• 한국정보시스템학회:학술대회논문집
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• 한국정보시스템학회 2005년도 춘계학술대회 발표 논문집
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• pp.1-18
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• 2005

The main purpose of this paper is to investigate the relationship between website environmental characteristics (website characteristics, user characteristics, and external environments), satisfaction, trust and loyalty in tourism e-business. The following results were determined by verifying five hypotheses using LISREL. Website environments partially support perceived satisfaction and also perceived trust. Satisfaction has a strong effect upon perceived trust while satisfaction doesn't effect perceived loyalty. Trust significantly impacts perceived loyalを in tourism e-business.

• 한국정보시스템학회지:정보시스템연구
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• 제14권3호
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• pp.71-81
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• 2005

The main purpose of this paper is to investigate the relationship between website environmental characteristics (website characteristics, user characteristics, and external environments), satisfaction, trust and loyalty in tourism e-business (EC). The following results were determined by verifying five hypotheses using LlSREL. Website environments partially support perceived satisfaction and also perceived trust. Satisfaction has a strong effect upon perceived trust while satisfaction doesn't affect perceived loyalty. Trust significantly impacts perceived loyalty in tourism e-business (EC).

• 제어로봇시스템학회논문지
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• 제19권12호
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• pp.1099-1104
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• 2013

This paper presents a learning-based visual inspection method that addresses the need for an improved adaptability of a visual inspection system for parts verification in panorama sunroof assembly lines. It is essential to ensure that the many parts required (bolts and nuts, etc.) are properly installed in the PLC sunroof manufacturing process. Instead of human inspectors, a visual inspection system can automatically perform parts verification tasks to assure that parts are properly installed while rejecting any that are improperly assembled. The proposed visual inspection method is able to adapt to changing inspection tasks and environmental conditions through an efficient learning process. The proposed system consists of two major modules: learning mode and test mode. The SVM (Support Vector Machine) learning algorithm is employed to implement part learning and verification. The proposed method is very robust for changing environmental conditions, and various experimental results show the effectiveness of the proposed method.

• Journal of Information Science Theory and Practice
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• 제11권2호
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• pp.82-103
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• 2023

The Zimbabwean healthcare sector faces huge challenges due to increased demands for improved services for a growing number of patients with fewer resources. The use of information and communications technologies, prevalent in many industries, but lacking in Zimbabwean healthcare, could increase productivity and innovation. The adoption of health management information systems (HMISs) can lead to improved patient safety and high-level patient care. These technologies can change delivery methods to be more patient focused by utilising integrated models and allowing for a continuum of care across healthcare providers. However, implementation of these technologies in the health care sector remains low. The purpose of this study is to demonstrate the advantages to be attained by using HMISs in healthcare delivery and to ascertain the factors that influence the uptake of such systems in the public healthcare sector. A conceptual model, extending the technology, organization, and environment framework by means of other adoption models, underpins the study of adoption behavior. A mixed method methodology was used to conduct the study. For the quantitative approach, questionnaires were used to allow for regression analysis. For the qualitative approach, thematic analysis was used to analyse interview data. The results showed that the critical success factors (namely, relative advantage, availability, complexity, compatibility, trialability, observability, management support, information and communication technology expertise, communication processes, government regulation, infrastructure support, organizational readiness, industry and competitive support, external support, perceived ease of use, perceived usefulness, attitude, and intention to use) influenced adoption of HMISs in public hospitals in Zimbabwe.

• 실내환경 및 냄새 학회지
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• 제16권1호
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• pp.54-63
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• 2017

The Automobile HVAC system is a habitat for odor-associated fungal communities. We investigated the odor-associated fungal community in an automobile HVAC system using a high-throughput DNA sequencing method. The fungal community structure was evaluated via metagenome analysis. At the phylum level, Ascomycota and Basidiomycota were detected, accounting for 43.41% and 56.49% of the fungal community in the HVAC system, respectively. Columnosphaeria (8.31%), Didymella (5.60%), Davidiella (5.50%), Microxyphium (4.24%), unclassified Pleosporales (2.90%), and Cladosporium (2.79%) were abundant at phylum of Ascomycota and Christiansenia (36.72%), Rhodotorula (10.48%), and Sporidiobolus (2.34%) were abundant at phylum of Basidiomycota. A total of 22 genera of fungi were isolated and identified from the evaporators of the HVAC systems which support fungal growth and biofilm formation. Among them, Cladosporium, Penicillium, Aspergillus, and Alternaria are the most representative odor-associated fungi in HVAC systems. They were reported to form biofilm on the surface of HVAC systems with other bacteria by hypha. In addition, they produce various mVOCs such as 3-methyl-1-butanol, acetic acid, butanoic acid, and methyl isobutyl ketone. Our findings may be useful for extending the understanding of odor-associated fungal communities in automobile HVAC systems.

• Environmental Analysis Health and Toxicology
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• 제24권2호
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• pp.95-105
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• 2009

Chemical Ranking and Scoring (CRS) system is a useful tool to screen priority chemicals of large body of substances. The relative ranking of chemicals based on CRS system has served as a decision-making support tools. Exposure potential and toxicity are significant parameters in CRS system, and there are differences in evaluating those parameters in each CRS system. In this study, the parameters of exposure potential, human toxicity, and ecotoxicity were extensively compared. In addition the scoring methods in each parameter were analyzed. The CRS systems considered in this study include the CHEMS-1 (Chemical Hazard Evaluation for Management Strategies), SCRAM (Scoring and Ranking Assessment Model), EURAM (European Union Risk Ranking Method), ARET (Accelerated Reduction/Elimination of Toxics), and CRS-Korea. An comparative analysis of the several CRS systems is presented based on their assessment parameters and scoring methods.

• Smart Structures and Systems
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• 제17권4호
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• pp.669-690
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• 2016

Advances in sensor technologies have led to the instrumentation of sensor networks for bridge monitoring and management. For a dense sensor network, enormous amount of sensor data are collected. The data need to be managed, processed, and interpreted. Data management issues are of prime importance for a bridge management system. This paper describes a data management infrastructure for bridge monitoring applications. Specifically, NoSQL database systems such as MongoDB and Apache Cassandra are employed to handle time-series data as well the unstructured bridge information model data. Standard XML-based modeling languages such as OpenBrIM and SensorML are adopted to manage semantically meaningful data and to support interoperability. Data interoperability and integration among different components of a bridge monitoring system that includes on-site computers, a central server, local computing platforms, and mobile devices are illustrated. The data management framework is demonstrated using the data collected from the wireless sensor network installed on the Telegraph Road Bridge, Monroe, MI.

• 공업화학
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• 제20권4호
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• pp.437-442
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• 2009

$TiO_2$, $Al_2O_3$를 담체로 한 Pt계 촉매에서 NOx, soot의 동시 제거 반응과 촉매의 열충격에 대한 연구를 수행하였다. 실험은 NOx와 soot의 반응을 독립 또는 동시에 반응시킨 조건으로 수행하였으며 그 결과 담체의 종류 및 상에 따라서 서로 상이한 NOx 제거능력과 soot 산화력을 나타내었고, soot의 산화시작온도의 결정은 NOx 제거능력과 상관관계가 있었다. NOx, soot의 동시 반응 시에는 생성된 $NO_2$에 의하여 soot 산화시작온도가 저온으로 이동하였다. 또한 열충격에 대한 NOx 제거율은 Pt/$Al_2O_3$ 촉매가 Pt/$TiO_2$ 촉매에 비하여 효율저하가 적게 일어났으며 soot 산화력은 활성점인 Pt의 소결현상에 의하여 촉매에 관계없이 모두 감소하였다.

• 공업화학
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• 제25권3호
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• pp.300-306
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• 2014

본 연구에서는, HCHO를 상온에서 제거하기 위한 귀금속계열의 촉매 연구를 수행하였다. 제조된 촉매들은 XRD, FT-IR, CO-chemisorption을 이용하여 특성분석을 수행하였다. 그 결과, Pt와 Pd를 활성금속으로 하여 제조한 환원촉매가 상온조건에서 우수한 HCHO 산화 능력을 보였으며, 지지체의 경우 환원성지지체로 잘 알려진 $TiO_2$를 이용하여 촉매를 제조하였을 때 높은 반응활성을 나타냈다. 또한, 환원시간이 길어짐에 따라 활성금속의 응집현상으로 인해 반응활성의 저하를 나타내었으며 환원촉매의 경우 상온조건에서 HCHO 흡착 및 탈착 특성이 우수함을 확인하였다.

• 대한토목학회논문집
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• 제41권4호
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• pp.429-439
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• 2021

고령화로 인한 건설인력 감소에 대응하고 건설현장의 생산성 향상을 위해 일본에서는 2016년부터 정보통신기술을 활용한 자동화시공을 추진하고 있다. 일본 국토교통성은 ICT를 활용한 토공 자동화 시공을 뒷받침 할 새로운 비용 산정기준, 발주제도, 정부지원 정책을 마련하여 시행하고 있고 현장에서 활용할 수 있는 자동화 시공의 종류를 확대하고 있다. 우리나라도 ICT를 건설 현장에 원활하게 적용하기 위해서는 일본에서와 같이 우선적으로 ICT를 활용한 자동화 시공 관련 법과 제도, 정책 등을 정비해야 한다. 본 논문은 일본과 한국의 ICT를 활용한 자동화시공 관련 제도 및 정책을 비교·분석하여 벤치마킹하는 방법으로 연구하고 이로부터 시사점을 찾고자 했다. 연구 결과, 국내 건설현장에서 ICT기술을 활용하기 위해서는 한국 정부가 선도적으로 ICT기술 관련 비용 산정기준, 발주체계, 경제지원 정책 등을 마련해야 한다는 결론에 이르게 되었다.