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Search Results: 1 - 10 of 80854 matches for " Liu Xinwang "
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Three-way group decision making with linguistic evaluations
Liu Shuli, , Liu Xinwang
- , 2016, DOI: 10.3969/j.issn.1003-7985.2016.04.021
Abstract: Based on linguistic evaluations, a linguistic three-way decision method is proposed. First, the alternatives are rated in linguistic forms and divided into acceptance, rejection and uncertainty regions. Secondly, the linguistic three-way group decision steps are provided. Specifically, the experts determine the lower bound and upper bound of the uncertainty region, respectively. When the evaluation is superior to the upper bound, the corresponding alternative is put into the acceptance region directly. Similarly, when the evaluation is inferior to the lower bound, the corresponding alternative is put into the rejection region directly, and the remaining alternatives are put into the uncertain region. Moreover, the objects in the uncertainty region are especially discussed. The linguistic terms are transformed into fuzzy numbers and then aggregated. Finally, a recommendation example is provided to illustrate the practicality and validity of the proposed method.
A prospect theory-based methodfor linguistic decision making under risk
Liu Shuli, , Liu Xinwang
- , 2017, DOI: 10.3969/j.issn.1003-7985.2017.03.018
Abstract: Based on the prospect theory, a novel linguistic decision method under risk is proposed. First, the alternatives under each risk state are rated using linguistic terms, and the linguistic decision matrix is constructed. Secondly, the linguistic terms are transformed into triangular fuzzy numbers, so that the linguistic evaluations can be changed into numerical forms. Thirdly, with the aid of the prospect theory, the probability weight functions and the linguistic value functions can be computed, based on which the prospective values of the alternatives are obtained. Finally, the alternatives are ranked with respect to the prospective values combined of probability weight and linguistic value functions. Thus, the optimal choice is made. The decision process takes the psychological preferences of the decision maker into consideration. The practicality of the proposed method is illustrated through an application on stock selection problems.
Interval Number Linear Programming and Its Satisfactory Solution
区间数线性规划及其满意解

DA Qingli,LIU Xinwang,
达庆利
,刘新旺

系统工程理论与实践 , 1999,
Abstract: The paper proposes a new method for the linear programming problem with interval number in the objective function and constraint conditions simultaneously. With the concept of constraint satisfactory degree, the decision maker can specify different degrees for the objective function and constraint conditions, and get a corresponding satisfactory solution, the decision process becomes more flexible with the proposed approach.
A 2-tuple Linguistic Model of Information Retrieval
二元语义信息检索模型*

Wu Xinglong Liu Xinwang,
武兴龙
,刘新旺

现代图书情报技术 , 2006,
Abstract: This paper proposes,a 2-tuple linguistic model of information retrieval.The model has three components: the documents,the query and the retrieval mechanism.With respect to other information retrieval model based on precise retrieval,this model can give users more flexibility when they retrieve their desired documents.
An Information Retrieval Model of SGML Format Documents Based on Multi-granularity 2-tuple Linguistic Approach
基于多粒度二元语义的SGML文件信息检索模型*

Zhang Zhijuan Liu Xinwang,
张志娟
,刘新旺

现代图书情报技术 , 2007,
Abstract: In this paper,an information retrieval model of SGML format documents based on multi-granularity 2-tuple linguistic approach is proposed to improve the efficiency of information retrieval.Since Fuzzy Linguistic Approach has been successfully applied to many different areas,especially in the information retrieval area,it is considered the basic theory of this model.
A Computational Model of the Short-Cut Rule for 2D Shape Decomposition
Lei Luo,Chunhua Shen,Xinwang Liu,Chunyuan Zhang
Computer Science , 2014, DOI: 10.1109/TIP.2014.2376188
Abstract: We propose a new 2D shape decomposition method based on the short-cut rule. The short-cut rule originates from cognition research, and states that the human visual system prefers to partition an object into parts using the shortest possible cuts. We propose and implement a computational model for the short-cut rule and apply it to the problem of shape decomposition. The model we proposed generates a set of cut hypotheses passing through the points on the silhouette which represent the negative minima of curvature. We then show that most part-cut hypotheses can be eliminated by analysis of local properties of each. Finally, the remaining hypotheses are evaluated in ascending length order, which guarantees that of any pair of conflicting cuts only the shortest will be accepted. We demonstrate that, compared with state-of-the-art shape decomposition methods, the proposed approach achieves decomposition results which better correspond to human intuition as revealed in psychological experiments.
STUDIES ON CROSSLINKING MECHANISM BETWEEN TRIHYDROXYMETHYL PHENOL AND PARTLY HYDROLYZED POLYACRYLAMIDE
三羟甲基苯酚与部分水解聚丙烯酰胺成胶机理研究

SONG Xinwang,LIU Kun,HE Dongyue,GAO Pin,ZHENG Jing,HUANG Guangsu,
宋新旺
,刘坤,何冬月,高品,郑静,黄光速

高分子学报 , 2009,
Abstract: The structures of partial hydrolysis polyacrylamide samples crosslinked before and after by trihydroxymethyl phenol were characterized by~(13)C solid nuclear magnetic resonance(NMR) spectroscopy.The structures forming during self-crosslinking between hydroxymethyls and crosslinking between hydroxymethyl and primary amine were generated after reaction means two kinds of reactions were occurred.In further tracing test of infrared spectrometry(IR) and X-ray electron spectroscopy(XPS),the results of quantificat...
SOME SUGGESTIONS ON THE INTEGRAL REFORM OF COMMON COURSE PSYCHOLOGY IN NORMAL COLLEGES AND UNIVERSITIES IN CHINA
高等师范院校公共课心理学整体改革建议

Li Xinwang Henan University,
李新旺

心理学报 , 1993,
Abstract: 本文作者在实践的基础上,针对我国高等师范院校公共课心理学存在的问题,提出三点整体改革建议;1.在思想上明确认识该课程的双重任务;2.在教材建设方面,强调按照认知因素、非智力因素、社会心理因素和教师心理因素建构新的教材体系,教材内容突出应用性和可读性;3.教学过程教师要结合学生的专业特点。采用多种教学形式与方法传授教材内容。
STUDY ON LEARNING AND MEMORY OF TRANSGENIC MICE
转基因小鼠在学习记忆研究中的应用

Li Xinwang,
李新旺
,肖健

心理学报 , 2001,
Abstract: This paper reviews recent researches on learning and memory of transgenic mice. It also analyses the acting mechanism of some proteins in learning and memory. These proteins are NMDA receptor, nociceptin receptor, TPK, CaMK II, PKC, PKA, CREB, N-CAM and NGF, the paper also explores into the relations between LTP and learning memory.
THE STRUCTURE AND PROPERTIES OF AMORPHOUS Ge/SiO_2 SUPERLATTICES
非晶态Ge/SiO2超晶格结构与特性

ZHANG Xinwang,CHEN Guanghua,
张兴旺
,陈光华

材料研究学报 , 1998,
Abstract: The amorphous Ge/SiO2 superlattices have been prepared by rf sputtering with poIycrystalline Ge and quata targets in Ar ambient. Small angle X-ray diffraction measurement was carried to invedigate the structure of the samples, the results indicate the abrupt intedece and highly homogeneous layered structure of the superlattices. The optical band-gap of the superlattices were determined by infrared transmission and reflection spectra, the blue shift of about 0.3eV of optical band-gap was found when the width of Ge potential well decrease from 0.38nm to 0.12nm.
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