During the last years object-oriented database systems have become a major topic in database research. A large number of research institutes are working on individual aspects or complete system prototypes. However, th...
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Queries in object-oriented databases can return non-homogeneous sets of objects when no type restrictions are placed on the inputs to the query. The tradition has been to force homogeneity on the result by restricting...
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This paper adresses the problem of clustering complex data on disk to minimize the number of I/O in data intensive applications. It describes the clustering strategies adopted in the O2 system. As clustering depends o...
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The PCTE interfaces define a Public Tool Interface intended to serve as a basis for the construction of integrated software engineering environments (SEES). The interfaces include object Management System (OMS) servic...
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databases and knowledge bases may be inconsistent in many ways. However, a database that is inconsistent may, nonetheless, contain a great deal of useful information. Classical logic, however, would deem such a databa...
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The focus of this paper is on how Active KDL can be used to provide a very powerful simulation support environment. Active KDL (Knowledge/Data Language) is an object-oriented database programming language, which provi...
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The appeal of objectoriented systems and methodologies is that they provide conceptually simple and powerful tools to represent the real-world. The essential elements of object orientation include: information hiding...
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The use of an object-oriented database is required to successfully accomplish the phased integration of diverse design tools and data used during the CAD process. The paper discusses the requirements for such a databa...
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Relational database management systems translate queries posed in a non-procedural language into an efficiently executable plan. The plan consists of primitive database operators that use underlying database managemen...
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Examines the usability of the object-oriented programming and design in cognitive consequences. Characteristics of the object-oriented design; Structure of the problem decomposition; Influence of solution content on t...
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Examines the usability of the object-oriented programming and design in cognitive consequences. Characteristics of the object-oriented design; Structure of the problem decomposition; Influence of solution content on the management of the design process.
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