翻译英文资料急用！要手工翻译的，不要自动翻译的。翻译的大致对就行。
Protection of Virtual Property in Online Gaming
1 Introduction
The Massively Multiplayer Online Role-Playing Gaming(MMORPG) is a popular computer entertainment in Asia. Played by more than one person over the Internet, MMORPG has turned into a successful business. According to theforecast of DataMonitor.com, the global online gaming
market will grow to $3.2 billion and 113 million players in 2005 [1]. However, many problems have arisen and greatlyinfluenced our society with the growth of online gaming. Forinstance, based on the annual criminal statistics report ofTaiwan [2], over 30% criminal cases are related to online
gaming. In addition, our further research [3, 4] has shown that most of the online gaming crimes are related to misappropriation of virtual properties since some MMORPG virtual properties have very high monetary values for trading in the marketplace. According to the estimation of NewScientist.com, real-world sales of virtual resourcesgained within MMORPGshas surpassed $100 million
worldwide [5]. Another reason is that the systems themselves only have weak protection for virtual properties. Until now there has been little published research or technologiesproposed for virtual property protection. In order to manage and protect the virtual properties in the MMORPGs, we propose a virtual property management language (VPML) in this paper. By investigating the
management requirements of virtual properties in MMORPGs, we define the core models for VPML withprovisions for security mechanisms. Key entities include:trading agreement entity, history event entity, and securityentity. VPML could provide different levels of security protection for virtual properties by choosing different security mechanisms in order to get a balance among
required security level, efficiency, and scalability. Thismakes the systems more flexible, for instance, we couldchoose a higher level of security protection for thevaluable virtual properties, and a lower level of securityprotection for those virtual properties of less value.The rest of this paper is organized as follows. Somebackground research on MMORPG is briefly described in Section 2. In Section 3, the management requirements for virtual property are analyzed and summarized. In Section
4, the Virtual Privacy Management Language is described including VPML models and the requirements of the MMORPG systems. Several VPML XML examples are introduced in Section 5 to demonstrate how VPML worksunder the different management scenarios. The conclusions are presented in Section 6.
2 MMORPG
MMORPG is one kind of online gaming played over the Internet by many players from geographically diverselocations. The architecture for MMORPGs is based on the client-server technology.
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