Form,interpretation, and the uniqueness of content: Response to Morris

In response to Michael Morris, I attempt to refute the crucial second premise of the argument, which states that the formality condition cannot be satisfied non-stipulatively in computational systems. I defend the view of representation urged in Meaning and Mental Representation against the charge that it makes content stipulative and therefore irrelevant to the explanation of cognition. Some other reservations are expressed.     

Connectionism isn't magic

Ramsey, Stich and Garon's recent paper Connectionism, Eliminativism, and the Future of Folk Psychology claims a certain style of connectionism to be the final nail in the coffin of folk psychology. I argue that their paper fails to show this, and that the style of connectionism they illustrate can in fact supplement, rather than compete with, the claims of a theory of cognition based in folk psychology's ontology. Ramsey, Stich and Garon's argument relies on the lack of easily identifiable symbols inside the connectionist network they discuss, and they suggest that the existence of a system which behaves in a cognitively interesting way, but which cannot be explained by appeal to internal symbol processing, falsifies central assumptions of folk psychology. My claim is that this argument is flawed, and that the theorist need not discard folk psychology in order to accept that the network illustrated exhibits cognitively interesting behaviour, even if it is conceded that symbols cannot be readily identified within the network.This paper was in part prepared whilst I was a Vacation Scholar at the Automated Reasoning Project, Australian National University. It was presented in its present form to the Department of Philosophy, Institute of Advanced Studies, ANU. I owe a deep gratitude to many people who read and commented on earlier drafts of this paper, especially Phillip Staines and Phillip Cam from UNSW, Ed Mares from the Automated Reasoning Project at the ANU, and Frank Jackson, Karen Neander and David Braddon-Mitchell from the Philosophy Department, IAS, ANU. All the paper's faults are, of course, mine.     

浅析劳伦斯《儿子与情人》中"黑暗"和"花"的象征意义

劳伦斯在他的自传体小说<儿子与情人>中运用了大量象征.借助于隐晦的意象和象征性的语言,作者诠释了小说的内在主旨和人物复杂隐蔽的心理.文章着重探究"黑暗"和"花"的象征意义.     

基于Mapobjects的全球矿产资源信息系统中矿产地符号设计与应用

MapObjects是一种功能强大的GIS开发组件,但它并未提供一个专用的地质、矿产地图形符号库。利用Visual Basic 6.0和MapObjects以及数据库软件Access设计了基于TrueType字体可扩展的矿产地符号库,通过MapObjects的渲染功能,实现矿产地符号与TrueType代码索引之间关联,通过符号的组合,颜色的改变,可进行矿产地符号的快速、无限的扩充。     

The use of art for the study of symbols.

"All symbols function within a complex network of matrices and potential choices which can perhaps be explained up to a point, but not translated into exact equivalences unless a happy accident provides one." Art "was once the servant of symbolism and not symbolism the servant of art. I believe the study of known symbols in artistic contexts, be they in painting, music, or poetry might indeed elucidate to the psychologist what forms, colors, rhythms, or sounds are felt to go with what meanings. They might direct his attention to the old doctrine of decorum which is precisely concerned with the search of such fitting or appropriate matches." The effect of art on the receiver is a multiple kind of message; in the work of art the matrices are not neatly separated; they are telescoped and condensed into one. "The effect of this simultaneity can be dramatic. There is no doubt that Freud's discoveries have enabled us to look deeper both into the consonance and the dissonance of multiple meanings that interlink in the structure of artistic symbols." Historically, art did not begin as self-expression, "but as a search for metaphors commanding assent among those who wanted the symbols of their faith to make visible the invisible, who looked for the message of the mystery." (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Datalog extension for nested relations

The nested relational model allows relations that are not in first normal form. This paper gives an extension of Datalog rules for nested relations. In our approach, nested Datalog is a natural extension of Datalog introduced for the relational data model. A nested Datalog program has a hierarchical structure of rules and subprograms to manipulate relation values of nested relations. We introduce a new category of predicate symbols, the variable predicate symbols to refer to tuples of subrelations. The notion of soundness, safety and consistency is defined to avoid undesirable nested Datalog programs. The evaluation of nested Datalog is given in terms of the nested relational algebra. Finally, we relate the expressive power of nonrecursive nested Datalog to the power of nested relational algebra and safe nested tuple relational calculus.     

焊缝符号标注软件的开发研究

介绍了焊缝符号标注软件 Ｗ Ｓ Ｍ 的研究及其开发, 阐述了 Ｗ Ｓ Ｍ 软件的构成、功能及特点。     

基于导频符号的信道估计算法研究

正交频分复用(OFDM)是一种高效的数字传输技术,因其较高的频带利用率以及抗多径衰落的性能,被视为下一代无线通信的核心技术.信道估计技术是实现OFDM系统的关键技术之一.文中主要研究了OFDM无线系统中基于导频的信道估计算法--LS算法和LMMSE算法, 通过仿真其算法的误码率特性和均方误差性能表明,LMMSE的性能明显优于LS.     

一种基于分散导频块的频偏估计新算法

针对短突发信号解调的需要,提出了一种基于分散导频块的频偏估计新算法。区别于以往基于连续导频的频偏估计算法,该算法除利用了导频本身已知信息外,还充分利用了导频的位置信息。在相同的帧效率下,相比于基于连续导频的频偏估计算法,该算法可以获得更好的估计性能。理论分析和仿真结果都表明,该算法在其无偏估计范围内估计性能达到了相应帧结构下的克拉美罗界。