• Title/Summary/Keyword: Semantic integration

Search Result 199, Processing Time 0.023 seconds

Integration of Heterogeneous Protein Databases Based on RDF(S) Models (RDF(S) 모델에 기반한 다양한 형태의 단백질 데이타베이스 통합)

  • Lee, Kang-Pyo;Yoo, Sang-Won;Kim, Hyoung-Joo
    • Journal of KIISE:Databases
    • /
    • v.35 no.2
    • /
    • pp.132-142
    • /
    • 2008
  • In biological domain, there exist a variety of protein analysis databases which have their own meaning toward the same target of protein. If we integrate these scattered heterogeneous data efficiently, we can obtain useful information which otherwise cannot be found from each original source. Reflecting the characteristics of biological data, each data source has its own syntax and semantics. If we describe these data through RDF(S) models, one of the Semantic Web standards, we can achieve not only syntactic but also semantic integration. In this paper, we propose a new concept of integration layer based on the RDF unified schema. As a conceptual model, we construct a unified schema focusing on the protein information; as a representational model, we propose a technique for the wrappers to aggregate necessary information from the relevant sources and dynamically generate RDF instances. Two example queries show that our integration layer succeeds in processing the integrated requests from users and displaying the appropriate results.

Automated Composition System of Web Services by Semantic and Workflow based Hybrid Techniques (시맨틱과 워크플로우 혼합기법에 의한 자동화된 웹 서비스 조합시스템)

  • Lee, Yong-Ju
    • The KIPS Transactions:PartD
    • /
    • v.14D no.2
    • /
    • pp.265-272
    • /
    • 2007
  • In this paper, we implement an automated composition system of web services using hybrid techniques that merge the benefit of BPEL techniques, with the advantage of OWL-S, BPEL techniques have practical capabilities that fulfil the needs of the business environment such as fault handling and transaction management. However, the main shortcoming of these techniques is the static composition approach, where the service selection and flow management are done a priori and manually. In contrast, OWL-S techniques use ontologies to provide a mechanism to describe the web services functionality in machine-understandable form, making it possible to discover, and integrate web services automatically. This allows for the dynamic integration of compatible web services, possibly discovered at run time, into the composition schema. However, the development of these approaches is still in its infancy and has been largely detached from the BPEL composition effort. In this work, we describe the design of the SemanticBPEL architecture that is a hybrid system of BPEL4WS and OWL-S, and propose algorithms for web service search and integration. In particular, the SemanticBPEL has been implemented based on the open source tools. The proposed system is compared with existing BPEL systems by functional analysis. These comparisions show that our system outperforms existing systems.

A Study on the Design with RDF Authoring Tool for Metadata Management (메타데이터 관리를 위한 RDF 저작도구 설계에 관한 연구)

  • 최호찬;김차종
    • Journal of the Korea Institute of Information and Communication Engineering
    • /
    • v.8 no.3
    • /
    • pp.605-613
    • /
    • 2004
  • Recently, the semantic web stands out in the next generation web. To realize the semantic web, the metadata integration is required between different metadatas on the web for metadata management. Otherwise, the integrated structure is needed to accommodate all of semantic, syntax and structure. RDF is one of the core technology and is more efficient framework for technology and interchange of metadata in the web, In this paper, for metadata management, we designed and implemented the RDF authoring system which converts each of metadata into RDF and makes it easy to manipulate and manage the different metadatas. For this, we researched about the RDF creation using Dublin Core metadata, the conversion of XML document into RDF, the RDF expression by N-Triple form and the integration of WSDL and RDF, and implemented the system on the lava platform. Basically, users using this system can integrate and manage metadatas easily even if they are not expert.

Verification Model for Object Integration in Heterogeneous Distributed Database (이질의 분산 데이타베이스에서 객체 통합을 위한 검증 모델)

  • Kim, Yong-Won
    • The Transactions of the Korea Information Processing Society
    • /
    • v.2 no.1
    • /
    • pp.12-22
    • /
    • 1995
  • When we integrate schema of distributed local databases, we mean entity integration as central concept of schema integration, and semantic of entity affects several factors. Thus the schema integration in distributed database environment starts from definition of domain relation among entity types of local schemas. Moreover, the domain relation defined by designer needs some works for confidence and validation of schema integration system. But this work was not presented in previous integration system. In this paper, we define object oriented integration for schema integration of local databases in distributed system environment, present models to verify validation on its integration, and implement the validation system.

  • PDF

A Decision Support System for Product Design Common Attribute Selection under the Semantic Web and SWCL (시맨틱 웹과 SWCL하의 제품설계 최적 공통속성 선택을 위한 의사결정 지원 시스템)

  • Kim, Hak-Jin;Youn, Sohyun
    • Journal of Information Technology Services
    • /
    • v.13 no.2
    • /
    • pp.133-149
    • /
    • 2014
  • It is unavoidable to provide products that meet customers' needs and wants so that firms may survive under the competition in this globalized market. This paper focuses on how to provide levels for attributes that compse product so that firms may give the best products to customers. In particular, its main issue is how to determine common attributes and the others with their appropriate levels to maximize firms' profits, and how to construct a decision support system to ease decision makers' decisons about optimal common attribute selection using the Semantic Web and SWCL technologies. Parameter data in problems and the relationships in the data are expressed in an ontology data model and a set of constraints by using the Semantic Web and SWCL technologies. They generate a quantitative decision making model through the automatic process in the proposed system, which is fed into the solver using the Logic-based Benders Decomposition method to obtain an optimal solution. The system finally provides the generated solution to the decision makers. This presentation suggests the opportunity of the integration of the proposed system with the broader structured data network and other decision making tools because of the easy data shareness, the standardized data structure and the ease of machine processing in the Semantic Web technology.

Ontology-Based Information Retrieval for Cultural Assets Information (문화재 정보의 온톨로지 기반 검색시스템)

  • Baek Seung-Jae;Cheon Hyeon-Jae;Lee Hong-Chul
    • Journal of the Korea Society of Computer and Information
    • /
    • v.10 no.3 s.35
    • /
    • pp.229-236
    • /
    • 2005
  • The Semantic Web enables machines to achieve an effective retrieval, integration, and reuse of web resources. The keyword search method currently used has a limit to accurate search results because of a simple string matching method in web environment. This paper proposes an Ontology-Based Information Retrieval which can solve the problems and retrieve better search results through semantic relations. In this system, we implemented the Cultural Assets Ontology based on OWL with RDQL and Jena API. we also suggest a method to handle properties stored in a database.

  • PDF

Towards Semantic Healthcare with Interoperable Processes (시맨틱 헬스케어를 위한 상호정보교환 프로세스)

  • Khan, Wajahat Ali;Hussain, Maqbool;Khattak, Asad Masood;Lee, Sung-Young;Gu, Gyo-Ho;Lee, Young-Koo
    • Proceedings of the Korea Information Processing Society Conference
    • /
    • 2011.04a
    • /
    • pp.414-415
    • /
    • 2011
  • Due to heterogeneity in Data and Processes, healthcare systems are facing the challenge of interoperability. This heterogeneity results in different healthcare workflows of each individual organization. The compatibility of these heterogeneous workflows is possible when standards are followed. HL7 is one of the standards that is used for communicating medical data between healthcare systems. Its newer version V3 is providing semantic interoperability which is lacking in V2. The interoperability in HL7 V3 is only limited to data level and process level interoperability needs to be catered. The process level interoperability is achieved only when heterogeneous workflows are aligned. These workflows are very complex in nature due to continuous change in medical data resulting in problems related to maintenance and degree of automation. Semantic technologies plays important role in resolving the above mentioned problems. This research work is based on the integration of semantic technology in HL7 V3 standard to achieve semantic process interoperability. Web Service Modeling Framework (WSMF) is used for incorporating semantics in HL7 V3 processes and achieves seamless communication. Interaction Ontology represents the process artifacts of HL7 V3 and helps in achieving automation.

Semantic Process Retrieval with Similarity Algorithms (유사도 알고리즘을 활용한 시맨틱 프로세스 검색방안)

  • Lee, Hong-Ju;Klein, Mark
    • Proceedings of the Korean Operations and Management Science Society Conference
    • /
    • 2007.11a
    • /
    • pp.267-272
    • /
    • 2007
  • One of the roles of the Semantic Web services is to execute dynamic intra-organizational services including the integration and interoperation of business processes. Since different organizations design their processes differently, the retrieval of similar semantic business processes is necessary in order to support inter-organizational collaborations. Most approaches for finding services that have certain features and support certain business processes have relied on some type of logical reasoning and exact matching. This paper presents our approach of using imprecise matching fur expanding results from an exact matching engine to query the OWL MIT Process Handbook. In order to use the MIT Process Handbook for process retrieval experiments, we had to export it into an OWL-based format. We model the Process Handbook meta-model in OWL and export the processes in the Handbook as instances of the meta-model. Next, we need to find a sizable number of queries and their corresponding correct answers in the Process Handbook. We devise diverse similarity algorithms based on values of process attributes and structures of business processes. We perform retrieval experiments to compare the performance of the devised similarity algorithms.

  • PDF

SW-IQS : Semantic Web based Information Query System for the integration of semantic data (SW-IQS : 의미론적 데이터 통합을 위한 시맨틱 웹 기반의 통합 정보 검색 시스템)

  • Choi, Ok-Kyung;Han, Sang-Young
    • Proceedings of the Korea Information Processing Society Conference
    • /
    • 2003.05b
    • /
    • pp.895-898
    • /
    • 2003
  • 본 연구에서는 온톨로지를 이용한 SW-IQS(Semantic Web based Information Query System)를 제안한다. 제안한 시스템은 자동 분류 기술과 정보 검색 기법들을 이용하여 반구조(semi-structured) 문서뿐만 아니라 비구조(unstructured) 문서의 처리를 극대화시키고자 한다. 또한 상호 운용성 및 데이터 통합을 위해 RDF(S) 방식의 문서 저장 서버를 지원하며 웹 페이지들간에 검색 순위를 두어 보다 신속하고 정확한 정보 검색이 가능하도록 하고자 한다. 마지막으로 새로운 순위 측정 알고리즘을 제안하고 이를 이용한 성능 평가를 실시하여 그 효율성과 정확성을 검증해 보이고자 한다.

  • PDF

ERP Application Development Using Business Data Dictionary (데이터사전을 이용한 ERP애플리케이션 개발)

  • Minsu Jang;Joo-Chan Sohn;Jong-Myoung Baik
    • The Journal of Society for e-Business Studies
    • /
    • v.7 no.1
    • /
    • pp.141-152
    • /
    • 2002
  • Data dictionary is a collection of meta-data, which describes data produced and consumed while performing business processes. Data dictionary is an essential element for business process standardization and automation, and has a fundamental role in ERP application management and customization. Also, data dictionary facilitates B2B processes by enabling painless integration of business processes between various enterprises. We implemented data dictionary support in SEA+, a component- based scalable ERP system developed in ETRI, and found out that it's a plausible feature of business information system. We discovered that data dictionary promotes semantic, not syntactic, data management, which can make it possible to leverage viability of the tool in the coming age of more meta-data oriented computing world. We envision that business data dictionary is a firm foundation of adapting business knowledge, applications and processes into the semantic web based enterprise infra-structure.

  • PDF