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The Role of Metaphors in Descriptions of Emotions 隐喻在情感描述中的作用
Pub Date : 1987-01-07 DOI: 10.3115/980304.980346
A. Ortony, Lynn Fainsilber
Why do we use metaphors? For nearly 2000 years, the most generally accepted answer was that people only use metaphors for rhetorical purposes. Metaphorical language was thought to be merely ornamental -the seasoning of language, exploited for effect by poets and politicians 1, as compared with the cold factual language of the scientist. This view, however, is now no longer accepted (see, for example, Gentner, 1982; Boyd, 1979). It is now assumed, at least by psychologists and linguists, that metaphors, and their close cousins, analogies, are important tools of cognition and communication, providing us with unfamiliar ways of conceptualizing familiar things, and familiar ways of conceptualizing unfamiliar things (Lakoff & Johnson, 1980; Ortony, 1979; Vosniadou & Ortony, in preparation). Yet, what is still assumed, rather than demonstrated, is that nonliteral uses of language are sometimes necessary for accomplishing such goals, rather than merely convenient or elegant ways of doing so. In this paper we present a sort of empirical existence proof that there are some things whose descriptions appear to invoke much more use of metaphorical language than others. This, while not establishing the necessity of metaphors, certainly is a first step.
我们为什么要使用隐喻?近两千年来,最普遍接受的答案是,人们只是为了修辞目的而使用隐喻。比喻性的语言被认为仅仅是一种装饰——一种语言的调味剂,被诗人和政治家用来达到效果,而科学家的语言则是冷冰冰的事实。然而,这种观点现在已不再被接受(例如,见genner, 1982;博伊德,1979)。现在,至少心理学家和语言学家认为,隐喻及其近亲类比是认知和交流的重要工具,为我们提供了将熟悉的事物概念化的不熟悉方式,以及将不熟悉的事物概念化的熟悉方式(Lakoff & Johnson, 1980;Ortony, 1979;Vosniadou & Ortony,筹备中)。然而,人们仍然假设,而不是证明,非字面的语言使用有时是实现这些目标所必需的,而不仅仅是方便或优雅的方式。在本文中,我们提出了一种经验的存在性证明,即有些事物的描述似乎比其他事物更需要使用隐喻语言。这虽然没有确立隐喻的必要性,但无疑是第一步。
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引用次数: 71
Position Paper on Metaphor 关于隐喻的立场文件
Pub Date : 1987-01-07 DOI: 10.3115/980304.980348
G. Lakoff
My research has focussed mainly on conventional metaphor built into the conceptual system on which our everyday language is based. What I and others have found is that metaphor plays a major role in semantics. It is the means by which domains of experience that are not highly structured on their own terms get structured on the basis of other, highly-structured domains. Domains need structure so that one can reason about them. The major function of metaphor is thus to supply structure in terms of which reasoning can be done. What we have-found is that an enormous amount of our reasoning is metaphorical (see Lakoff, 1986b; Lakoff and Johnson, 1987; Johnson, 1087; Turner, 1987; Holland and Quinn, 1987; and especially Quinn, in preparation).
我的研究主要集中在我们日常语言所基于的概念系统中的传统隐喻。我和其他人发现隐喻在语义学中起着重要作用。这是一种方法,通过这种方法,那些本身没有高度结构化的经验领域在其他高度结构化的领域的基础上得到了结构化。领域需要结构,以便人们可以对它们进行推理。因此,隐喻的主要功能是提供推理所依据的结构。我们发现,我们大量的推理都是隐喻性的(见Lakoff, 1986b;Lakoff和Johnson, 1987;约翰逊,1087;特纳,1987;Holland and Quinn, 1987;尤其是奎恩,在准备中)。
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引用次数: 6
Unification and Some New Grammatical Formalisms 统一和一些新的语法形式
Pub Date : 1987-01-07 DOI: 10.3115/980304.980314
A. Joshi
The key idea in the unification-based approaches to grammar is that we deal with informational structures (called feature structures) which encode a variety of linguistic information (lexical, syntactic, semantic, discourse, perhaps even cross-linguistic) in a uniform way and then manipulate (combine) these structures by means of a few (one, if possible) welldefined operations (unification being the primary one). The feature structures consist of features and associated values, which can be atomic or complex i.e., feature structures themselves. In other'words, the values can be from a structured set. The unification operation builds new structures and together with some string combining operation (concatenation being the primary one) pairs the feature structures with strings (Schieber, 1986).
基于统一的语法方法的关键思想是,我们以统一的方式处理信息结构(称为特征结构),这些结构以统一的方式编码各种语言信息(词汇、句法、语义、话语,甚至跨语言),然后通过一些(如果可能的话)定义良好的操作(统一是主要的)来操纵(组合)这些结构。特征结构由特征和相关值组成,这些值可以是原子的,也可以是复杂的,即特征结构本身。换句话说,这些值可以来自一个结构化的集合。统一操作构建新的结构,并与一些字符串组合操作(连接是主要操作)将特征结构与字符串配对(Schieber, 1986)。
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引用次数: 7
The Rate of Progress in Natural Language Processing 自然语言处理的进展速度
Pub Date : 1987-01-07 DOI: 10.3115/980304.980330
N. Sondheimer
Abstract : The rate of progress in natural language processing has been disappointing to many, including myself. It is not just that the popular press has had overblown expectations, but that we at this meeting have. The consequences of these errors could be severe. Hopefully, this short note will give an accurate evaluation of our rate of progress, identify what some of the problems have been, and present some reasonable suggestions on what can be done to improve the situation. Given that we want to take our ideas down the chain from theoretical research to empirical study and beyond and that natural language is an extremely difficult task, how can we proceed? There is only one answer: work within our current limits. Let's treat our work as that of successive approximations. Let us forget about the unexplored problems for the time being. Let us see what we can really do with the proposals we have that seem to work. Basically, let us emphasize building systems and full-scale components for a while. For example, why don't a group of us take the best parser, the best semantic interpreter, the best generator, the best inference system, etc., and tie them together? Then let's pick a domain of discourse and make them work for more than a few sentences. Let's beat on them until they work for as much of language as they appear capable. While we are at it, let's make the system as fast, as robust, as portable, as maintainable, etc., as we possibly can. Similarly, let's beat on individual components in the same way. I know there is no guarantee this approach will produce a useful system or component. But even if we fail to produce something worth going further with, we will have learned a lot about what works and what doesn't. If those results are not allowed to be lost, the next effort can do better. Of course, a problem with this approach lies in the source of our funds.
摘要:自然语言处理的进展速度让很多人失望,包括我自己。不仅是大众媒体的期望过高,我们在这次会议上也是如此。这些错误的后果可能是严重的。希望这篇短文能对我们的进展速度给出一个准确的评价,找出存在的一些问题,并就如何改善现状提出一些合理的建议。考虑到我们想把我们的想法从理论研究带到实证研究,甚至更远的地方,而自然语言是一项极其困难的任务,我们该如何进行呢?答案只有一个:在我们目前的限度内工作。我们把我们的功看作是连续逼近的功。让我们暂时忘掉那些尚未解决的问题吧。让我们看看,对于我们现有的似乎可行的建议,我们究竟能做些什么。基本上,让我们暂时强调构建系统和全尺寸组件。例如,为什么我们一组人不把最好的解析器、最好的语义解释器、最好的生成器、最好的推理系统等结合在一起呢?然后让我们选择一个话语领域,让它们在几个句子中发挥作用。让我们打击他们,直到他们尽可能多地学习语言。当我们这样做的时候,让我们尽可能地使系统快速、健壮、便携、可维护等等。同样,让我们以同样的方式对单个组件进行测试。我知道不能保证这种方法会产生有用的系统或组件。但是,即使我们不能创造出值得进一步发展的东西,我们也会学到很多关于什么是有效的,什么是无效的。如果不允许失去这些成果,下一次的努力可以做得更好。当然,这种做法的一个问题在于我们的资金来源。
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引用次数: 2
Bidirectional Grammars and the Design of Natural Language Generation Systems 双向语法与自然语言生成系统的设计
Pub Date : 1987-01-07 DOI: 10.3115/980304.980352
D. Appelt
Intuit ively considered, a grammar is bidirectional if it can be used by processes of approximately equal computat ional complexity to parse and generate sentences of a language. Because we, as computat ional linguists, are concerned with the meaning of the sentences we process, a bidirectional grammar must specify a correspondence between sentences and meaning representations, and this correspondence must be represented in a manner tha t allows one to be computed from the other. Most research in computat ional linguistics has focused on one or the other of the two sides of the problem, with the result tha t relatively little a t tent ion has been given to the issues raised by the incorporation of a single grammar into a system for tasks of both comprehension and generation. Clearly, if it were possible to have t ruly bidirectional grammars in which both parsing and generation processes were efficient, there would be some compelling reasons for adopting them. First , Occam's razor suggests tha t , if language behavior can be explained by hypothesizing only one linguistic representation, such an explanation is clearly preferable to two tha t are applicable in complementary circumstances. Also, from the practical s tandpoint of designing systems tha t will carry on sophisticated dialogues with their users, a single unified formalism for specifying the syntax and semantics of the language is likely to result in a simpler, more robust implementation. The problems of mainta ining consistency between comprehension and generation components when one of them changes have been eliminated. The lexicon is also simpler because its entries need be made but once, and there is no problem of mainta ining consistency between different lexical entries for unders tanding and generation. It is obvious tha t not all grammars are bidirectional. The most fundamental requirement of any bidirectional grammar is tha t it be represented declaratively. If any information is represented procedurally, it must of necessity be represented differently for parsing and generation processes, resulting in an asymmetry between the two. Any change in the grammar would have to be made in two places to mainta in the equivalence between the syntactic and semantic analyses given to sentences by each process. A grammar like DIAGRAM [8] is an example of a grammar for which the encoding of linguistic information
直观地看,如果一个语法可以被计算复杂度大致相等的过程用来解析和生成一种语言的句子,那么它就是双向的。因为我们,作为计算语言学家,关心的是我们处理的句子的意义,双向语法必须指定句子和意义表示之间的对应关系,并且这种对应关系必须以一种允许从另一个计算出来的方式来表示。计算语言学的大多数研究都集中在问题的两个方面中的一个或另一个,结果是相对较少的关注将单一语法合并到一个用于理解和生成任务的系统中所引起的问题。显然,如果有可能拥有真正的双向语法,其中解析和生成过程都是有效的,那么采用它们将有一些令人信服的理由。首先,奥卡姆剃刀理论表明,如果语言行为只能通过假设一种语言表征来解释,那么这种解释显然比两种适用于互补环境的解释更可取。此外,从设计与用户进行复杂对话的系统的实际角度来看,用于指定语言的语法和语义的单一统一形式可能会导致更简单,更健壮的实现。当其中一个组件发生更改时,维护理解组件和生成组件之间一致性的问题已经消除。该词典也更简单,因为它的条目只需要制作一次,并且不存在维护不同词汇条目之间的一致性以进行理解和生成的问题。很明显,并非所有语法都是双向的。任何双向语法的最基本要求都是声明性地表示。如果任何信息是按过程表示的,那么它在解析和生成过程中必然会以不同的方式表示,从而导致两者之间的不对称。语法的任何更改都必须在两个地方进行,以保持每个过程对句子进行的语法和语义分析之间的等价性。像DIAGRAM[8]这样的语法就是语言信息编码的语法的一个例子
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引用次数: 79
Generation Systems Should Choose Their Words 发电系统应该选择自己的措辞
Pub Date : 1987-01-07 DOI: 10.3115/980304.980356
Mitchell P. Marcus
Almost all current natural language generation (NLG) systems, as contrasted with current NL understanding (NLU) systems, have one somewhat surprising property in common: Most current NLG systems don't use words at all. Such systems operate by incrementally specifying fragments of linguistic structure in a top-down fashion, typically inserting specific lexical items only when the frontier of the structure is encountered. In some important sense, these systems have no real knowledge of lexical semantics and only rarely make lexical choices. Instead they choose between one tree fragment or another, only rarely able to see the leaves for the trees. Somehow the fact that particular words have particular meanings is incidental to the operation of these systems; they use fragments of linguistic structure which eventually have words as their frontiers, but they have little or no explicit knowledge of these words and what they mean. At best, these systems assume that each conceptual primitive corresponds to a particular unique lexical item or phrase, trivializing the problem of lexical choice to one of table lookup, and trivializing the problem of lexical semantics to the claim that the meaning of the word can be represented by the same word in upper case, more or less. While this practice may suffice for generation systems for narrow application domains, it is most certainly wrong from a cognitive point of view.
与当前的自然语言理解(NLU)系统相比,几乎所有当前的自然语言生成(NLG)系统都有一个令人惊讶的共同点:大多数当前的NLG系统根本不使用单词。这种系统以自上而下的方式逐步指定语言结构的片段,通常只在遇到结构的边界时插入特定的词汇项。从某种重要意义上说,这些系统没有真正的词汇语义知识,很少做出词汇选择。相反,他们在一个或另一个树的碎片之间选择,很少能看到树的叶子。在某种程度上,特定单词具有特定含义的事实是这些系统运行的附带因素;他们使用语言结构的碎片,最终将单词作为他们的边界,但他们对这些单词及其含义知之甚少或根本没有明确的知识。这些系统充其量假设每个概念原语对应于一个特定的唯一词汇项或短语,将词汇选择问题简化为表查找问题,并将词汇语义问题简化为声称单词的含义可以或多或少地用大写的相同单词表示。虽然这种做法可能足以满足狭窄应用领域的生成系统,但从认知的角度来看,它肯定是错误的。
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引用次数: 16
Position Paper: Event Reference 立场文件:事件参考
Pub Date : 1987-01-07 DOI: 10.3115/980304.980341
B. Webber
1. I n t r o d u c t i o n Developing a computational account of event reference requires solution to a number of difficult problems, not least of which is characterizing the phenomenon itself. From a listener's point of view, eveni reference encompasses both the task of building up a structured model of the events and situations underlying a given text and the task of interpreting subsequent references to these events and situations afterwards. A computational approach to these tasks requires at least (1) a characterization of the information that an individual clause may convey about an event or situation; (2) a characterization of explicit clues a text gives as to how the pieces described in individual clauses fit together (assuming, as I do, that this does not rely solely on world knowledge; (3) an account of what the listener does in processing an explicit event reference; (4) a characterization of what events and situations are available for explicit reference; and (5) a procedure for choosing among possible ways of resolving an explicit event reference.
1. 发展事件参考的计算解释需要解决许多困难的问题,其中最重要的是表征现象本身。从听者的角度来看,even reference既包括为给定文本的事件和情境建立一个结构化模型的任务,也包括随后对这些事件和情境的后续引用进行解释的任务。这些任务的计算方法至少需要(1)对单个子句可能传达的关于事件或情况的信息进行表征;(2)对文本给出的明确线索的特征描述,即单个从句中描述的片段如何组合在一起(假设,就像我一样,这并不完全依赖于世界知识;(3)听者在处理显性事件参考时所做的描述;(4)描述哪些事件和情况可以明确参考;(5)在解析显式事件引用的可能方法中进行选择的程序。
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引用次数: 3
Natural Language Processing: What’s Really Involved? 自然语言处理:真正涉及的是什么?
Pub Date : 1987-01-07 DOI: 10.3115/980304.980329
R. Schank, A. Kass
The question before us is whether or not NLP has gone anywhere since the last TINLAP. The answer depends strongly on what we take NLP to be. If we accept the common assumption that language processing can be isolated from the rest of cognition, and that the goal of NLP research to study language as a formal system independent of such (admittedly difficult) issues as memory, learning, and explanation, then our conclusion is grim. Not only has this approach failed to make significant progress in the eight years since TINLAP2, it is permanently doomed to failure because it misses the point of what language is all about. It is only possible for research on understanding natural language to make progress when the researchers realize that the heart of NLU is the understanding process, not language per se.
摆在我们面前的问题是,自上次TINLAP以来,NLP是否有所进展。答案很大程度上取决于我们如何看待NLP。如果我们接受这样一个普遍的假设,即语言处理可以从认知的其余部分中分离出来,并且NLP研究的目标是将语言作为一个独立于记忆、学习和解释等(公认困难的)问题的形式系统来研究,那么我们的结论是严峻的。这种方法不仅没有在TINLAP2之后的八年中取得重大进展,而且注定要永远失败,因为它错过了语言的全部意义。只有当研究者意识到非语言学习的核心是理解过程而不是语言本身时,自然语言理解研究才有可能取得进展。
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引用次数: 2
Discourse Representation Theory and the Semantics of Natural Languages: Contribution to a Panel on “Discourse Theory and Speech Acts” TINLAP3 话语表征理论与自然语言的语义:对“话语理论与言语行为”专题讨论会的贡献
Pub Date : 1987-01-07 DOI: 10.3115/980304.980327
F. Guenthner
[1] Is there yet any serious discourse theory with testable computational and empirical consequences? [2] What phenomena ought a processing theory of discourse understanding/generation to address itself that are not already being attended to currently? [3] What aspects of discourse are language problems and which are general AI/KR problems? [4] What makes a theory of discourse a processing theory? [5] Does spoken language affect one's theory of discourse? [6] Is there any real hope that we will be able to recognize the plans/goals etc. of a speaker? [7] How much of conversation is carried on through the linguistic window anyway? [8] Do current theories of text and dialogue mesh, and should they?
[1]是否有严肃的话语理论具有可测试的计算和经验结果?[2]话语理解/生成的加工理论应该解决哪些目前尚未得到关注的现象?[3]话语的哪些方面是语言问题,哪些是一般的AI/KR问题?[4]是什么使语篇理论成为加工理论?[5]口语会影响一个人的话语理论吗?[6]我们真的有希望辨认出说话者的计划/目标等吗?[7]究竟有多少对话是通过语言窗口进行的呢?[8]当前的文本和对话理论是否一致?它们应该一致吗?
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引用次数: 0
On keeping logic in its place 保持逻辑的合理性
Pub Date : 1987-01-07 DOI: 10.3115/980304.980333
Y. Wilks
There need be no real dispute on this panel about what is meant , in the broades t terms, by formal semant ics (FS) when opposed to c o m m o n s e n s e semant ics (CSS): after registering his complaints and worries, the opposit ion David Israel opts for in his paper is broadly the one adopted here, and the model theore t ic semanticis ts he mentions will do just fine for me, and I suspect for Karen Sparck-Jones in her characterisation of a " logicis t" approach to natural language processing. As will appear below, though, I want to list a range of s t rengths of FS c o m m i t m e n t , no t all of which are modeltheoret ic . So, whatever we find to argue about on this panel, it n e e d n ' t be those two terms.
没有真正需要争端在这个小组是什么意思,广义t而言,通过正式semant ics (FS)当反对c o m m o n s e n s e semant ics (CSS):登记后他的抱怨和担忧,降落区的离子大卫以色列选择在他的论文中广泛采用的一个,和模型定理t ic semanticis ts他提到会很好对我来说,我怀疑凯伦Sparck-Jones在她描述的“t logicis”自然语言处理的方法。但是,正如下面所示,我想列出FS c到m m到m m到m m到m m到m m到t的范围,并不是所有这些都是模型理论的。所以,无论我们在小组讨论中发现什么,都不应该是这两项。
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引用次数: 4
期刊
Theoretical Issues In Natural Language Processing
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