• 한국정보과학회논문지:소프트웨어및응용
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• 제32권9호
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• pp.835-846
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• 2005

제품계열(Product Line)은 핵심자산(Core Asset)을 서로 공유하는 제품들의 집합이며, 제품계열 공학(Product Line Engineering, PLE)은 제품계열을 특화(Instantiation) 할 수 있는 원리, 기술, 메커니즘과 프로세스들의 집합이다. PLE는 여러 유사한 제품들간에 공유할 수 있는 핵심자산을 만들고, 그 핵심자산을 특정 제품에 맞게 실체화 시켜서 제품을 만든다. 모델 기반 아키텍처(Model Driven Architecture, MDA)는 자동화 도구를 이용하여 모델로부터 구현으로 구체화하는 접근 방법이다. 그러므로, 핵심자산을 MDA의 플랫폼 독립적인 모델(PIM)로 정의하여 구현까지 자동화한다면, 두 개발 방법의 장점을 극대화 할 수 있다. 하지만, 핵심자산을 표현하는 UML 프로파일은 현재까지 없으며, PLE의 핵심자산 및 제품 조림의 자동화 생산을 위한 PIM 명세 기법의 연구가 부족하다. 본 논문에서는 PLE기술과 MDA 기술을 접목하기 위해 PIM 수준의 핵심자산 명세 기법을 제안한다. 핵심자산을 명세하기 위해 아키텍처 명세, 컴포넌트 명세, 워크플로우 명세, 알고리즘 명세, 결정 모델 명세 기법을 제안한다. 본 논문의 명세 기법은 PLE, MDA 기술을 사용하여 제품의 생산성, 적용성, 유지보수성 및 품질 향상을 지원한다.

• KSII Transactions on Internet and Information Systems (TIIS)
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• 제9권9호
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• pp.3293-3311
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• 2015

Cloud services are required to be composed as a single service to fulfill the workflow applications. Service composition in Cloud raises new challenges caused by the diversity of users with different QoS requirements and vague preferences, as well as the development of cloud computing having geographically distributed characteristics. So the selection of the best service composition is a complex problem and it faces trade-off among various QoS criteria. In this paper, we propose a Cloud service composition approach based on evolutionary algorithms, i.e., NSGA-II and MOPSO. We utilize the combination of multi-objective evolutionary approaches and Decision-Making method (AHP) to solve Cloud service composition optimization problem. The weights generated from AHP are applied to the Crowding Distance calculations of the above two evolutionary algorithms. Our algorithm beats single-objective algorithms on the optimization ability. And compared with general multi-objective algorithms, it is able to precisely capture the users' preferences. The results of the simulation also show that our approach can achieve a better scalability.

• ETRI Journal
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• 제21권1호
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• pp.55-71
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• 1999

Recently, the increased handling of on-line standards information has emerged as an important feature of information and communications technology (ICT) standardization. In order to meet market needs for on-time standards deployment, most standards organizations are actively seeking more efficient ways of standardization using electronic means in order to accelerate the standards making process. This paper suggests a virtual standard development environment designed for standards developers to carry out their standards-related activities on-line. In this paper, we outline a conceptual model of a concurrent standardization process and describe the design and implementation of an Extranet-based network system called standards information cooperative network (SICN). The system was created with a view to fostering faster standards development with functionalities such as a virtual management of networked standards developers, collaboration support tools, a workflow-based electronic signature system, and dynamic links for ready retrieval of standards information stored in a database. We conclude this paper with an introduction to the concept of a virtual standards development organization (VSDO) that supports all the features needed by the relevant standards making bodies to carry out their activities in a dynamic on-line environment.

• 한국정보처리학회:학술대회논문집
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• 한국정보처리학회 2001년도 추계학술발표논문집 (상)
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• pp.289-292
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• 2001

에이전트 위임모델 기반 워크플로우 시스템은 기존 클라이언트 서버기반 워크플로우 시스템과 이동에이전트 기반 워크플로우 시스템보다 워크플로우 수가 증가하고 워크플로우 구조가 복잡해짐에 따라 보다 좋은 성능 및 확장성을 제공한다. 이는 에이전트 위임모델이 워크플로우 엔진에서 발생하는 병목현상을 제거하여 작업수행자(Task Performer)라 명명된 호스트들로 워크플로우 엔진의 부하를 자연스럽게 분산시키기 때문이다. 에이전트 위임모텔은 워크플로우 엔진의 부하를 제거하지만, 작업수행자의 부하를 고려하지 않고 작업을 할당하기 때문에, 작업수행자에 병목현상을 발생시킬 수 있다. 이는 에이전트 위임모델의 목적인 워크플로우 시스템의 성능 및 확장성 향상을 저해하는 요인이다. 따라서, 워크플로우 시스템의 성능 및 확장성을 향상시키기 위해서는 작업수행자에 발생하는 병목현상을 제거해야 한다. 본 논문에서는 작업수행자의 병목현상을 제거하기 위해 응답리스트(Response List)를 제안하며 응답리스트 관리방법을 제시한다. 이러한 응답리스트가 에이전트 위임모델 기반 워크플로우 시스템의 성능 및 확장성 향상에 어떠한 영향을 미치는지 성능평가를 수행한다.

• Molecules and Cells
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• 제37권1호
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• pp.36-42
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• 2014

The tomato (Solanum lycopersicum L.) is a model plant for genome research in Solanaceae, as well as for studying crop breeding. Genome-wide single nucleotide polymorphisms (SNPs) are a valuable resource in genetic research and breeding. However, to do discovery of genome-wide SNPs, most methods require expensive high-depth sequencing. Here, we describe a method for SNP calling using a modified version of SAMtools that improved its sensitivity. We analyzed 90 Gb of raw sequence data from next-generation sequencing of two resequencing and seven transcriptome data sets from several tomato accessions. Our study identified 4,812,432 non-redundant SNPs. Moreover, the workflow of SNP calling was improved by aligning the reference genome with its own raw data. Using this approach, 131,785 SNPs were discovered from transcriptome data of seven accessions. In addition, 4,680,647 SNPs were identified from the genome of S. pimpinellifolium, which are 60 times more than 71,637 of the PI212816 transcriptome. SNP distribution was compared between the whole genome and transcriptome of S. pimpinellifolium. Moreover, we surveyed the location of SNPs within genic and intergenic regions. Our results indicated that the sufficient genome-wide SNP markers and very sensitive SNP calling method allow for application of marker assisted breeding and genome-wide association studies.

• 인터넷정보학회논문지
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• 제20권5호
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• pp.49-55
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• 2019

Organizations design and operate business process models to achieve their goals efficiently and systematically. With the advancement of IT technology, the number of items that computer systems can participate in and the process becomes huge and complicated. This phenomenon created a more complex and subdivide flow of business process.The process instances that contain workcase and events are larger and have more data. This is an essential resource for process mining and is used directly in model discovery, analysis, and improvement of processes. This event log is getting bigger and broader, which leads to problems such as capacity management and I / O load in management of existing row level program or management through a relational database. In this paper, as the event log becomes big data, we have found the problem of management limit based on the existing original file or relational database. Design and apply schemes to archive and analyze large event logs through Hadoop, an open source distributed file system, and HBase, a NoSQL database system.

• 한국환경보건학회지
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• 제49권4호
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• pp.201-209
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• 2023

Background: To describe domain knowledge consistently and precisely, the establishment of a controlled vocabulary, a so-called ontology, is essential. Internationally, the plant ontology (PO) in the ecology field has been developed for the anatomy and developmental stages of plants in English, Spanish, and Japanese, but there is no Korean version of the PO due to a lack of knowledge on standardization for Korean plants. Objectives: We aimed to establish a Korean plant ontology with core PO architectures. Methods: The latest ontology web language (OWL)-formatted raw version of the PO was collected from the PO consortium site. A formal workflow process and OWL file-handing tools for efficient Korean content development were conducted and executed. Results: The macro- and micro-perspective frameworks of the PO were presented by analyzing the upper model and the internal OWL-leveled physical structure, respectively. We developed and validated Korean knowledge content for a total of 1,957 classes included in the PO and transplanted them into an ontology modeling system. Conclusions: A Korean plant ontology was established for international harmonization through improved compatibility and data exchangeability with multilingual environmental and ecological knowledge bases.

• 한국버섯학회지
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• 제14권3호
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• pp.111-118
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• 2016

버섯 병 재배용 배지는 재료의 혼합, 수분조절, 입병, 살균, 냉각의 작업과정을 거쳐 조성된다. 배지조성은 버섯종류별로 알맞은 재료의 선택, 수분함량, 병당 입병량, 가비중, 질소량, 병내 배지의 3상조건 등을 매일 입병 작업하는 과정에서 연중 일정하게 유지해야 할 필요가 있다. 이를 위하여 지금까지 배지조성에 관하여 단편적으로 개발한 기술들을 작업과정에 맞추어서 종합적으로 투입하는 모델을 설정하였다. 배지조성 방법들을 종합적으로 적용함으로써, 우리나라에서 4계절을 통한 버섯 재배에서 균 배양기간, 재배기간, 수량 및 품질에 기복이 많았던 점을 극복할 수 있을 것으로 기대한다.

• 한국건설관리학회논문집
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• 제9권6호
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• pp.194-203
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• 2008

건설기업은 내 외부의 경영환경이 글로벌화 되고 수주경쟁이 치열해 짐에 따라 기업 운영 효율성 증대와 수익성 증대를 위한 경영체제에 대한 노력이 요구된다. 1990년 이후 건설기업은 프로세스 중심의 내 외부 업무구조를 개선하기 위하여 BPR, 6시그마, PI, 워크플로우 관리, BPM 등 다양한 시도가 있었으며 기업내부에서 개선된 기능을 일부 획득 했으나 일회성 사업에 머물렀으며 변화에 대한 업무 프로세스 민첩성의 제공은 미비하였다. 또한 최근의 BPM 적용과 실용화 방안에 대해서는 타 산업분야의 이론과 방법론에 국한되어 있으며, 건설기업의 BPM 적용을 위한 도입 시도는 일부기업에서만 개념적 이론적 접근 및 검토단계에 머무르고 있다(B사, H사, 2007년 기준). 따라서 본 연구에서는 건설기업의 경영 패러다임의 변화를 반영하고 건설기업의 업무 프로세스 경영 모델의 도입현황과 개선요구사항을 분석하고자 한다. 또한 건설기업의 BPM 도입을 위하여, 지속 가능한 업무 프로세스 경영 모델의 구축방안을 제시함으로서 건설기업 BPM의 발전방향을 제시하고자 한다.

• KSII Transactions on Internet and Information Systems (TIIS)
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• 제11권2호
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• pp.1148-1161
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• 2017

The success of a business process management system stands or falls on the quality of the business processes. Many experiments therefore have been devoting considerable attention to the modeling and analysis of business processes in process-centered organizations. One of those experiments is to apply the probabilistic theories to the analytical evaluations of business process models in order to improve their qualities. In this paper, we excogitate a conceptual way of applying a probability theory of proportions into modeling business processes. There are three types of routing patterns such as sequential, disjunctive, conjunctive and iterative routing patterns in modeling business processes, into which the proportion theory is applicable. This paper focuses on applying the proportion theory to the disjunctive routing patterns, in particular, and formally named proportional information control net that is the formal representation of a corresponding business process model. In this paper, we propose a conceptual approach to discover a proportional information control net from the enactment event histories of the corresponding business process, and describe the details of a series of procedural frameworks and operational mechanisms formally and graphically supporting the proposed approach. We strongly believe that the conceptual approach with the proportional information control net ought to be very useful to improve the quality of business processes by adapting to the reengineering and redesigning the corresponding business processes.