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检索条件"主题词=Object-oriented databases"
913 条 记 录,以下是391-400 订阅
排序:
Deductive database languages: Problems and solutions
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ACM COMPUTING SURVEYS 1999年 第1期31卷 27-62页
作者: Liu, MC Univ Regina Dept Comp Sci Regina SK S4S 0A2 Canada
Deductive databases result from the integration of relational database and logic programming techniques. However, significant problems remain inherent in this simple synthesis from the language point of view. In this ... 详细信息
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Export database derivation in object-oriented wrappers
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INFORMATION AND SOFTWARE TECHNOLOGY 1999年 第4期41卷 183-196页
作者: Lim, EP Lee, HK Nanyang Technol Univ Sch Appl Sci Div Software Syst Singapore 639798 Singapore
Wrappers export the schema and data of existing heterogeneous databases and support queries on them. In the context of cooperative information systems, we present a flexible approach to specify the derivation of objec... 详细信息
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TVOO:: A temporal versioned object-oriented data model
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INFORMATION SCIENCES 1999年 第1-4期114卷 281-300页
作者: Rodríguez, L Ogata, H Yano, Y Univ Tokushima Fac Engn Dept Informat Sci & Intelligent Syst Tokushima 770 Japan
In temporal contexts, information entities are not physically discarded from the database after they are modified. This non-deletion rule allows the recovery of past states of the database while a consistency history ... 详细信息
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Towards concept-oriented databases
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DATA & KNOWLEDGE ENGINEERING 1999年 第1期30卷 23-55页
作者: Dubitzky, W Büchner, AG Hughes, JG Bell, DA Univ Ulster Fac Informat Newtonabbey BT37 0QB Antrim North Ireland
Case-based reasoning (CBR) systems define knowledge in terms of a memory or library of past cases and a retrieval mechanism that revolves around retrieving data relevant to a goal query. Additionally, such systems emp... 详细信息
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Incremental materialization of object-oriented views
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DATA & KNOWLEDGE ENGINEERING 1999年 第2期29卷 121-145页
作者: Alhajj, R Elnagar, A Sultan Qaboos Univ Dept Comp Sci Muscat Oman
We present an approach to handle incremental materialization of object-oriented views. Queries that define views are implemented as methods that are invoked to compute corresponding views. To avoid computation from sc... 详细信息
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Type safety in the context of method updates
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JOURNAL OF INTELLIGENT INFORMATION SYSTEMS 1999年 第3期13卷 279-298页
作者: Tari, Z Li, X Liu, L Royal Melbourne Inst Technol Dept Comp Sci Melbourne Vic Australia Univ New S Wales Sch Informat Syst & Management Kensington NSW 2033 Australia Oregon Grad Inst Dept Comp Sci & Engn Portland OR USA
This paper presents a framework for checking and maintaining type safety in the presence of method evolution. A method update often affects all components of the method, including the inter face and the implementation... 详细信息
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Applying object-oriented database technologies in concurrent design processes
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INTERNATIONAL JOURNAL OF COMPUTER INTEGRATED MANUFACTURING 1999年 第3期12卷 251-264页
作者: Kung, HK Du, TCT Weng, CH Chung Yuan Christian Univ Dept Ind Engn Chungli 32023 Taiwan
A concurrent design can be used to improve productivity and quality by means of shortening product development time and sharing design information. In order to share information among designers, an object-oriented dat... 详细信息
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An access mechanism for a temporal versioned object-oriented database
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IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS 1999年 第1期E82D卷 128-135页
作者: Rodriguez, L Ogata, H Yano, Y Univ Tokushima Fac Engn Dept Informat Sci & Intelligent Syst Tokushima 7708506 Japan
object-oriented database systems (OODBMS) are well known for modeling complex and dynamic application domains. Typically OODBMS have to handle large and complex structured objects whose values and structures can chang... 详细信息
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A fuzzy object-oriented Data model for managing vague and uncertain information
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INTERNATIONAL JOURNAL OF INTELLIGENT SYSTEMS 1999年 第7期14卷 623-651页
作者: Bordogna, G Pasi, G Lucarella, D CNR Inst Multimedia Informat I-20131 Milan Italy Natl Elect Energy Co Ctr Automat Res Milan Italy
In this paper, a fuzzy object-oriented Data model (FOOD) is defined based on the extension of a Graph-based object model (D. Lucarella and A. Zanzi "A graph-oriented data model," in Database and Expert Syste... 详细信息
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Abstraction on clinical data sequences: an object-oriented data model and a query language based on the event calculus
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ARTIFICIAL INTELLIGENCE IN MEDICINE 1999年 第3期17卷 271-301页
作者: Combi, C Chittaro, L Univ Udine Dipartimento Matemat & Informat I-33100 Udine Italy
In this work, we deal with temporal abstraction of clinical data. Abstractions are, for example, blood pressure state (e.g. normal, high, low) and trend (e.g. increasing, decreasing and stationary) over time intervals... 详细信息
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