Spoken vocabulary growth: Its role in the development of phoneme awareness and early reading ability     

Walley  Amanda C.  Metsala  Jamie L.  Garlock  Victoria M. 《Reading and writing》2003,16(1-2):5-20

In this paper, two theoretical positionsregarding the developmental origins of thephoneme as a unit for lexical representationand processing are outlined – theaccessibility and emergent positions. OurLexical Restructuring Model (Metsala & Walley1998), which is consistent with the secondposition, focuses on the role of vocabularygrowth in prompting the implementation of morefine-grained, segmental representations forlexical items in childhood; this restructuringis viewed as an important precursor to theexplicit segmentation or phoneme awarenessskills implicated in early reading success.Empirical evidence that supports this model issummarized, including preliminary results fromone of our most recent studies. Severalsuggestions are made for future research thatwill lead to a better understanding of thedevelopment of spoken word recognition and thelinks between speech- and reading-relatedabilities.  相似文献   

Using lexical chains for keyword extraction   总被引：9，自引：0，他引：9  

Gonenc Ercan  Ilyas Cicekli   《Information processing & management》2007,43(6):1705

Keywords can be considered as condensed versions of documents and short forms of their summaries. In this paper, the problem of automatic extraction of keywords from documents is treated as a supervised learning task. A lexical chain holds a set of semantically related words of a text and it can be said that a lexical chain represents the semantic content of a portion of the text. Although lexical chains have been extensively used in text summarization, their usage for keyword extraction problem has not been fully investigated. In this paper, a keyword extraction technique that uses lexical chains is described, and encouraging results are obtained.  相似文献   

汉语框架网络知识本体构建研究   总被引：2，自引：0，他引：2       下载免费PDF全文

贾君枝  陈幼华 《中国图书馆学报》2007,33(2)

汉语框架网络知识本体是以框架语义学为理论基础,有丰富的语料库支撑,揭示了概念的本体关系。其获取,是在构建语料库的基础上,利用叙词表、分类表和其他知识分类体系等现有的知识本体,识别领域内外相关的概念并抽取相应属性,建立概念之间的关系,并利用所识别的概念和关系创建新的本体,融合已有的本体和新建本体。图2。参考文献4。  相似文献   

《左传》姓氏名号研究述要     

袁鸣 《阿坝师范高等专科学校学报》2000,(2)

姓氏名号的研究是文化史研究院的重要内容之一 ,要作好这项研究 ,首先必须在各个历史时段 ,选择有代表性的著作进行比较深入细致的调查 ,对《左传》人名中反映的词汇意义、附加意义、人文背景及《左传》的姓与氏等问题进行系统的研究 ,有助于为我国姓氏名号的建立提供有价值的、可靠的素材  相似文献   

英语写作中语块使用的实证研究     

陈丹 《乐山师范学院学报》2015,(7)

提高英语写作技能是英语教学的目标之一,但怎样提高写作水平是英语教学亟待解决的难题。将语块理论引入写作教学,为其提供了新的视角。采用SPSS17．0对140名学习者在写作中使用语块的数据分析,发现其特征如下：从语块使用频度上看,语块使用较少,仅占全文的1/3;从语块使用重复率上看,其重复率较高,接近语块总数的1/3,这表明学习者语块使用不够多样化,种类不丰富;从语块类型上看,短语语块使用较多,句子语块使用较少;从学习者水平上看,高分组限制语块使用较多,低分组固定语块使用较多。  相似文献   

Development of lexical tone awareness in Chinese children with and without dyslexia     

《Contemporary educational psychology》2017

This paper describes two studies that examined the lexical tone awareness of Chinese children both with and without dyslexia at different primary school ages.Study 1 examined the contributions of lexical tone awareness to distinguish children with and without dyslexia with respect to their Chinese character reading skills. Two hundred and seventy Chinese children participated in Study 1. Ninety of these were children with dyslexia (equally recruited from second, fourth, and sixth grades). Moreover, ninety children functioned as a chronological-age control group, and an additional ninety children functioned as a reading-level control group. The participants were tested for nonverbal intelligence, Chinese character reading, and cognitive-linguistic skills and lexical tone awareness. Our results revealed a later developmental ceiling in Chinese children with dyslexia than in those without dyslexia. Furthermore, children’s lexical tone awareness could serve to distinguish children with dyslexia from typically developing children in all primary school years.Study 2 compared the lexical tone awareness and Chinese character reading skills of Chinese children with dyslexia both before and after introducing the Perceptual Training Method. The participants in this study consisted of all the participants with dyslexia from Study 1, and the measurements were the Chinese character reading test and the lexical tone awareness task from Study 1. Our results revealed that only second-grade children with dyslexia gained substantially from the training on both lexical tone awareness and character naming, whereas those in the fourth grade obtained a significant improvement only on lexical tone awareness.  相似文献   

Query expansion with terms selected using lexical cohesion analysis of documents     

Olga Vechtomova  Murat Karamuftuoglu 《Information processing & management》2007

We present new methods of query expansion using terms that form lexical cohesive links between the contexts of distinct query terms in documents (i.e., words surrounding the query terms in text). The link-forming terms (link-terms) and short snippets of text surrounding them are evaluated in both interactive and automatic query expansion (QE). We explore the effectiveness of snippets in providing context in interactive query expansion, compare query expansion from snippets vs. whole documents, and query expansion following snippet selection vs. full document relevance judgements. The evaluation, conducted on the HARD track data of TREC 2005, suggests that there are considerable advantages in using link-terms and their surrounding short text snippets in QE compared to terms selected from full-texts of documents.  相似文献   

模因论指导下的大学英语词块教学模式探索     

韩颖 《苏州教育学院学报》2014,(4):96-100

语言接受能力和产出能力的不平衡是困扰我国大学英语教学的难题。鉴于有效的词块教学是促进学生语言产出能力发展的重要途径,尝试以模因论为借鉴,从模因传播周期的特点出发,结合二语信息加工的过程,探索模因论指导下的大学英语词块教学模式,为切实提高大学生的英语综合应用能力提出教学新思路。  相似文献   

词块理论及其在英语学习者学习习惯养成中的运用     

谢晶晶 《三门峡职业技术学院学报》2014,(4):73-75

交际语言中固定的板块结构被称作词块。词块作为同时具备语法和词汇特征的语言单位,在使用时无需根据语法规则进行再组合,在语言交际中显示出鲜明的优越性。从词块理论入手,以实践教学经验为依据,研究该理论在帮助英语学习者养成正确的学习习惯、提高英语学习效率方面的作用和意义。  相似文献   

词汇空缺现象的认知和历时解释     

刘辉修 《衡阳师范学院学报》2003,24(4):126-128

根据D．A．Cruse提出的三种词汇语义结构关系分析了英汉语中的某些词汇空缺现象，并从认知的心理突显、感知突显和原型特征以及语言的历时性来解释这些词汇空缺现象。  相似文献