• Title/Summary/Keyword: qualitative features

Search Result 318, Processing Time 0.025 seconds

A Study of Intrinsic and Extrinsic Semantic Features of Korean Nouns: Focusing on the Categories of Grains, Fruits and Vegetables (한국어 명사의 내재적/외재적 의미특징 연구: 곡식, 과일, 채소 범주를 중심으로)

  • 정영철;이정모
    • Korean Journal of Cognitive Science
    • /
    • v.15 no.1
    • /
    • pp.43-67
    • /
    • 2004
  • Using qualitative research methodology, this study has investigated the semantic features of 39 nouns, which are classified into the categories of grains, fruits and vegetables. A survey has been conducted with a substantial number of undergraduate students, who were asked to describe any semantic features they associated with the lexical items within the three categories. The analysis of the survey data shows that the concepts of examples of fruits are defined predominantly by intrinsic semantic features, while those of grains and vegetables are defined noticeably by extrinsic semantic features rather than intrinsic ones. Intrinsic semantic features are any properties inherent in an object itself and extrinsic semantic features are defined as any properties constructed by association with other objects or personal experiences in a certain situation. However, this study does not maintain that either intrinsic or extrinsic semantic features solely define the concepts of the examples of the three categories. Instead, it concludes that both kinds of semantic features are involved in the representation of the concepts of those vocabularies, with intrinsic features salient in the category of fruits and extrinsic features salient in the categories of gains and vegetables.

  • PDF

Cellular Anatomy of Compression Wood and Opposite Wood in a Branch of Taxodium distichum Rich. (낙우송(落羽松)(Taxodium distichum Rich.) 지재(枝材)의 압축이상재(壓縮理想材) 및 대응재(對應材)에 관한 해부학적(解剖學的) 특성(特性))

  • Lee, Phil Woo;Chung, Youn Jib;Kwon, Mi
    • Journal of Korean Society of Forest Science
    • /
    • v.80 no.3
    • /
    • pp.296-302
    • /
    • 1991
  • Compression wood and opposite wood formed in a branch of Taxodium distichum Rich. is described and compared in qualitative and quantitative anatomical aspects. The qualitative features of compression wood appeared to differ from those of opposite wood in very gradual tracheid transition from earlywood to latewood, roundish tracheid shape on cross surface, tracheid tip distortion on radial surface, and existence of intercellular spaces and helical cavities. In quantitative features, compression wood tracheids showed shorter lengths than opposite wood. The ray density and the number of uniseriate rays were greater in compression wood than in opposite wood but the height of uniseriate rays in compression wood was smaller than in opposite wood.

  • PDF

Prototype Extraction for the Categorization of Lotus and Crane Patterns Using Qualitative and Quantitative Approaches (질적, 양적 접근방법에 의한 연화문, 사문의 분류원형 추출)

  • 장수경;김재숙
    • Journal of the Korean Society of Clothing and Textiles
    • /
    • v.20 no.6
    • /
    • pp.1016-1026
    • /
    • 1996
  • The purpose of this study was to extract protypes from features and concrete images of Lotus and Crane patterns. A qualitative and a quantitative methods were used. Qualitative informations were obtained from depth Interviews for pattern selection and feature extraction, and quantitative informations from a quail-experiment for pattern caregorization. The subjects were 20 female design students and non-design, students in Teajon. The results were summerized into a similarity metrix which was interpreted by the cluster analysis and the multi-dimensional scling(MDS). The patterns for the study were grouped into 8 clusters. Four dimensions were chosen for the MDS. The location of each pattern was visualized in a 2-dimesional spaces and the location of each cluster in a 3-dimensional spaces. The first dimension, "Lotus" vs "Crane" refired to pattern types, and the second dimension, "realistic" vs "transformable", the transformability. The third dimension, "simple" vs "complex", refired to the degree of simplification, and the forth dimension, "continuous" vs "discontinuous", continuity. The results of the Quantitative analysis could be summerized into 3-level prototype hiararchy In the first level, the patterns were devided clearly into two groups. Lotus and Crane by pattern types. In the second levelk, each group was devided into twosubgroups by continuity. In the third, each subgroup was divided into four subgroups by transformability and the degree of simplification. Four protypes, the final targets of the present study, were extracted from the third level. The are Stylized, Realistic, Decorative, Abstract types.d from the third level. The are Stylized, Realistic, Decorative, Abstract types.

  • PDF

Preliminary Hazard Analysis: Assessment of New Component Interface Module Design for APR1400

  • Olaide, Adebena Oluwasegun;Jung, Jae Cheon;Choi, Moon Jae;Ngbede, Utah Michael
    • Journal of the Korean Society of Systems Engineering
    • /
    • v.17 no.1
    • /
    • pp.21-34
    • /
    • 2021
  • The use of Field-Programmable Gate Arrays (FPGAs) in the development of safety-related Human-Machine Interface (HMI) systems has gained much momentum in nuclear applications. Recently, one of the application areas for the Advanced Power Reactor 1400 (APR1400) is in the development of the advanced Component Interface Module (CIM) of the Engineered Safety Features Actuation System (ESFAS). Using systems engineering approach, we have developed a new FPGA-based advanced CIM software. The first step of our software development process involves the Preliminary Hazard Analysis (PHA) based on the previous CIM design. In this paper, we describe the qualitative approach used in performing the preliminary hazard analysis. The paper presents the methodology for applying a modified Hazard and Operability (HAZOP) procedure for the conduct of PHA which resulted in a qualitative risk-ranking scheme that informed the decisions for the safety criteria in the requirements specification phase. The qualitative approach provided the justification for design changes during the advanced CIM software development process.

Taxonomic Position and Affinities of Isopyrum mandshuricum within Korean Isopyroideae (Ranunculaceae) Based on Molecular Data

  • Lee, Nam-Sook;Yeau, Sung-Hee;Kim, Ji-Hyun;Kim, Min-Ju
    • Animal cells and systems
    • /
    • v.3 no.2
    • /
    • pp.133-141
    • /
    • 1999
  • To examine the taxonomic position and affinities of Isopyrum mandshuricum (Ranunculaceae) and related taxa, genetic analysis were carried out on the basis of isozyme patterns and ITS sequences. Molecular data, both isozyme patterns and ITS sequences suggest that I. mandshuricum is closely related to Enemion raddeanum than to Semiaquilegia adoxoides. The estimation of genetic identities by isozyme analysis reveals that I. manshuricum is genetically distant from E. raddeanum. The phylogenetic tree based on molecular data is rather congruent with the phenogram based on quantitative morphological characteristics, but not consistent with one based on qualitative morphological characteristics. Incongruencies between molecular and qualitative morphological data provide clues to re-evaluate several morphological features.

  • PDF

A Toposequence of Soils in the Karst of West-Central Florida, U.S.A

  • Banker, Laura;Reeder, Philip;Brinkmann, Robert
    • Journal of the speleological society of Korea
    • /
    • v.42 no.2
    • /
    • pp.41-63
    • /
    • 1995
  • An abundance of information is available regarding soil horizons and their characteristics. Several methods can be used to gather and analyze this information. Through the use of qualitative analysis in the field, and laboratory and statistical analysis, a soil can be compared and analyzed with a great deal of scrutiny. Four soil pits were excavated in Citrus County Florida and samples were collected from each master horizon. Through the use of qualitative and quantitative analysis these samples were compared and analyzed in order to identify unique, as well as homogeneous features. It was determined that the soil profile designated Old Pit was different than other profiles because of landscape position and variations in parent material. Landscape position (ie. slope position) also influenced the genesis and evolution of the soils in the other three profiles(Profile 1, 2 and 3).

  • PDF

Topic Classification for Suicidology

  • Read, Jonathon;Velldal, Erik;Ovrelid, Lilja
    • Journal of Computing Science and Engineering
    • /
    • v.6 no.2
    • /
    • pp.143-150
    • /
    • 2012
  • Computational techniques for topic classification can support qualitative research by automatically applying labels in preparation for qualitative analyses. This paper presents an evaluation of supervised learning techniques applied to one such use case, namely, that of labeling emotions, instructions and information in suicide notes. We train a collection of one-versus-all binary support vector machine classifiers, using cost-sensitive learning to deal with class imbalance. The features investigated range from a simple bag-of-words and n-grams over stems, to information drawn from syntactic dependency analysis and WordNet synonym sets. The experimental results are complemented by an analysis of systematic errors in both the output of our system and the gold-standard annotations.

Aesthetic Characteristics of Fashion in the Transitional Period of the 21s1 Century(Part II) -Quantitative Study- (21세기로의 전환기에 표현된 패션의 미학적 특성(제2보) -정량분석을 중심으로-)

  • 이봉덕;양숙희
    • Journal of the Korean Society of Clothing and Textiles
    • /
    • v.27 no.1
    • /
    • pp.78-87
    • /
    • 2003
  • Based on the qualitative analysis regarding five dominant characteristics of fashion in the transitional period of the 21s1 century, subsequent quantitative analysis was conducted and the following results were obtained. First, it was found that 85% of the clothes analyzed showed these five characteristics. Secondly, among the five characteristics, the new-naturalism shows the most significant trend and neo-retro was also found as one of the leading features along with the new-naturalism in the transitional period of the 21 st century. However, the frequency of technicism is less than was expected. Thirdly, analysis of the distribution of fashion characteristics according to fashion designers and seasonal changes show that new-naturalism, neo-retro and hybrid spread relatively evenly among each designer. The quantitative study confined the results obtained through the qualitative study.

Predicting the Number of Movie Audiences Through Variable Selection Based on Information Gain Measure (정보 소득율 기반의 변수 선택을 통한 영화 관객 수 예측)

  • Park, Hyeon-Mock;Choi, Sang Hyun
    • Journal of Information Technology Applications and Management
    • /
    • v.26 no.3
    • /
    • pp.19-27
    • /
    • 2019
  • In this study, we propose a methodology for predicting the movie audience based on movie information that can be easily acquired before opening and effectively distinguishing qualitative variables. In addition, we constructed a model to estimate the number of movie audiences at the time of data acquisition through the configured variables. Another purpose of this study is to provide a criterion for categorizing success of movies with qualitative characteristics. As an evaluation criterion, we used information gain ratio which is the node selection criterion of C4.5 algorithm. Through the procedure we have selected 416 movie data features. As a result of the multiple linear regression model, the performance of the regression model using the variables selection method based on the information gain ratio was excellent.

Insight into the Development of Mathematics Teaching: A Comparative Study of Two Videotaped Lessons

  • Li, Shiqi;Yang, Yudong
    • Research in Mathematical Education
    • /
    • v.11 no.3
    • /
    • pp.165-176
    • /
    • 2007
  • From the perspective of phenomenongraphy(根据登的象式), two videotaped mathematics lessons were observed, compared and analyzed, and the features of those times were extracted. The quantitative and qualitative analysis of the global structure and the questioning in the lessons etc. showed that in teaching behaviors there were some essential differences reflecting the impact of new beliefs and principles of teaching. Evidences also show that excellent teachers did keep and carry on the good tradition teaching for basic knowledge and basic skills were seen as the most important thing in mathematics teaching in China.

  • PDF