Due to its portability and popularity for Internet applications, Java has become one of the major programming languages. The similar syntax inherited from the C language and the pure objectoriented features, compared...
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Database design involves a set of activities, which include requirements analysis, conceptual database design, selection of a database management system, mapping from conceptual model to physical model, and the physic...
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We present a concept to integrate constraints and triggers into an object-oriented geo database kernel and propose an extension of the underlying object definition language to specify constraints and triggers. To redu...
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This paper compares two approaches to meeting the data handling requirements of Intermedia, a hypermedia system developed at the Institute for Research in Information and Scholarship at Brown University. Intermedia, t...
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An object algebra that can be used for supporting the ODMG standard is formally defined. The algebra is represented by a number of special forms of expressions serving for querying the current database state. Quantifi...
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The explosion of wide-band networks and the arrival of the information highway mean that large amounts of information are on-line, but where knowledge is in the form of procedures it is likely to be hard to reuse it o...
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The object-oriented data model TM is a language that is based on the formal theory of FM, a typed language with object-oriented features such as attributes and methods in the presence of subtyping. The general (typed)...
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In the spirit of interdependence of the different areas of CHI research, we present a description of OPOSSUM, a visualization tool inspired by concepts from heterogeneous databases. OPOSSUM is a tool for visualizing a...
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We propose three designs for clustering objects: a new graph partitioning algorithm, Boruvka’s algorithm, and a randomized algorithm for object graph clustering. Several points are innovative in our approach to clust...
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In this paper, we consider the framework of "complex" information systems, related to biology, geographical information, multimedia, etc. Apart from being inherently complex, objects of these domains are evo...
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