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Compounded Face Image Retrieval Based on Vertical Web Image Retrieval

Compounded Face Image Retrieval Based on Vertical Web Image ...

引用

ChinaGrid Annual Conference (ChinaGrid)

作者： Ran Zheng Shilei Wen Qin Zhang Hai Jin Xia Xie Services Computing Technology and System Laboratory Cluster and Grid Computing Laboratory School of Computer Science and Technology Huazhong University of Science and Technology Wuhan China

Text-based image search engine and content-based image retrieval (CBIR) have achieved much progress in commerce and academic community. In addition, a few attempts have been conducted to integrate the two techniques for image retrieval in web context. However, it is very difficult for general search engine based on image context to return highly accurate results. Compound face image retrieval system, based on a novel vertical web image retrieval framework, is designed to make comprehensive uses of text, image content and some related technologies in face detection and recognition. It incorporates high-level semantics and low-level visual features of web image and provides more accurate results and good extensibility for further applications.

关键词： Face Feature extraction Image retrieval Filtering algorithms Visualization Histograms

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Sharing Virtual USB Device in Virtualized Desktop

Sharing Virtual USB Device in Virtualized Desktop

引用

International Symposium on Parallel Architectures, Algorithms and Programming (PAAP)

作者： Xiaofei Liao Xiao Xie Hai Jin Services Computing Technology and System Laboratory Cluster and Grid Computing Laboratory School of Computer Science and Technology Huazhong University of Science and Technology Wuhan China

With the development of computer science, desktop virtualization technology is more and more popular. In virtualized desktop, it is a very significant research to share periphery devices in the client-end computer seamlessly. We implement a device sharing mechanism to extend the universal serial bus in client-end host to the network for server-end host using transparently. This virtual device bus is deployed in the driver layer so that most applications and drivers in virtualized desktop could access remote shared devices through original interface. After deploying the virtual device bus driver, the duplicated virtual device could be accessed just like a real local device. In our implementation, the virtual device bus driver, which is the main module for virtualizing real USB devices and the interface for applications, is OS independent. Experiments show that the mechanism has a very friendly and easy interface to access virtual USB devices, and good performance.

关键词： Universal Serial Bus Protocols IP networks Hardware Linux Computers Kernel

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Meld: A Real-Time Message Logic Debugging system for Distributed systems

Meld: A Real-Time Message Logic Debugging System for Distrib...

引用

IEEE Asia-Pacific Conference on services computing (APSCC)

作者： Xuping Tu Hai Jin Xuepeng Fan Jiang Ye Services Computing Technology and System Laboratory Cluster and Grid Computing Laboratory School of Computer Science and Technology Huazhong University of Science and Technology Wuhan China

The largest difference between a distributed and a non-distributed system is that the former introduces network messages to the system. Network messages bring the scalability to a distributed system as well as complexity to it. Testing large-scale distributed systems is a great challenge, because some errors happen after a distributed sequence of events that involves machine and network failures. Meld is a checker that allows developers to specify expected message logic on a deployed distributed system, and that verifies these logics while the system is running. When Meld finds a problem it starts collecting more information that led to the problem, allowing developers to quickly find the root cause. Developers write message logics on Meld and Meld verifies them through analyzing the collected abstract of messages. By using binary instrumentation, Meld works almost transparently with debugged systems and can change logics to be checked at runtime. An evaluation with a deployed system shows that Meld can detect non-trivial correctness at runtime.

关键词： Servers Debugging Runtime Monitoring Computer bugs Receivers Payloads

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TCPBridge: A software approach to establish direct communications for NAT hosts

TCPBridge: A software approach to establish direct communica...

引用

ACS/IEEE International Conference on Computer systems and Applications

作者： Sanmin Liu Hai Jin Xiaofei Liao Hong Yao Deze Zeng Services Computing Technology and System Laboratory Cluster and Grid Computing Laboratory School of Computer Science and Technology Huazhong University of Science and Technology Wuhan China

Traversing network address translation (NAT) for peer-to-peer (P2P) communication has become a hot topic recently. Compared to UDP, establishing TCP connections for hosts behind different NATs is more complex. Thus, many TCP-based applications do not address TCP traversal through NATs. Some solutions suggest using delegates to relay all communications, or tunneling TCP over UDP. However, they require a big reform to network architecture, or using a nonstandard TCP/IP stack. In this paper, we present a novel idea called TCPBridge. TCPBridge converts TCP traversal to UDP traversal without modifying any binaries of the TCP-based applications. Our design can be integrated with those P2P applications which have not solved TCP traversal problem, and extends them to support direct communications between NAT hosts. It deals with the problem of TCP traversal, so as to improve the usability of applications. We have implemented TCPBridge in several existing P2P systems. Statistics prove that TCPBridge is scalable and robust, and we believe it will benefit many other existing P2P applications.

关键词： Network address translation TCPIP Application software Punching Robustness Protocols Communication system software Grid computing Computer science Peer to peer computing

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Unlearnable 3D Point Clouds: Class-wise Transformation Is All You Need 38

Unlearnable 3D Point Clouds: Class-wise Transformation Is Al...

引用

38th Conference on Neural Information Processing systems, NeurIPS 2024

作者： Wang, Xianlong Li, Minghui Liu, Wei Zhang, Hangtao Hu, Shengshan Zhang, Yechao Zhou, Ziqi Jin, Hai National Engineering Research Center for Big Data Technology and System China Services Computing Technology and System Lab China Cluster and Grid Computing Lab China Hubei Engineering Research Center on Big Data Security China Hubei Key Laboratory of Distributed System Security China School of Cyber Science and Engineering Huazhong University of Science and Technology China School of Software Engineering Huazhong University of Science and Technology China School of Computer Science and Technology Huazhong University of Science and Technology China

Traditional unlearnable strategies have been proposed to prevent unauthorized users from training on the 2D image data. With more 3D point cloud data containing sensitivity information, unauthorized usage of this new type data has also become a serious concern. To address this, we propose the first integral unlearnable framework for 3D point clouds including two processes: (i) we propose an unlearnable data protection scheme, involving a class-wise setting established by a category-adaptive allocation strategy and multi-transformations assigned to samples;(ii) we propose a data restoration scheme that utilizes class-wise inverse matrix transformation, thus enabling authorized-only training for unlearnable data. This restoration process is a practical issue overlooked in most existing unlearnable literature, i.e., even authorized users struggle to gain knowledge from 3D unlearnable data. Both theoretical and empirical results (including 6 datasets, 16 models, and 2 tasks) demonstrate the effectiveness of our proposed unlearnable framework. Our code is available at https://***/CGCL-codes/UnlearnablePC. © 2024 Neural information processing systems foundation. All rights reserved.

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Load Balancing Across Microservices

Load Balancing Across Microservices

引用

IEEE Annual Joint Conference: INFOCOM, IEEE Computer and Communications Societies

作者： Yipei Niu Fangming Liu Zongpeng Li Key Laboratory of Services Computing Technology and System Huazhong University of Science and Technology University of Calgary Canada

ISBN: (纸本)9781538641293

With the advent of cloud container technology, enterprises develop applications through microservices, breaking monolithic software into a suite of small services whose instances run independently in containers. User requests are served by a series of microservices forming a chain, and the chains often share microservices. Existing load balancing strategies either incur significant networking overhead or ignore the competition for shared microservices across chains. Furthermore, typical load balancing solutions leverage a hybrid technique by combining HTTP with message queue to support microservice communications, bringing additional operational complexity. To address these challenges, we propose a chain-oriented load balancing algorithm (COLBA) based solely on message queues, which balances load based on microservice requirements of chains to minimize response time. We model the load balancing problem as a non-cooperative game, and leverage Nash bargaining to coordinate microservice allocation across chains. Employing convex optimization with rounding, we efficiently solve the problem that is proven NP-hard. Extensive trace-driven simulations demonstrate that COLBA reduces the overall average response time at least by 13% compared with existing load balancing strategies.

关键词： Load management Time factors Containers Computer architecture Load modeling Conferences Logic gates

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Assessing MapReduce for Internet computing: A Comparison of Hadoop and BitDew-MapReduce

Assessing MapReduce for Internet Computing: A Comparison of ...

引用

International Workshop on Grid computing

作者： Lu Lu Hai Jin Xuanhua Shi Gilles Fedak Cluster and Grid Computing Laboratory Services Computing Technology and System Laboratory Huazhong University of Science and Technology Wuhan China INRIA Universitý of Lyon Lyon France

MapReduce is emerging as an important programming model for data-intensive application. Adapting this model to desktop grid would allow taking advantage of the vast amount of computing power and distributed storage to execute new range of application able to process enormous amount of data. In 2010, we have presented the first implementation of MapReduce dedicated to Internet Desktop Grid based on the BitDew middleware. In this paper, we present new optimizations to BitDew-MapReduce (BitDew-MR): aggressive task backup, intermediate result backup, task re-execution mitigation and network failure hiding. We propose a new experimental framework which emulates key fundamental aspects of Internet Desktop Grid. Using the framework, we compare BitDew-MR and the open-source Hadoop middleware on Grid5000. Our experimental results show that 1) BitDew-MR successfully passes all the stress-tests of the framework while Hadoop is unable to work in typical wide-area network topology which includes PC hidden behind firewall and NAT; 2) BitDew-MR outperforms Hadoop performances on several aspects: scalability, fairness, resilience to node failures, and network disconnections.

关键词： Peer to peer computing Runtime Internet Dynamic scheduling Distributed databases Heart beat Data processing

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A Component Based Design Tool for Networked Embedded Software Supporting Non-Functional Analysis

A Component Based Design Tool for Networked Embedded Softwar...

引用

International Conference on Grid and Cooperative computing Workshops (GCCW)

作者： Ke Shi Services Computing Technology and System Laboratory School of Computer Science & Technology Huazhong University of Science and Technology Wuhan China

In this paper a new approach for building networked embedded software is presented. The approach is based on the composition of reusable components with the addition of a perspective contract principle for modeling non-functional properties. Nonfunctional properties are an important aspect of networked embedded software, and this is why they are modeled separately. As such, the component view presented here differs from traditional component based views, where focus is laid on the functional part. The ideas discussed in the paper have been implemented in a tool. This tool enables the construction of networked embedded software by means of components and perspective contracts. Currently, a queuing network based algorithm that considers all non-functional properties together performs a static analysis on the perspective contracts before execution of the application

关键词： Embedded software Contracts Application software Embedded system Performance analysis Algorithm design and analysis Buildings Programming Computer networks Embedded computing

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A New Proxy Scheme for Large-Scale P2P VoD system

A New Proxy Scheme for Large-Scale P2P VoD System

引用

IEEE/IFIP International Conference on Embedded and Ubiquitous computing, EUC

作者： Wenbin Jiang Chong Huang Hai Jin Xiaofei Liao Services Computing Technology and System Laboratory School of Computer Science and Technology Huazhong University of Science and Technology Wuhan China

Large-scale stream media delivery over Internet is one hot and hard problem. Three main solutions have been developed for this purpose. Content delivery network (CDN) can provide high quality streaming service with high cost. Server-based proxies are cost-effective but not scalable due to the limited proxy capacity and its centralized control. Peer-to-peer (P2P) network is scalable but does not guarantee high quality streaming service due to its self-restrained characteristic. This paper proposes a new chunk-based scalable and reliable proxy scheme for P2P network. Clients are self-organized in unstructured P2P VoD system GridCast and requests for media contents that are not found in P2P overlay from proxy servers. This scheme can address the limitations of server-based proxy model and client-based P2P model. The proposed scheme is evaluated by trace-driven simulations from logs collected in GridCast. The results show that the approach proposed significantly improves the quality of media streaming and the system scalability.

关键词： Large-scale systems Streaming media Network servers Bandwidth Scalability Peer to peer computing Web and internet services Costs Centralized control Cache storage

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I/O Scheduling by Using Multi-network Interfaces of Virtualization system

I/O Scheduling by Using Multi-network Interfaces of Virtuali...

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IEEE International Conference on Trust, Security and Privacy in computing and Communications (TrustCom)

作者： Xia Xie Haiqing Zhu Wenzhi Cao Hai Jin Pingpeng Yuan Services Computing Technology and System Laboratory Cluster and Grid Computing Lab School of Computer Science and Technology Huazhong University of Science and Technology Wuhan China

With the development of virtualization technology, it can run more and more guest domains on one single physical machine. So the network I/O demand is also rapidly increasing, for these guest domains can supply more and more services or run more and more applications. This will lead to serious contention on network I/O of physical machine. Although we can use high performance NICs (network interface cards) to improve network I/O performance, one single NIC cannot get further performance improvement which depends on hardware technology. Linux bonding can achieve high bandwidth network by using multiple NICs, but it does not guarantee QoS among guest domains. Also it would terminate one guest domain's communication because of its response mechanism of ARP. Therefore, we present an approach named Virtual Bonding to achieve high bandwidth network by using multi-NICs. It aggregates multi-NICs to provide high bandwidth and high-quality network services. It also introduces load balancing mechanism between multi-NICs. So it can make full use of every NIC. Furthermore, it makes perfect support to virtualization environment.

关键词： Bonding Bridges Bandwidth Load management Servers Linux IP networks

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