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Please use this identifier to cite or link to this item: https://ah.lib.nccu.edu.tw/handle/140.119/35203
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dc.contributor.advisor諶家蘭zh_TW
dc.contributor.advisorSeng, Jia-Langen_US
dc.contributor.author龔怡寧zh_TW
dc.contributor.authorKung, Yi-Ningen_US
dc.creator龔怡寧zh_TW
dc.creatorKung, Yi-Ningen_US
dc.date2003en_US
dc.date.accessioned2009-09-18T06:26:07Z-
dc.date.available2009-09-18T06:26:07Z-
dc.date.issued2009-09-18T06:26:07Z-
dc.identifierG0091356011en_US
dc.identifier.urihttps://nccur.lib.nccu.edu.tw/handle/140.119/35203-
dc.description碩士zh_TW
dc.description國立政治大學zh_TW
dc.description資訊管理研究所zh_TW
dc.description91356011zh_TW
dc.description92zh_TW
dc.description.abstract由於對資訊科技以及網際網路/和企業內網路的依賴持續加深，異質資訊整合在電子化企業中已經成為一個普遍存在而且相當重要的議題。因為在缺乏整合的情形下個別地存取異質資訊來源可能會造成資訊的混亂，而且在電子化企業的環境中，這麼做也不符合成本效益決策支援管理分析。在傳統異質資訊整合的研究中，通常會創造一個共同資料模式來處理異質性的問題，而可延伸性標記語言已經成為網路上交換資訊時的標準文件格式，使得XML成為整合工作中共同資料模式的一個很好的候選者；然而，XML僅能夠處理結構異質性，無法處理語意異質性，而本體論被視為是一個重要而且自然的工具可以用來表現真實世界中模糊不清的語意和關係，因此，在本研究中也加入了本體論以期達到異質資訊整合中的語意互動性。\n在本篇論文中，我們提出一個以學名結構導向非特殊隨機式對應的方法來產生全區域綱要方法（Global Schema），以促成非傳統而是以網路為基礎的異質資訊整合。我們也提出一個對異質資訊來源較具智慧性的查詢方法，該查詢方法應用了global-as-view （GAV）全區域景觀導向方法加上本體論觀念運用，可以同時提高對底層異質資訊來源的結構互動性和語意互動性。我們透過雛型系統的實作來驗證本研究所提供的異質資訊整合方法的可行性。zh_TW
dc.description.abstractThe research issues of heterogeneous information integration have become ubiquitous and critically important in e-business (EB) with the increasing dependence on Internet/Intranet and information technology (IT). Accessing the heterogeneous information sources separately without integration may lead to the chaos of information requested. It is also not cost-effective in EB settings. A common general way to deal with heterogeneity problems in traditional HII is to create a common data model. The eXtensible Markup Language (XML) has been the standard data document format for exchanging information on the Web. XML only deals with the structural heterogeneity; it can barely handle the semantic heterogeneity. Ontologies are regarded as an important and natural means to represent the implicit semantics and relationships in the real world. And they are used to assist to reach semantic interoperability in HII in this research.\nIn this thesis, we provide a generic construct orientation no ad hoc method to generate the global schema to enable the web-based alternative to traditional HII. We provide a wiser query method over multiple heterogeneous information sources by applying global-as-view (GAV) approach with the use of ontology to enhance both structural and semantic interoperability of the underlying heterogeneous information sources. We construct a prototype implementing the method to provide a proof on the validity and feasibility.en_US
dc.description.tableofcontentsTABLE OF CONTENTS\nLIST OF FIGURES III\nLIST OF TABLES IV\nCHAPTER 1 INTRODUCTION 1\n1.1. RESEARCH MOTIVATION 1\n1.2. RESEARCH ISSUE 2\n1.3. RESEARCH OBJECTIVE 3\n1.4. RESEARCH FLOW 4\n1.5. RESEARCH ORGANIZATION 5\nCHAPTER 2 LITERATURE REVIEW 7\n2.1. DISTRIBUTED INFORMATION INTEGRATION 7\n2.1.1. TSIMMIS 7\n2.1.2. Information Manifold 9\n2.1.3. DISCO 10\n2.1.4. Garlic & Clio 12\n2.1.5. YAT 14\n2.2. XML-BASED INFORMATION INTEGRATION 16\n2.2.1. MIX 16\n2.2.2. Agora 17\n2.3. ANALYSIS AND COMPARISON 19\n2.4. ONTOLOGY 26\n2.4.1. Definition of Ontology 26\n2.4.2. Ontology Representation Languages 27\n2.4.3. Factors of Using Ontologies in Information Integration System 27\nCHAPTER 3 RESEARCH METHOD 29\n3.1. RESEARCH METHOD 29\n3.2. RESEARCH STRUCTURE 29\n3.3. INFORMATION INTEGRATION METHOD IN RESEARCH STRUCTURE 34\n3.3.1. The Creation of Global Schema 35\n3.3.2. The Creation of Ontology 52\n3.3.3. Mapping Global Schema to Local Data Sources 54\n3.4. QUERY RESOLUTION IN RESEARCH STRUCTURE 57\nCHAPTER 4 RESEARCH PROTOTYPE 64\n4.1. PROTOTYPE SYSTEM ARCHITECTURE 64\n4.2. PROTOTYPE SYSTEM PLATFORM 65\n4.3. PROTOTYPE SYSTEM DESIGN 66\n4.4. PROTOTYPE SYSTEM PRESENTATION 70\nCHAPTER 5 RESEARCH DISCUSSIONS AND LIMITATIONS 77\n5.1. RESEARCH IMPLICATIONS 77\n5.2. RESEARCH LIMITATIONS 81\nCHAPTER 6 CONCLUSIONS AND FUTURE RESEARCH DIRECTIONS 83\n6.1. SUMMARY 83\n6.2. FUTURE RESEARCH DIRECTIONS 84\nREFERENCES 86\nA SIMPLE EXAMPLE IMPLEMENTATION 90\n\nLIST OF FIGURES\nFIGURE 1 1: RESEARCH FLOW 5\nFIGURE 2 1: TSIMMIS ARCHITECTURE 8\nFIGURE 2 2: ARCHITECTURE OF THE INFORMATION MANIFOLD 10\nFIGURE 2 3: DISCO ARCHITECTURE 11\nFIGURE 2 4: GARLIC ARCHITECTURE 13\nFIGURE 2 5: CLIO’S LOGICAL ARCHITECTURE 14\nFIGURE 2 6: YAT TRANSLATION SCENARIO 15\nFIGURE 2 7: MIX ARCHITECTURE 17\nFIGURE 2 8: GENERAL ARCHITECTURE OF THE AGORA DATA INTEGRATION SYSTEM 18\nFIGURE 3 1: RESEARCH STRUCTURE 31\nFIGURE 3 2: COMPONENTS IN RESEARCH STRUCTURE 32\nFIGURE 3 3: THE GLOBAL INTEGRATION PROCESS 36\nFIGURE 3 4: TRANSFORM RELATIONAL DATA MODEL INTO XML DATA MODEL 39\nFIGURE 3 5: REWRITE RELATIONAL SCHEMA INTO W3C XML SCHEMA ACCORDING TO THE GENERIC CONSTRUCTS CORRESPONDENCE 40\nFIGURE 3 6: AN EXAMPLE OF TRANSFORMING OBJECT DATA MODEL TO XML DATA MODEL 42\nFIGURE 3 7: AN EXAMPLE OF TRANSFORMING OBJECT DATABASE SCHEMA TO XML SCHEMA 45\nFIGURE 3 8: AN INTEGRATED SCHEMA IN W3C XML SCHEMA FOR THE EXAMPLE 51\nFIGURE 3 9 A FRAGMENT OF THE EXAMPLE OF THE MAPPING BETWEEN GLOBAL SCHEMA AND SOURCE SCHEMA 57\nFIGURE 3 10: QUERY PROCESSING IN RESEARCH STRUCTURE 59\nFIGURE 4 1: THE PROTOTYPE SYSTEM ARCHITECTURE 65\nFIGURE 4 2: DEMONSTRATION OF THE CREATION OF THE ONTOLOGY BY MEANS OF PROTÉGÉ 2.0 67\nFIGURE 4 3: PROTOTYPE SYSTEM FUNCTIONS 68\nFIGURE 4 4: QUERY INTERFACE OF THE PROTOTYPE SYSTEM 70\nFIGURE 4 5: USERS FORMULATE THE XQUERY EXPRESSION OF THEIR OWN QUERIES ACCORDING TO THE GLOBAL SCHEMA 71\nFIGURE 4 6: THE REFORMULATED QUERY 72\nFIGURE 4 7: THE QUERY PLAN GENERATED BY THE PROTOTYPE SYSTEM 73\nFIGURE 4 8: THE DECOMPOSED SUB-QUERIES AND THE TRANSLATED QUERY GENERATED BY WRAPPERS 74\nFIGURE 4 9: THE DECOMPOSED SUB-QUERIES AND THE TRANSLATED QUERY GENERATED BY WRAPPERS (CONTINUE) 74\nFIGURE 4 10: QUERY-PROCESSING COMPLETE 75\nFIGURE 4 11: THE QUERY RESULT IN XML DOCUMENT 76\n\n\nLIST OF TABLES\nTABLE 2 1: COMPARISON OF INFORMATION INTEGRATION METHODS 23\nTABLE 3 1: CORRESPONDENCES BETWEEN RELATIONAL SCHEMA CONSTRUCTS AND W3C XML SCHEMA CONSTRUCTS 38\nTABLE 3 2: CORRESPONDENCES BETWEEN OBJECT DATABASE SCHEMA CONSTRUCTS AND W3C XML SCHEMA CONSTRUCTS 40\nTABLE 3 3: CAUSES FOR STRUCTURAL HETEROGENEITY 46\nTABLE 3 4: CAUSES FOR SEMANTIC HETEROGENEITY 53\nTABLE 3 5: COMPARISON BETWEEN GAV AND LAV 55\nTABLE 3 6: THE CORRESPONDENCES BETWEEN XQUERY EXPRESSION AND SQL EXPRESSION 61\nTABLE 3 7: THE CORRESPONDENCES BETWEEN XQUERY EXPRESSION AND OQL EXPRESSION 62zh_TW
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dc.language.isoen_US-
dc.source.urihttp://thesis.lib.nccu.edu.tw/record/#G0091356011en_US
dc.subject異質資訊整合zh_TW
dc.subject延伸性標記語言zh_TW
dc.subject本體論zh_TW
dc.subject結構互動性和語意互動性zh_TW
dc.subjectHeterogeneous Information Integrationen_US
dc.subjectXMLen_US
dc.subjectOntologyen_US
dc.subjectSyntactic and Semantic Interoperabilityen_US
dc.titleA Schema and Ontology-Assisted Heterogeneous Information Integration Studyzh_TW
dc.title運用綱要和本體論以協助異質資訊整合之研究zh_TW
dc.typethesisen
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dc.relation.referenceTSIMMIS: http://www-db.stanford.edu/tsimmis/tsimmis.htmlzh_TW
dc.relation.referenceDISCO: http://www-caravel.inria.fr/Eprototype_Disco.htmlzh_TW
dc.relation.referenceGarlic: http://www.almaden.ibm.com/cs/garlic/zh_TW
dc.relation.referenceMIX: http://www.npaci.edu/DICE/mix-system.htmlzh_TW
dc.relation.referenceAgora: http://www-rocq.inria.fr/~manolesc/AGORA/index.htmlzh_TW
dc.relation.referenceOBSERVER: http://sol1.cps.unizar.es:5080/OBSERVER/zh_TW
dc.relation.referenceONTOBROKER: http://ontobroker.aifb.uni-karlsruhe.de/index_ob.htmlzh_TW
dc.relation.referenceHERA: http://wwwis.win.tue.nl/~hera/zh_TW
dc.relation.referenceW3C: http://www.w3.orgzh_TW
dc.relation.referenceXQuery: http://www.w3.org/XML/Queryzh_TW
dc.relation.referenceXML Schema: http://www.w3.org/XML/Schemazh_TW
dc.relation.referenceRDF: http://www.w3.org/RDF/zh_TW
dc.relation.referenceOWL: http://www.w3.org/2001/sw/WebOnt/zh_TW
dc.relation.referenceJena: http://jena.sourceforge.net/zh_TW
dc.relation.referenceProtégé: http://protege.stanford.eduzh_TW
dc.relation.referenceAPA Style Essentials: http://www.vanguard.edu/faculty/ddegelman/index.cfm?doc_id=796#titlezh_TW
dc.relation.referencehttp://www-ksl.stanford.edu/kst/what-is-an-ontology.htmlzh_TW
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