Yong-quan Liang

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Co-evolution has been proved by experiments to be a promising technique to achieve the automatic acquisition of the optimal strategies in automated negotiations. However, little theoretical work can be found currently to verify its validity. In this paper, we will use evolutionary game theory and replicator dynamics as theoretical foundation and study the(More)
Important nodes are individuals who have huge influence on social network. Finding important nodes in social networks is of great significance for research on the structure of the social networks. Based on the core idea of Pagerank, a new ranking method is proposed by considering the link similarity between the nodes. The key concept of the method is the(More)
As agents must comply with a protocol in any communication and interaction, each multi-agent platform had better offer a mechanism to enable agents dynamically load proper protocols according to the interaction mechanism. For this purpose, this paper proposes a protocol ontology framework, and implements it on the Java Agent Development framework (JADE)(More)
As self-interested agents and malicious agents often launch various attacks to reputation systems and these attacks are usually deceptive, collusive, or strategic, it is difficult to keep reputation systems robust against multifarious attacks. Many filtering strategies have been designed for providing robust reputation evaluation and minimizing honest(More)
BACKGROUND & OBJECTIVE Recently, some scholars advocate perioperative chemotherapy for colorectal cancer. This study aimed to investigate the impact of perioperative chemotherapy on the prognosis of colorectal cancer. METHODS From Aug. 2001 to Aug. 2003, 167 patients with Dukes'B or C colorectal cancer were randomized into two groups: 82 in trial group(More)
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