意向体验与文学流动性:以《威尼斯商人》为例

本文从意向性角度论及文学流动性,涉及书写与研究两个层面。前者将某些流动性意象作为衬托主旨的呈现方式;后者依据文本环境和特质的流变不断调整理论指向。这两个层面虽然形成某种文学流动性,并在历史时期以不同的侧重点生成意义,但其中的创作、传播、接受以及研究等环节都难以脱离意向性这一关键要素。该角度有助于在研究中将其中的主体意向性行为进行同构,在避免表层罗列流动性意象的同时,以意向性的实现方式揭示文学意义的建构。作者以《威尼斯商人》为例,说明经典样本不仅及时反映出社会文化现象,而且有效地将认知性观念融入公共意识之中。由此,文学作为观念的艺术呈现方式有效链接了历史文化功能与审美价值。

Epidemiological modeling of passive worm propagation on the P2P file-sharing network

The peer-to-peer（P2P） file-sharing network as a vehicle of disseminating files has become very popular. The appearance of dozens of kinds of passive worms on this network has, however, made it unsecured. This problem has been paid attention and a few of models for passive worm propagation has been presented. Unfortunately, the dynamic properties of this network are ignored in these models. Given the fact, the characteristics of both this network and the passive worm are identified, and on this basis a new mathematical model of passive worm propagation on the P2P network is presented in applying epidemiology in this paper. Note that the dynamic properties of this network are considered in the presented model. The model has been validated by large scale simulation experiments, which demonstrates that the presented model may be used for analyzing the behaviors of passive worms and predicting the trend of their propagation.