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| Databases | 3 |
| Mathematical Formulas | 2 |
| Access to Information | 1 |
| Database Design | 1 |
| Deduction | 1 |
| Evaluation Methods | 1 |
| Heuristics | 1 |
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| Information Retrieval | 1 |
| Local Area Networks | 1 |
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| Information Systems | 3 |
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Peer reviewedBarja, Maria L.; And Others – Information Systems, 1995
Presents the design and implementation of a deductive object-oriented database which is built upon a formally defined data model that uses two languages: an imperative programming language called ROCK (Rule Object Computation Kernel), and a logic language called ROLL (Rule Object Logic Language). (LRW)
Descriptors: Database Design, Databases, Deduction, Evaluation Methods
Peer reviewedTsotras, Vassilis J.; Kangelaris, Nickolas – Information Systems, 1995
Presents an access method for temporal data called the Snapshot Index that reconstructs a past state of a time-evolving collection of objects. Previous approaches to temporal access methods are reviewed, and migrating data to write-once optical disks are discussed. (Author/LRW)
Descriptors: Access to Information, Databases, Indexes, Mathematical Formulas
Peer reviewedLee, Heeseok; Park, Taeho – Information Systems, 1995
Discussion of local area networks and multiple file servers for concurrent information retrievals provides a rationale for workload and data allocation and presents an analytical model which will attain effective allocation policies. Nonlinear integer programming is discussed, and computational results show the effectiveness of the heuristic.…
Descriptors: Databases, Heuristics, Information Retrieval, Local Area Networks
