• Title/Summary/Keyword: Opinions

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Customer Requirements Elicitation based on Social Network Service

  • Lee, Yoon-Kyu;Kim, Neung-Hoe;Kim, Do-Hoon;Lee, Dong-Hyun;In, Hoh Peter
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.5 no.10
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    • pp.1733-1750
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    • 2011
  • In the early stages of a software project, it is critical to understand the needs of the customers and elicit their customer requirements. Various requirements elicitation methods have been proposed. However, existing methods still have the limitations such as a limited number of target customers, limited expression of customers' opinions, and difficulty in collecting the customers' opinions continuously. A novel method for eliciting customer requirements is proposed by utilizing a social network service (SNS), which is a shared source of raw information of the customers' needs and opinions. The proposed method is validated to show its effectiveness in overcoming the limitations of existing methods.

Consumer Opinions on Fast Foods and Foodservice -II. Noodle Chain Restaurants- (국내 패스트푸드점에 대한 소비자 의견조사 -제 2보 : 면류체인점을 중심으로-)

  • Lyu, Eun-Soon;Kwak, Tong-Kyung
    • Journal of the Korean Society of Food Culture
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    • v.4 no.3
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    • pp.237-243
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    • 1989
  • A secondary survey was conducted to investigate the customers' opinions on fast foods at thirty noodle chain restaurants in Seoul from November 16 to 25, 1988. The results are summarized as follows: 584 customers were surveyed consisting 42% of male and 58% of female. Proportion of age groups was 32.9% of adolescents, 38.7% of young adults, and 28.4% of adults. Females and young adults visited more than once or twice a week. The majority of customers had a favorable opinions to 'convenience in diet' and 'use on busy', but unfavorable to 'consistant quality of meals is keeping', and 'consistency in service is keeping'. The priority of important factors in purchasing fast foods were the cleanliness, taste of meals, convenience, and the price. Customers were most satisfied with atmosphere, while least satisfied with the price.

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The study of Complex structure in phenomenon of Mathematics Education (수학교육 현상의 융합적 구조에 대한 소론)

  • Yu, Chung Hyun
    • East Asian mathematical journal
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    • v.30 no.4
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    • pp.439-449
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    • 2014
  • In the history of mathematics education, different opinions as to how to view the phenomenon of mathematics education have been suggested in various ways. As those conflicting opinions have caused fundamental tensions in the phenomenon of mathematics education, they remain fundamental standpoints that have been continuously advocated until now - not limited in a certain period. It can be argued that this situation was caused by partial or fragmentary understanding of the phenomenon of mathematics education. If we are pursuing not a partial knowledge but a complete understanding of mathematics education, how should it be formed to comprehensively study the entire phenomenon of mathematics education? To answer this question, Complex structure in phenomenon of Mathematics Education can be proposed. It is an explanation for the opposing opinions existing in the phenomenon of mathematics education. The purpose of this paper is to understand the phenomenon of mathematics education as a whole.

Opinions of Parents on Child Welfare in Urban Communities (한국도시부모의 아동복지의식에 관한 조사 연구)

  • Lee, So Hee;Lee, Jae Yeon
    • Korean Journal of Child Studies
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    • v.8 no.2
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    • pp.73-98
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    • 1987
  • This research studied common opinions of parents about child welfare that have been diffused into urban communities in Korea. They were analyzed into major dispositions-anti-collectivists, reluctant collectivists, Fabian Socialists, Marxists-by demographic variables of sex, age, education, occupation, income, and religion. A questionnaire of 18 items was distributed to 1170 parents in the Seoul area who had more than one child under 18 years of age. The returns of 815 parents were analyzed with the statistics of frequency, percentage, and one-way ANOVA. The results of this study showed that (1) The opinions of parents on child welfare in urban communities had tendencies toward Fabian Socialists and reluctant collectivists ; (2) Major demographic factors were education and occupation, but the variables of sex, age, income and religion were not significant.

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FEROM: Feature Extraction and Refinement for Opinion Mining

  • Jeong, Ha-Na;Shin, Dong-Wook;Choi, Joong-Min
    • ETRI Journal
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    • v.33 no.5
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    • pp.720-730
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    • 2011
  • Opinion mining involves the analysis of customer opinions using product reviews and provides meaningful information including the polarity of the opinions. In opinion mining, feature extraction is important since the customers do not normally express their product opinions holistically but separately according to its individual features. However, previous research on feature-based opinion mining has not had good results due to drawbacks, such as selecting a feature considering only syntactical grammar information or treating features with similar meanings as different. To solve these problems, this paper proposes an enhanced feature extraction and refinement method called FEROM that effectively extracts correct features from review data by exploiting both grammatical properties and semantic characteristics of feature words and refines the features by recognizing and merging similar ones. A series of experiments performed on actual online review data demonstrated that FEROM is highly effective at extracting and refining features for analyzing customer review data and eventually contributes to accurate and functional opinion mining.

A Classroom Space Design based on User Centered Design (사용자 중심 디자인 기반 교실 공간 설계)

  • Choi, Ho-Soon
    • Journal of the Korean Institute of Educational Facilities
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    • v.26 no.6
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    • pp.19-27
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    • 2019
  • This study aims to design educational space that will respond to changing educational curriculum and creative educational activities. The study was conducted with user centered design method in which students and teachers who actually use space participate directly in space design, moving away from the one-sided approach by experts. The design of educational space, which is the subject of this study, was carried out by the opinions of users and the opinions of users were collected through the descriptive and mapping measure forms by analyzing previous researches and actual space cases on user centered design. Based on the opinions collected by the survey form, total four spaces, Type A, two Type B, and Type C, were designed. The fact that the user directly commented on the space plan to be used and actually participated in the space design would be helpful for users' deep interest in the results of this study and students' academic improvement.

A Comparison of Opinions on a Consumer Education Program for the Information Society between the Professionals and the Consumers (정보사회의 소비자교육내용 구성에 대한 전문가-소비자의 의견 비교 분석)

  • 배윤정;김기옥
    • Journal of the Korean Home Economics Association
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    • v.38 no.12
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    • pp.225-239
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    • 2000
  • The purpose of this study is to emphasize the importance of considering both counterparts, demanders and suppliers, of consumer education when a consumer education program is developed. In order to do that, opinions of both professionals and consumers on consumer education program in the information society are compared and analyzed. Also, the differences of consumer education program in the information society are discussed based upon the opinions of these two groups. This study finds out that there are many conflicts between professionals and consumers. Therefore, two questions shoed be considered when a consumer education program is developed and is applied in a practical setting: 'Is this appropriate for consumer education'and 'what is the demand of consumers who will actuary get that education'.

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A Study on the Introduction of Port Authority System for Port Administration into Korea (우리나라 항만관리(港灣管理)의 포트 오소리티 체제(體制)로의 전환(轉煥)에 관한 연구(硏究))

  • Park, Geong-Hee
    • Journal of the Korean Institute of Navigation
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    • v.25 no.3
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    • pp.297-308
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    • 2001
  • The aim of this study is to examine opinions discussed on the structure of the PA between MOMAF, Pusan city and Inchon city by analysing and reviewing the reports and debates with the Promotion Committee. In addition, this paper is to find out the reasons why they have different views and opinions over the establishment of PA and to analyze how such conflicting opinions will influence on future operation in the PA. On the bases of the above research, this study suggests a more rational proposal to establish the PA not from the result of the negotiation between the interested parties, which have involved in the process of establishment of the PA, but from the viewpoint of principles.

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Strategic Reviews on Promoting the Fourth Industrial Revolution by Supplying 5G Additional Frequency (제4차 산업혁명 활성화를 위한 5G 추가 주파수 공급의 전략적인 의견)

  • Park, S.
    • Electronics and Telecommunications Trends
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    • v.34 no.6
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    • pp.1-16
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    • 2019
  • The paper presents five strategic opinions for promoting the fourth industry revolution through the supply of 5G additional frequency. The assessments are on the basis of 5G frequency utilization technologies and services, with reference to 3GPP 5G New Radio standards, after investigating the domestic 1G, 2G, 3G, 4G, and 5G mobile communication services as well as the use of mobile radio frequency and spectrum. The presented opinions contain the frequency supply of contiguous-wide bandwidth channels, harmonized frequency supply between licensed and unlicensed spectrum, the existing 4G frequency recycle for increasing 5G coverage and capacity, balance frequency supply in the multi-band for 5G services, and the development of 5G vertical frequency for industry. The aim is that the presented five strategic opinions can offer guidance for the upcoming plan of domestic 5G additional frequency supply.

Causal model analysis between quantity and quality for deriving ranking model of Online reviews (온라인리뷰의 랭킹모델링을 위한 양과 질의 인과모형 분석)

  • Lee, Changyong;Kim, Keunhyung
    • The Journal of Information Systems
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    • v.28 no.1
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    • pp.1-16
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    • 2019
  • Purpose The purpose of this study is to analyze causal relationship between quantity and quality for deriving ranking model of Online reviews. Thus, we propose implications for deriving the ranking model for retrieving Online reviews more effectively. Design/methodology/approach We collected Online review from Tripadvisor web sites which might be a kind of world-famous tourism web sites. We transformed the natural text reviews to quantified data which consists of quantified positive opinions, quantified negative opinions, quantified modification opinions, reviews lengths and grade scores by using opinion mining technologies in R package. We executed corelation and regression analysis about the data. Findings According to the empirical analysis result, this study confirmed that the review length influenced positive opinion, negative opinion and modification opinion. We also confirmed that negative opinion and modification opinion influenced the grade score.