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Objective and design The objective was to determine the expression of CD200 in the pre-retinal proliferative fibrovascular membranes (PFVM) of patients with proliferative diabetic retinopathy (PDR) and to clarify its correlation with vascular endothelial growth factor (VEGF) and corresponding receptors. Methods PFVM samples were collected by vitrectomy from 14 patients with PDR, and 11 non-diabetic...
To protect our networks against malicious intrusions, we need to evaluate these networks security. Previous works on attack graphs have provided meaningful conclusions on security measurement. However, large attack graphs are still hard to be understood vividly, and few suggestions have been proposed to prevent inside malicious attackers from attacking networks. To address these problems, we propose...
Attack graphs play important roles in analyzing network security vulnerabilities, and previous works have provided meaningful conclusions on the generation and security measurement of attack graphs. However, it is still hard for us to understand attack graphs in a large network, and few suggestions have been proposed to prevent inside malicious attackers from attacking networks. To address these problems,...
Since attack graphs provide practical attack context and relationships among vulnerabilities, researchers have been trying to evaluate network security based on attack graphs. However, previous works focus their attention on specific evaluations they concerned, and each does things in his own way. There is no explicit way telling network administrators how to measure network security in a general...
To address the scalability problem in attack graphs generation, we propose a novel method to generate attack graphs automatically. Our approach constructs a two- tier attack graph framework, which includes a host access graph and some sub-attack graphs. A sub-attack graph describes concrete attack scenarios from one source host to one target host, while the host access graph describes the attacker's...
Attack graphs are important tools for analyzing network security vulnerabilities. Recently, the generation method of attack graphs is a hot topic to the security researchers. As previous works encounter the scalability problem and inaccurate input information problem, we propose a novel method to automatic construction of attack graphs based on probability. After introducing prior-probability, match-probability,and...
Identity based cryptography (IBC) was introduced into peer-to-peer (P2P) networks recently for identity verification and authentication purposes. However, current IBC-based solutions could not address the problem of secure private key issuing. In this paper we propose SKIP: a novel secure key issuing scheme for P2P networks using IBC. We present an IBC infrastructure setup phase, a peer registration...
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