Guangdong University of foreign Studies

www.gdufs.edu.cn/
Guangzhou, China

Guangdong University of Foreign Studies is a public university in Guangzhou, Guangdong, China. Guangdong University of Foreign Studies, which enjoys a high degree ofinternationalization, is a birthplace of competent graduates of internationalcaliber. It leads South China in the research of foreign languages andcultures, overseas economy and trade, and international strategies. The universityoffers 61 bachelor-degree specialties and teaches 18 foreign languages. In2014, it boasted 20189 undergraduate students and 2818 postgraduate anddoctoral students, and over 12000 students of continuing education and overseasstudents. The school has a state-level key discipline and seven province-level keydisciplines. The state-level key discipline of Foreign Language and Literatureis given priority in the third-phase development of Guangdong province’s Project 211 . The school has established close ties with a host ofinternational organizations and leading academic agencies. As South China’sfirst university that signed a cooperation memorandum with the United Nations,it is one of the world’s 21 universities qualified to supply competent interpretersand translators to the international organization. It is also the only universityof foreign languages in China that is included in Campus Asia. Wikipedia.

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Yang J.,Guangdong University of foreign Studies | Yang J.,Pennsylvania State University | Gates K.M.,Pennsylvania State University | Molenaar P.,Pennsylvania State University | Li P.,Pennsylvania State University
Journal of Neurolinguistics | Year: 2015

A great deal of research has examined behavioral performance changes associated with second language learning. But what changes are taking place in the brain as learning progresses? How can we identify differences in brain changes that reflect successes of learning? To answer these questions, we conducted a functional magnetic resonance imaging (fMRI) study to examine the neural activities associated with second language word learning. Participants were 39 native English speakers who had no prior knowledge of Chinese or other tonal language, and were trained to learn a novel tonal vocabulary in a six-week training session. Functional MRI scans as well as behavioral performances were obtained from these learners at two different times (pre- and post-training). We performed region of interest (ROI) and connectivity analyses to identify effective connectivity changes associated with success in second language word learning. We compared a learner group with a control group, and also examined the differences between successful learners and less successful learners within the learner group across the two time points. Our results indicated that (1) after training, learners and non-learners rely on different patterns of brain networks to process tonal and lexical information of target L2 words; (2) within the learner group, successful learners compared to less successful learners showed significant differences in language-related regions; and (3) successful learners compared to less successful learners showed a more coherent and integrated multi-path brain network. These results suggest that second language experience shapes neural changes in short-term training, and that analyses of these neural changes also reflect individual differences in learning success. © 2014 The Authors.


Gonzales K.,Guangdong University of foreign Studies | Gerken L.,University of Arizona | Gomez R.L.,University of Arizona
Cognition | Year: 2015

Infants might be better at teasing apart dialects with different language rules when hearing the dialects at different times, since language learners do not always combine input heard at different times. However, no previous research has independently varied the temporal distribution of conflicting language input. Twelve-month-olds heard two artificial language streams representing different dialects-a "pure stream" whose sentences adhered to abstract grammar rules like aX bY, and a "mixed stream" wherein any a- or b-word could precede any X- or Y-word. Infants were then tested for generalization of the pure stream's rules to novel sentences. Supporting our hypothesis, infants showed generalization when the two streams' sentences alternated in minutes-long intervals without any perceptually salient change across streams (Experiment 2), but not when all sentences from these same streams were randomly interleaved (Experiment 3). Results are interpreted in light of temporal context effects in word learning. © 2015 Elsevier B.V.


Liu W.,Guangdong University of foreign Studies
International Journal of Uncertainty, Fuzziness and Knowlege-Based Systems | Year: 2017

Vietnamese tokenization is a challenging basic issue, and the corresponding algorithms can be used in many applications of natural language processing. In this paper, we investigate the Vietnamese tokenization problem and propose a supervised ensemble learning (SEL) framework as well as a SEL-based tokenization (SELT) algorithm. Supported by the data structure of syllable-syllable frequency index, the SELT algorithm combines multiple weak tokenizers to form a strong tokenizer. Within the SEL framework, we also investigate the efficient construction problem of a weak tokenizer. We suggest two prediction methods to select a suitable dictionary, and efficiently implement two weak tokenizers by the simple dictionary-based tokenization algorithm. The experimental results show that the SELT algorithm integrating our weak tokenizers can achieve state-of-the-art performance in the Vietnamese tokenization task. © 2017 World Scientific Publishing Company.


Wang J.,Guangdong University of foreign Studies | Xiong X.,Jiangxi Normal University
Chaos | Year: 2012

A general fractional-order dynamical network model for synchronization behavior is proposed. Different from previous integer-order dynamical networks, the model is made up of coupled units described by fractional differential equations, where the connections between individual units are nondiffusive and nonlinear. We show that the synchronous behavior of such a network cannot only occur, but also be dramatically different from the behavior of its constituent units. In particular, we find that simple behavior can emerge as synchronized dynamics although the isolated units evolve chaotically. Conversely, individually simple units can display chaotic attractors when the network synchronizes. We also present an easily checked criterion for synchronization depending only on the eigenvalues distribution of a decomposition matrix and the fractional orders. The analytic results are complemented with numerical simulations for two networks whose nodes are governed by fractional-order Lorenz dynamics and fractional-order Rössler dynamics, respectively. © 2012 American Institute of Physics.


Ma Q.-H.,Guangdong University of foreign Studies | Peari J.,University of Zagreb
Computers and Mathematics with Applications | Year: 2011

By means of a new linear Gronwall-Bellman inequality on time scales and an elementary inequality, the bounds on the solutions of a class of new nonlinear two-dimensional dynamic systems on time scales are obtained. © 2010 Elsevier Ltd. All rights reserved.


Chen A.,Henan University | Wang J.,Guangdong University of foreign Studies
Nonlinear Analysis: Real World Applications | Year: 2012

This paper is concerned with the L2-L∞ controller design problem for delayed linear systems. We first propose a novel class of continuous-time multiple delayed linear systems. The time-delays are assumed to be time-varying continuously differentiable functions, which appear in the state and control input simultaneously. By using the LyapunovKrasovskii functional approach and Jensen integral inequality technique, a sufficient condition for the existence of an L2L∞ controller is formulated in the form of linear matrix inequalities (LMIs). When these LMIs are feasible, the L2L∞ controller is explicitly presented. Finally, a numerical example is provided to demonstrate the effectiveness and feasibility of the developed controller design procedures. © 2011 Elsevier Ltd. All rights reserved.


Peng S.,Zhaoqing University | Yu S.,Deakin University | Yang A.,Guangdong University of foreign Studies
IEEE Communications Surveys and Tutorials | Year: 2014

Smartphones are pervasively used in society, and have been both the target and victim of malware writers. Motivated by the significant threat that presents to legitimate users, we survey the current smartphone malware status and their propagation models. The content of this paper is presented in two parts. In the first part, we review the short history of mobile malware evolution since 2004, and then list the classes of mobile malware and their infection vectors. At the end of the first part, we enumerate the possible damage caused by smartphone malware. In the second part, we focus on smartphone malware propagation modeling. In order to understand the propagation behavior of smartphone malware, we recall generic epidemic models as a foundation for further exploration. We then extensively survey the smartphone malware propagation models. At the end of this paper, we highlight issues of the current smartphone malware propagation models and discuss possible future trends based on our understanding of this topic. © © 2014 IEEE.


Wang J.W.,Guangdong University of foreign Studies | Zhang Y.B.,Hangzhou Dianzi University
Physics Letters, Section A: General, Atomic and Solid State Physics | Year: 2010

The topic of fractional calculus is enjoying growing interest among mathematicians, physicists and engineers in recent years. For complex network consisting of more than two fractional-order systems, however, it is difficult to establish its synchronization behavior. In this Letter, we study the synchronized motions in a star network of coupled fractional-order systems in which the major element is coupled to each of the noninteracting individual elements. On the basis of the stability theory of linear fractional-order differential equations, we derive a sufficient condition for the stability of the synchronization behavior in such a network. Furthermore, we verify our theoretical results by numerical simulations of star-coupled network with fractional-order chaotic nodes. © 2010 Elsevier B.V. All rights reserved.


Ran Y.,Guangdong University of foreign Studies
Journal of Pragmatics | Year: 2013

This study focuses on the metapragmatic negation bushi+. (S). +. V. +. (NP) as a rapport-oriented mitigating device in Chinese interpersonal interaction. After a review of the literature about metapragmatics and Searle's (1969, 1976) categories about speech acts, a classification is made about this construction in terms of the verb force. Some features are found and contextual functions are explored at both explicit and implicit levels. Interpersonal constraints or pragmatic motivations are then discussed so as to explain why the construction is considered a rapport-oriented mitigating device, helping reduce or lessen the negative illocutionary forces or unwelcome effects of what follows in interpersonal interaction.Negation is found sentential in a standard way and metapragmatic in a nonstandard way. This study is about the latter which cannot be treated as negation per se although there is a negation marker bushi 'not', it pragmatically implies " it is not S that V (NP), but (because) ..." as a conventionalized speaker meaning. On the meta level, the speaker is making an explicit statement of " I'm not performing the speech act of V" or " it's not I/we/he who V (you/him)" . However, it cannot be treated as a standard negation in terms of the performative force. The initiated speech act of this construction expresses the speaker's intent of doing V or V-ing, such as " blaming" , " criticizing" , " abusing" or " threatening" , what follows or precedes the construction is quite offensive or face-threatening for the hearer in context, by so doing interpersonal purposes are implied. Thus, I call this a metapragmatic construction, which is a non-denial of speaker intention, and consider it a rapport-oriented mitigating device in terms of its interpersonal purposes since it helps to manage interpersonal relationship in interaction. It is a literal violation of the Gricean Maxim of Quality since it shows on an explicit level that 'saying is doing its opposite' but the flouting or violation does not create implicatures in the Gricean sense (Grice, 1975) that have important communicative functions, and to some degree this challenges the 'saying-is-doing' claim made by Austin (1975). © 2012 Elsevier B.V.


Zhang J.,Guangdong University of foreign Studies
Proceedings of 2010 International Conference on Intelligent Control and Information Processing, ICICIP 2010 | Year: 2010

The traditional dynamic time warping (DTW) algorithm structure was improved and applied to the embedded speech recognition system. Experimental results show that the improved DTW algorithm effectively reduces the amount of data to be processed and the recognition time, improving the system speed and recognition rate. The algorithm shows more advantage as the number of signal to be recognized increases. © 2010 IEEE.

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