• Title/Summary/Keyword: mapped relationships

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A Satellite View of Urban Heat Island: Causative Factors and Scenario Analysis

  • Wong, Man Sing;Nichol, Janet;Lee, Kwon-Ho
    • Korean Journal of Remote Sensing
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    • v.26 no.6
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    • pp.617-627
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    • 2010
  • Although many researches for heat island study have been developed, there is little attempt to link the findings to actual and hypothetical scenarios of urban developments which would help to mitigate the Urban Heat Island (UHI) in cities. The aim of this paper is to analyze the UHI at urban area with different geometries, land use, and environmental factors, and emphasis on the influence of different geometric and environmental parameters on ambient air temperature. In order to evaluate these effects, the parameters of (i) Air pollution (i.e. Aerosol Optical Thickness (AOT)), (ii) Green space Normalized Difference Vegetation Index (NDVI), (iii) Anthropogenic heat (AH) (iv) Building density (BD), (v) Building height (BH), and (vi) Air temperature (Ta) were mapped. The optimum operational scales between Heat Island Intensity (HII) and above parameters were evaluated by testing the strength of the correlations for every resolution. The best compromised scale for all parameters is 275m resolution. Thus, the measurements of these parameters contributing to heat island formation over the study areas of Hong Kong were established from mathematical relationships between them and in combination at 275m resolution. The mathematical models were then tabulated to show the impact of different percentages of parameters on HII. These tables are useful to predict the probable climatic implications of future planning decisions.

Test of Official Range in Characteristics for Jisan Soil Series (지산통(芝山統)의 토양특성(土壤特性) 범위(範圍) 검정(檢定))

  • Jung, Sug-Jae;Park, Chang-Seo;Hyeon, Geun-Soo;Moon, Joon;Um, Ki-Tae
    • Korean Journal of Soil Science and Fertilizer
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    • v.22 no.2
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    • pp.81-85
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    • 1989
  • The 113 soils representing the Jisan soil series (fine loamy, mixed, mesic fluventic Haplaquepts) as mapped in Korea were to characterize the Jisan soil throughout its official range which was the range of properties used to establish series limits. The samples were stratified according to master horizon designation for statistical analysis. The means in selected soil properties, horizon thickness, solum thickness, soil texture, clay content, pH, BSP, and horizon sequence, were within acceptable limits. The minimum values were considerably lower than the lower limits of the official ranges while the maximum values were above the allowable amount. The ranges of definition degree which mean the test of proper placement of any marginal limits were 0.687 to 0.929. Thus, Jisan series as mapped from other soil bodies in the field could be seen similarities and understood relationships among individuals.

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Transition of Archival Description from ISAD(G) to Record in Context Conceptual Model (ISAD(G)에서 RiC-CM으로의 전환에 관한 연구)

  • Park, Zi-young
    • Journal of Korean Society of Archives and Records Management
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    • v.17 no.1
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    • pp.93-115
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    • 2017
  • In this study, the RiC-CM (Records in Context-Conceptual Model) draft of the International Council on Archives Expert Group on Archival Description (ICA EGAD) was analyzed, mapped with the descriptive elements of ISAD(G), and the archival description of the record group based on RiC-CM was piloted. This was done to identify trends in the archival descriptive standards and to derive considerations in relation to improving existing descriptive standards. The mapping types of RiC-CM and ISAD(G) include inter-attribute mapping, attribute-entity mapping, and attribute-relation mapping. In addition to the mapping between descriptive elements, a frame for the archival information that can construct a record through the objects, attributes, and relationships of RiC-CM is constructed using the protege, and the example data is inputted for trial. As a result, it was possible to express most of the existing descriptive information of ISAD(G) through RiC-CM. In addition, in RiC-CM, the recording descriptive information is classified in detail, and the characteristic of browsing the relation between individual objects is enhanced.

Modelling of a Spatial Distribution of the Species Richness of Fishes, Plants, and Birds Using Environmental Factors on a Wide-Ranging Scale1 - Focusing on the Major Drainage Systems in Japan - (광역스케일의 환경 인자를 이용한 어류, 식물, 조류 종수의 공간적 분포에 대한 모델링 - 일본의 주요수계를 중심으로 -)

  • Han, Mi-Deok;Lee, Gi-Bae
    • Korean Journal of Environment and Ecology
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    • v.22 no.4
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    • pp.347-355
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    • 2008
  • This study analyzed and modeled the relationships between the species richness of fish, plant, and bird and environmental factors such as climatic and geographical variables based on data collected from 109 major drainage systems in Japan from 1990 until 2005. As a result, the most parts of the distributions of the fish, plant, and bird species richness were clarified by the average annual atmospheric temperature, dimension of drainage areas, and annual rainfall, respectively. In addition, this study predicted the value of each organism species distributed in national drainage areas in Japan using GAMs(Generalized Additive Models) for each organism model created by environmental factors on a wide-ranging scale, and also mapped out the value. Mapping out the predicted value could make it easier for its managers to newly set up the areas needing to be protected to obtain diversity of the organism species and to assess their availability of conservation for bio-diversity.

Catenary Relationships for Phylite-derived Soils of Ogcheon System (옥천계(沃天系) 천매암토양(千枚岩土壤)의 카테나(Catena))

  • Hyeon, Geun-Soo;Park, Chang-Seo;Jung, Sug-Jae;Jo, Young-Kil;Um, Ki-Tae
    • Korean Journal of Soil Science and Fertilizer
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    • v.25 no.3
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    • pp.213-219
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    • 1992
  • Geomorphological properties for the phylite-derived soil were examined to relate processes to four landscape positions, shoulder, backslope, footslope, and toeslope in Chungbuk. The distribution of Ogcheon-geology system was 216 thousand ha in South Korea. 2 orders, 3 suborders, 4 great groups, 5 subgroups, and 9 series were mapped. Soil color was interlocked by landscape. Soil color index values and $Fe_2O_3$ contents increased with soil-drainge class. Silt/clay and Ca/Mg ratios tended to narrow wish elevation and decreased with depth. Therefore, profile development or age on the landscape position was shoulder>backslope>footslope>toeslope. Color index(C2m) has a sighificant correlation with $Fe_2O_3$, in soil profile($r=0.777^{**}$). Pedologic type was continuity/discontinuity and soil property changes of depth<12cm would have a continous function.

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Ontology-based Monitoring Approach for Efficient Power Management in Datacenters (데이터센터 내 효율적인 전력관리를 위한 온톨로지 기반 모니터링 기법)

  • Lee, Jungmin;Lee, Jin;Kim, Jungsun
    • Journal of KIISE
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    • v.42 no.5
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    • pp.580-590
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    • 2015
  • Recently, the issue of efficient power management in datacenters as a part of green computing has gained prominence. For realizing efficient power management, effective power monitoring and analysis must be conducted for servers in a datacenter. However, an administrator should know the exact structure of the datacenter and its associated databases, and is required to analyze relationships among the observed data. This is because according to previous monitoring approaches, servers are usually managed using only databases. In addition, it is not possible to monitor data that are not indicated in databases. To overcome these drawbacks, we proposed an ontology-based monitoring approach. We constructed domain ontology for management servers at a datacenter, and mapped observed data onto the constructed domain ontology by using semantic annotation. Moreover, we defined query creation rules and server state rules. To demonstrate the proposed approach, we designed an ontology based monitoring system architecture, and constructed a knowledge system. Subsequently, we implemented the pilot system to verify its effectiveness.

Materialized XML View XML View File Update according to the Deletion of Relational Databases (실체화된 XML 뷰 관계형 데이터베이스의 삭제에 따른 XML 뷰 파일의 갱신)

  • Gim, Mi-Su;Ra, Young-Gook
    • Journal of Internet Computing and Services
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    • v.10 no.2
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    • pp.99-116
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    • 2009
  • For the mapping of two dimensional table structures of relational databases to the hierarchical XML documents, we apply the foreign key relationships of relational databases. In other words, the primary key of another table referenced by a foreign key of one tuple is mapped to the parent of the foreign key. Then XML hierarchies with order are expressed. In addition, the XML view file generated by the foreign key mappings shows side effects in the case of the relational database update for the satisfaction of referential integrity constraint in the foreign key. Thus, by inferring the foreign key roles at the generation of XML hierarchies, we can anticipate where the side effects occur in the hierarchies. We keep the XML view files up-to-date by reflecting the side effects to the XML files at the update of the underlying relational databases.

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Integration of Extended IFC-BIM and Ontology for Information Management of Bridge Inspection (확장 IFC-BIM 기반 정보모델과 온톨로지를 활용한 교량 점검데이터 관리방법)

  • Erdene, Khuvilai;Kwon, Tae Ho;Lee, Sang-Ho
    • Journal of the Computational Structural Engineering Institute of Korea
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    • v.33 no.6
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    • pp.411-417
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    • 2020
  • To utilize building information modeling (BIM) technology at the bridge maintenance stage, it is necessary to integrate large quantities of bridge inspection and model data for object-oriented information management. This research aims to establish the benefits of utilizing the extended industry foundation class (IFC)-BIM and ontology for bridge inspection information management. The IFC entities were extended to represent the bridge objects, and a method of generating the extended IFC-based information model was proposed. The bridge inspection ontology was also developed by extraction and classification of inspection concepts from the AASHTO standard. The classified concepts and their relationships were mapped to the ontology based on the semantic triples approach. Finally, the extended IFC-based BIM model was integrated with the ontology for bridge inspection data management. The effectiveness of the proposed framework for bridge inspection information management by integration of the extended IFC-BIM and ontology was tested and verified by extracting bridge inspection data via the SPARQL query.

Geomorphological Approach in Geological Mapping of the Miocene and Post-Miocene Formations in the Albudeite Area, Spain (동남(東南) Spain Albudeite 지역(地域)의 Miocene및 Post-Miocene Formation에 대한 지질조사(地質調査)에 있어서의 지형학적(地形學的)인 접근(接近))

  • Yun, Suckew
    • Economic and Environmental Geology
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    • v.6 no.3
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    • pp.171-182
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    • 1973
  • Gemorphological and photogeological techniqes are applied to the problem of geological mapping of a semi-arid area, Albudeite, Southeastern Spain. As a result of this, a geological and surface materials map is made which shows the upper Miocene formation, which mainly consists of marl, limestone and sandstone, is further subdivided into three members, i. e. lower, middle and upper, and the post-Miocene deposits were differentiated into seven stratigraphic units, and mapped. The relationships between geology, landforms and land comlexes previously reognized have been reviewed. The methods adopted have proved to be valuable in interpreting and mapping a compex relationship in which highly variable bedrock outcrops and shallow surface materiales produced under sub-aerial conditios.

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Content Based Image Retrieval using 8AB Representation of Spatial Relations between Objects (객체 위치 관계의 8AB 표현을 이용한 내용 기반 영상 검색 기법)

  • Joo, Chan-Hye;Chung, Chin-Wan;Park, Ho-Hyun;Lee, Seok-Lyong;Kim, Sang-Hee
    • Journal of KIISE:Databases
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    • v.34 no.4
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    • pp.304-314
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    • 2007
  • Content Based Image Retrieval (CBIR) is to store and retrieve images using the feature description of image contents. In order to support more accurate image retrieval, it has become necessary to develop features that can effectively describe image contents. The commonly used low-level features, such as color, texture, and shape features may not be directly mapped to human visual perception. In addition, such features cannot effectively describe a single image that contains multiple objects of interest. As a result, the research on feature descriptions has shifted to focus on higher-level features, which support representations more similar to human visual perception like spatial relationships between objects. Nevertheless, the prior works on the representation of spatial relations still have shortcomings, particularly with respect to supporting rotational invariance, Rotational invariance is a key requirement for a feature description to provide robust and accurate retrieval of images. This paper proposes a high-level feature named 8AB (8 Angular Bin) that effectively describes the spatial relations of objects in an image while providing rotational invariance. With this representation, a similarity calculation and a retrieval technique are also proposed. In addition, this paper proposes a search-space pruning technique, which supports efficient image retrieval using the 8AB feature. The 8AB feature is incorporated into a CBIR system, and the experiments over both real and synthetic image sets show the effectiveness of 8AB as a high-level feature and the efficiency of the pruning technique.