zapis informacji i ich wykorzystanie dla celów korzytania z serwisu. Więcej informacji można znaleźć w Polityce prywatności oraz Regulaminie serwisu. Zamknięcie tego okienka potwierdza zapoznanie się z informacją o plikach cookies, akceptację polityki prywatności i regulaminu oraz sposobu wykorzystywania plików cookies w serwisie. Możesz zmienić ustawienia obsługi cookies w swojej przeglądarce.
With the rapid development of the Internet, SaaS applications delivered as services through internet become an important alternative of traditional software. While using the services, users need real time usage information, and they also need to dig out useful knowledge. As a result, data processing and data mining techniques are designed to cope with such problems, and using log data is an effective...
This article describes system architecture designed for visualization platform of the production process in generic manufacturing. It fits for almost all kinds of production process of manufacturing. The system is divided into four modules and each has its special features. First of all, the whole architecture of the system is shown to help you catch the main points. Then we describe our design in...
Twitter is a public social service that allows users to share information as short-text messages. Previous researchers have tried to analyze the information available on Twitter to discover topic trending. However, these topics are associated with the whole network, and are not associated to a particular place. In this work, we propose a scheme to discover places where something is happening by analyzing...
The Botnet command and control (C&C) behavior becomes more and more dynamic and rapid so that information security analyst is difficult to capture the Botnet behavior in real time. In this work, we proposed a Botnet C&C behavior tracing system (naming C&C Tracer) for capturing the Botnet C&C behavior. The C&C Tracer consists of three components, such as: C&C active behavior...
Distributed architecture is a fundamental way for science and engineering data application by aggregate power of computing resources connected by networks of the grid. This paper describes a innovative scenarios for intensive rainfall data analysis. The Flood Early Warning System is performed to give an alert in advance about the occurrence of heavy rainfalls around the world. The aim of the project...
S4 is a general-purpose, distributed, scalable, partially fault-tolerant, pluggable platform that allows programmers to easily develop applications for processing continuous unbounded streams of data. Keyed data events are routed with affinity to Processing Elements (PEs), which consume the events and do one or both of the following: (1) emit one or more events which may be consumed by other PEs,...
This article discusses the development of monitoring system about the security situation in coal production and coal mining. In order to solve the problem of coal mine monitoring systems and self-management of coal enterprises, Adopt the Socket communication mechanism based on TCP protocol, design the Real-time monitoring and development of a WEB-based remote coal mine gas monitoring system. The test...
The domain name system (DNS) is a fundamental component of the modern Internet. In the deployment of real time DNS monitoring and analysis system, the large volume CN top level domain DNS log, especially by BIND, heavily burdens its transmission from the distributed sites to the data processing center. The redundancy of DNS query type and the repetitiveness of DNS query time, IP and domain name is...
We propose a novel cyberinfrastructure for an emerging class of Internet-based real-time online interactive applications (ROIA). The most challenging representative of this application class are massively multi-player online games. We present the results of the European project Edutain@Grid on the development of efficient cyberinfrastructure and scalable applications. We report experimental results...
Aiming at the conflict between information transmission QoS and network resource, propose some notions and schemes including delivery strategy, distribution procedure, resource matching and delivery routing which based on the distribution policy. With the proper distribution policy, the efficient delivery control procedure and dissemination management could be taken relatively, according to the type...
Real time process algebra with urgency executing policy can specify the behaviors of real time systems. But in reality, the executing time of real time systems' behavior is not determined to an accurate value. As executing time obey the exponential distribution, stochastic process algebras equip their actions with exponential variable ??. In order to specify real time systems behaviors more accurately,...
This paper presents a preemption control based bandwidth preserving server approach to improve the quality of service in terms of better responsiveness to the aperiodic task and reduce their rejection ratio while ensuring the feasibility of periodic task at the same time. Feasibility analysis is done at offline by assigning the priority of periodic tasks as well as server to service the aperiodic...
Based on the analysis of QQLive protocol, an active monitoring based QQLive real-time information acquisition system was presented by the in-depth study of characteristic message and characteristic payload in the communication process of QQLive. The system acquires the channel list and program information, at the same time monitors the viewing user information by forging the client to send message...
The purpose of CEDA (certified electronic document authority) is to guarantee reliability and stability of electronic documents. When using storage and issuance services which are one of core services offered by CEDA, users register their electronic documents and they are issued to a third party later on. In this process, issuance of partial information (part page) instead of the entire registered...
Online services such as search and live applications rely on large infrastructures in data centers, consisting of both stateless servers (e.g., web servers) and stateful servers (e.g., database servers). Acceptable performance of such infrastructures, and hence the availability of online services, rely on a very large number of parameters such as per-process resources and configurable system/application...
To improve the mine haul trucks operating safety in surface mining, a novel driving assisted system based on the GPS, mesh-wireless networks, and the Google-Earth API was developed. It has the capability to pin-point and track vehicles in real time using a 3D interface, which is based on user-based AutoCAD mine maps using the Google-Earth graphics interface. The research results indicate that it increases...
The paper discusses the OPC technology and it brings functions and benefits in monitoring system of the small AS/RS. As an example of the monitoring system of an airport catering company, the paper analyzes the way of data access in this monitoring system according to the typical data access method of OPC. The monitoring system adopts Siemens S7-300 PLC Ethernet communication module and OPC communication...
In this paper, we proposed a semi-distributed transportation and management network for field ecological data collection. We developed the semi distributed transportation network to transmit the real-time video data and real-time flux data in the ChinaFlux project, and utilized the SRB technique to manage the distributed ecological data among different observation sites in the ChinaFlux project. We...
Multimedia applications are often characterised by implicit temporal constraints but, in many cases, they are not programmed using any specialised real-time API. These ??Legacy applications?? have no way to communicate their temporal constraints to the OS kernel, and their quality of service (QoS), being necessarily linked to the temporal behaviour, fails to satisfy acceptable standards. In this paper...
Autonomous robots that operate in real-world domains face multiple challenges that make planning and goal selection difficult. Not only must planning and execution occur in real time, newly acquired knowledge can invalidate previous plans, and goals and their utilities can change during plan execution. However, these events can also provide opportunities, if the architecture is designed to react appropriately...
Podaj zakres dat dla filtrowania wyświetlonych wyników. Możesz podać datę początkową, końcową lub obie daty. Daty możesz wpisać ręcznie lub wybrać za pomocą kalendarza.