语义覆盖网络可扩展性好，但要么难以组织，要么维护开销很大。
Contrastively, semantic overlay network is scalable but either is difficult to organize or take too large maintenance spending.
针对广域网络环境下面向用户需求的信息服务要求，本文设计了一种基于语义覆盖网络的信息组织与服务体系框架。
This paper aims at the demands of user-requirements-oriented information services, and puts forward an information organization and service framework based on semantic overlay networks.
针对广域网络环境下面向用户需求的信息服务要求，本文设计了一种基于语义覆盖网络的信息组织与服务体系框架。
This paper aims at the demands of user-requirements-oriented information services, and puts forward an information organization and service framework based on semantic overlay networks.
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