• Title/Summary/Keyword: semantic constraints

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Ontology-based Semantic Matchmaking for Service-oriented Mission Operation (서비스 지향 임무 수행을 위한 온톨로지 기반 시맨틱 매칭 방법)

  • Song, Seheon;Lee, SangIl;Park, JaeHyun
    • Journal of Advanced Navigation Technology
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    • v.20 no.3
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    • pp.238-245
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    • 2016
  • There are technological, operational and environmental constraints at tactical edge, which are disconnected operation, intermittent connectivity, and limited bandwidth (DIL), size, weight and power (SWaP) limitations, ad-hoc and mobile network, and so on. To overcome these limitations and constraints, we use service-oriented architecture (SOA) based technologies. Moreover, the operation environment is highly dynamic: requirements change in response to the emerging situation, and the availability of resources needs to be updated constantly due to the factors such as technical failures. In order to use appropriate resources at the right time according to the mission, it needs to find the best resources. In this context, we identify ontology-based mission service model including mission, task, service, and resource, and develop capability-based matching in tactical edge environment. The goal of this paper is to propose a capability-based semantic matching for dynamic resource allocation. The contributions of this paper are i) military domain ontologies ii) semantic matching using ontology relationship; and (iii) the capability-based matching for the mission service model.

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
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    • v.13 no.2
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    • pp.133-149
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    • 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.

A XML Schema Matching based on Fuzzy Similarity Measure

  • Kim, Chang-Suk;Sim, Kwee-Bo
    • 제어로봇시스템학회:학술대회논문집
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    • 2005.06a
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    • pp.1482-1485
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    • 2005
  • An equivalent schema matching among several different source schemas is very important for information integration or mining on the XML based World Wide Web. Finding most similar source schema corresponding mediated schema is a major bottleneck because of the arbitrary nesting property and hierarchical structures of XML DTD schemas. It is complex and both very labor intensive and error prune job. In this paper, we present the first complex matching of XML schema, i.e. XML DTD, inlining two dimensional DTD graph into flat feature values. The proposed method captures not only schematic information but also integrity constraints information of DTD to match different structured DTD. We show the integrity constraints based hierarchical schema matching is more semantic than the schema matching only to use schematic information and stored data.

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Implementation of Mission Service Model and Development Tool for Effective Mission Operation in Military Environment (전장공간의 효율적 임무수행을 위한 임무서비스 모델 및 개발도구 구현)

  • Song, Seheon;Byun, Kohun;Lee, Sangil;Park, JaeHyun
    • KIPS Transactions on Software and Data Engineering
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    • v.6 no.6
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    • pp.285-292
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    • 2017
  • There are technological, operational and environmental constraints at tactical edge, which are disconnected operation, intermittent connectivity, and limited bandwidth (DIL), size, weight and power (SWaP) limitations, ad-hoc and mobile network, and so on. To overcome these limitations and constraints, we use service-oriented architecture (SOA) based technologies. In our research, we propose a hierarchical mission service model that supports service-oriented mission planning and execution in order for a commander to operate various SW required for mission in battlefield environment. We will also implement development tools that utilize the workflow technology and semantic capability-based recommendation and apply them to combat mission scenarios to demonstrate effectiveness.

Generic Summarization Using Generic Important of Semantic Features (의미특징의 포괄적 중요도를 이용한 포괄적 문서 요약)

  • Park, Sun;Lee, Jong-Hoon
    • Journal of Advanced Navigation Technology
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    • v.12 no.5
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    • pp.502-508
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    • 2008
  • With the increased use of the internet and the tremendous amount of data it transfers, it is more necessary to summarize documents. We propose a new method using the Non-negative Semantic Variable Matrix (NSVM) and the generic important of semantic features obtained by Non-negative Matrix Factorization (NMF) to extract the sentences for automatic generic summarization. The proposed method use non-negative constraints which is more similar to the human's cognition process. As a result, the proposed method selects more meaningful sentences for summarization than the unsupervised method used the Latent Semantic Analysis (LSA) or clustering methods. The experimental results show that the proposed method archives better performance than other methods.

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Applying OWL SameAs to an Ontology in the Semantic Web (시맨틱 웹 온톨로지에서의 OWL sameAs 적용)

  • Kang, In-Su;Jung, Han-Min;Lee, Seung-Woo;Kim, Pyung;Lee, Mi-Kyung;Sung, Won-Kyung
    • Journal of KIISE:Software and Applications
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    • v.34 no.4
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    • pp.359-367
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    • 2007
  • The ontology is the underlying knowledge base to create the semantic web. Prerequisites for the success of the semantic web include widespread uses/sharing/merging of ontologies. In addition, it is very crucial to secure the integrity of ontology instances such as instance-identifying/referring integrity, and attribute domain constraints. In terms of ensuring instance-identifying integrity, OWL provides owl:sameAs property which is used to connect two separate ontology instances in order to represent that the two instances are the same. Recent semantic web works, however, have not sufficiently investigated the issues one may face in applying owl:sameAs to real semantic web applications. This study introduces our experiences of sameAs in developing a semantic web service framework for a research domain.

Analysis and Modeling of Semantic Relationships in e-Catalog Domain (전자카탈로그에서의 의미적 관계 분석과 모델링)

  • Lee, Min-Jung;Lee, Hyun-Ja;Shim, Jun-Ho
    • The Journal of Society for e-Business Studies
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    • v.9 no.3
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    • pp.243-258
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    • 2004
  • Building a domain-suited ontology, as a means to implement the Semantic Web, is widely believed to offer users the benefit of exploiting the semantic knowledge constrained in the application. Electronic Catalog, shortly e-Catalog, manages the information about the goods or conditions play an important role in e-commerce domain. Consequently, semantically enriched yet precise information by the ontology may elaborate the business transactions. In this paper, we analyze the semantic relationships embodied within the catalog domain, as the first step towards the ontological modeling of e-catalog. Exploring ontology should leverage not only the representation of semantic knowledge but also provide the inferencing capability for the model. We employ the EER(extended Entity Relationships) for the basic model. Each modeling construct can be directly translated by DL(Description Logics). Semantic constraints that can be hardly represented in EER are directly modeled in DL.

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A Family of Topic Constructions in Korean: A Construction-based Analysis

  • Kim, Jong-Bok
    • Language and Information
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    • v.20 no.1
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    • pp.1-24
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    • 2016
  • Korean is well-known for its topic-prominent properties. In this paper, we look into several subtypes of topic constructions whose grammatical complexities have received much attention in generative grammar. From a semantic/pragmatic view, topics in Korean can be classified into three different types: aboutness, contrastive, and scene-setting. Meanwhile, syntax can classify topic constructions into two types, depending on whether or not the comment clause following topic has a syntactic gap linked to the topic. In this paper, we review some key properties of these topic constructions in Korean, and suggest that each type is licensed by tight interactions between syntactic and semantic constraints. In particular, the paper tries to offer a Construction Grammar analysis where each grammatical component is interacting in non-modular ways and in which the multiple inheritance network of constructions plays an important role in capturing cross-cutting generalizations of the topic constructions.

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English Absolutes, Free Adjuncts, and WITH: A Constructional Analysis

  • Yoo, Eun-Jung
    • Language and Information
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    • v.12 no.2
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    • pp.49-75
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    • 2008
  • English absolutes and free adjuncts, despite their abridged syntactic forms, function as full subordinating adverbial clauses, with their semantic roles varied according to the interpretation of the matrix clauses. This paper investigates how to represent the syntactic structures and semantic variability of absolutes and free adjuncts in a unified way, accounting for overlapping properties among various subtypes of the constructions on the one hand, and differences on the other. In the proposed analysis, the clausal properties of absolutes and free adjuncts are captured by the subject selecting property and the clausal meaning associated with a predicative phrase, thus not calling for a null verb or complementizer. In classifying and defining diverse subtypes of the constructions via type constraints, the present work also provides an account of different uses of with involved in absolutes and free adjuncts.

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A Semantic Analysis of Korean Compound Nouns with Enforced Semantic Constraints using a Na${\ddot{i}}$ve Bayes Classifier (나이브 베이즈 분류기를 이용한 의미제약이 강화된 한국어 복합명사 의미 분석)

  • Lee, Yong-Hoon;Ock, Cheol-Young
    • Annual Conference on Human and Language Technology
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    • 2011.10a
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    • pp.102-106
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    • 2011
  • 본 논문에서는 사전 원어정보를 이용한 기존 방법에 나이브 베이즈 분류기를 추가로 이용하는 의미제약 기술에 대하여 소개한다. 의미제약은 의미 분석의 전처리 단계로서 부분적으로 중의성을 해소하여 입력된 복합명사의 분석 정확도 뿐만 아니라 전체적인 분석시간의 단축에도 큰 도움을 준다. 나이브 베이즈 분류기를 이용하는 방법은 사전의 의존성으로 인해 제약할 수 없는 2-gram을 대상으로 제약을 시도한다. 분류기를 위한 학습데이터는 의미 태깅된 기분석 2-gram사전을 이용하여 U-WIN의 관계정보와 사전 그리고 패턴들에 의해 생성된다. 원어정보로 해결하지 못하는 34.63%의 2-gram중 2.83%에 대해 추가로 제약에 성공 하였다.

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