An Information-Theoretical View of Network-Aware Malware Attacks (2008)
This work investigates three aspects: (a) a network vulnerability as the non-uniform vulnerable-host distribution, (b) threats, i.e., intelligent malwares that exploit such a vulnerability, and (c)...
Generalization capability of neural networks (2007)
The generalization capability of feedforward multilayer neural networks is investigated from two aspects: the theoretical aspect and the algorithmic aspect. In the theoretical part, a general...
Guanglei Liu, Chuanyi Ji, Vincent Chan
We investigate network management information for Hght-path assessment to dynamically set up end-to-end Hghtpaths across administrative domains. Our focus is on invetigating what performance can be...
A Unified Framework for Understanding Network Traffic Using Independent Wavelet Models (2002)
Xusheng Tian, Jie Wu, Chuanyi Ji
Properties of heterogeneous network traffic have been investigated from different aspects, resulting in different understanding. Specifically, one recent work discovers that the variance of network...
Capacity of CDMA Networks with Hererogenous Traffic over Fading Channels (2002)
Dongxu Shen, Student Member, Chuanyi Ji
In this paper, we study the capacity of code- derision multiple-access (CDMA) networks in the support of heterogeneous traffic over fading channels. We first present a CDMA cell model developed in...
Proactive Network Fault Detection (2001)
To improve network reliability and management in today's high-speed communication networks, we propose an intelligent system using adaptive statistical approaches. The system learns the normal...
Dongxu Shen, Student Member, Chuanyi Ji, Member Ieee
In this work, we study the provisioning of Quality of Service for the third generation wireless CDMA networks, where users can demand multi-media services with diverse QoS requirements. By...
QoS Provisioning with Distributed Call Admission Control in Wireless Networks (2000)
In this work, we investigate the performance of distributed admission control with QoS provisioning and dynamical channel allocation for mobile/wireless networks. We first provide a QoS metric...
In this work, we investigate the performance of distributed admission control with QoS provisioning and dynamical channel allocation for mobile/wireless networks, where co-channel reuse distance is...
In this work, we investigate the performance of distributed admission control with QoS provisioning and dynamical channel allocation for mobile/wireless networks. We first provide a QoS metric...
In this work, we investigate the performance of distributed admission control with QoS provisioning and dynamical channel allocation for mobile/wireless networks, where co-channel reuse distance is...
Comparison of the Independent Wavelet Models to Network Traffic (2000)
Xusheng Tian, Sheng Ma, Chuanyi Ji
In our previous work, we showed empirically that independent (Haar) wavelet models were parsimonious, computationally efficient and accurate in modeling heterogeneous network traffic measured by both...
Admission Control of Multimedia Traffic for Third Generation CDMA Network (2000)
As CDMA is to be used for the third generation wireless network to provide integrated services, it is important to study how the Quality of Service, such as packet loss and delay, should be...
Adaptive Thresholding for Proactive Network Problem Detection (2000)
The detection of network fault scenarios has been achieved using the statistical information contained in the Management Information Base (MIB) variables. An appropriate subset of MIB variables was...
Proactive Network Fault Detection (1999)
The increasing role of communication networks in today's society results in a demand for higher levels of network availability and reliability. At the same time, fault management is becoming more...
Approximation Capability of Independent Wavelet Models to Heterogeneous Network Traffic (1999)
Chuanyi Ji, Sheng Ma, Xusheng Tian
In our previous work, we showed empirically that independent wavelet models were parsimonious, computationally e#cient, and accurate in modeling heterogeneous network tra#c measured by both...
Approximation Capability of Independent Wavelet Models to Heterogeneous Network Trac (1999)
Chuanyi Ji, Sheng Ma, Xusheng Tian
In our previous work, we showed empirically that independent wavelet models were parsimonious, computationally e#cient, and accurate in modeling heterogeneous network tra#c measured by both...
Performance and Efficiency: Recent Advances in Supervised Learning (1999)
This paper reviews recent advances in supervised learning with a focus on two most important issues: performance and efficiency. Performance addresses the generalization capability of a learning...
Modeling Heterogeneous Network Traffic in Wavelet Domain: Part I - Temporal Correlationi (1999)
Heterogeneous network traffic possesses diverse statistical properties such as (1) complex temporal correlation, (2) higher-order statistics and (3) a certain (such as periodic) structure. The Part I...
Modeling Heterogeneous Network Traffic in Wavelet Domain: Part II - Non-Gaussian Traffic (1999)
Following our work described in Part I of this paper that modeled various correlation structures of Gaussian traffic in wavelet domain, we extend our previous models to heterogeneous network traffic...
Modeling Network Traffic in Wavelet Domain (1999)
A significant discovery from this work is that although network traffic has the complicated short- and long-range temporal dependence, the corresponding wavelet coefficients are no longer long-range...
Modeling Heterogeneous Network Traffic in Wavelet Domain: Part II - Non-Gaussian Traffic (1999)
Following our work described in Part I of this paper that modeled various correlation structures of Gaussian traffic in wavelet domain, we extend our previous models to heterogeneous network traffic...
Modeling Heterogeneous Network Traffic in Wavelet Domain: Part I -- Temporal Correlationi (1999)
Heterogeneous network traffic possesses diverse statistical properties such as (1) complex temporal correlation, (2) higher-order statistics and (3) a certain (such as periodic) structure. The Part I...
Modeling Video Traffic Using Wavelets (1998)
In this work, we establish a wavelet model for video traffic. Different from the existing methods which model the video traffic in the time domain, we model the wavelet coefficients in the wavelet...
Modeling Video Traffic Using Wavelets (1998)
In this work, we establish a wavelet model on video traffic. Different from the existing methods which model the video traffic in the time domain, we model the wavelet coefficients in the wavelet...
Modeling Video Traffic in The Wavelet Domain (1998)
A significant discovery from this work is that although video traffic has complicated short- and longrange dependence in the time domain, the corresponding wavelet coefficients are no longer...
Modeling Video Traffic Using Wavelets (1998)
In this work, we establish a wavelet model for video traffic. Different from the existing methods which model the video traffic in the time domain, we model the wavelet coefficients in the wavelet...
Generalization capability of neural networks (1991)
The generalization capability of feedforward multilayer neural networks is investigated from two aspects: the theoretical aspect and the algorithmic aspect. In the theoretical part, a general...
Admission Control of Multimedia Traffic for Third Generation CDMA Network (1970)
As CDMA is to be used for the third generation wireless network to provide integrated services, it is important to study how the Quality of Service, such as packet loss and delay, should be...
A serpin mutant links Toll activation to melanization in the host defence of Drosophila
Ligoxygakis, Petros, Pelte, Nadège, Ji, Chuanyi, Leclerc, Vincent, Duvic, Bernard, Belvin, Marcia, ...
A prominent response during the Drosophila host defence is the induction of proteolytic cascades, some of which lead to localized melanization of pathogen surfaces, while others activate one of the...
A serpin mutant links Toll activation to melanization in the host defence of Drosophila
Ligoxygakis, Petros, Pelte, Nadège, Ji, Chuanyi, Leclerc, Vincent, Duvic, Bernard, Belvin, Marcia, ...
A prominent response during the Drosophila host defence is the induction of proteolytic cascades, some of which lead to localized melanization of pathogen surfaces, while others activate one of the...