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Providing Real-Time Response, State Recency and Temporal Consistency in Databases for Rapidly Changing Environments.
Peer reviewed Peer reviewed
Datta, Anindya; Viguier, Igor R. – Information Systems, 1997
In environments where the state of the system changes rapidly, such as stock trading, air traffic control, network management, and process control, databases have been proposed as the platform to develop automated control systems. Information in such systems consists of "updates," reporting on the state of the environment and…
Descriptors: Air Traffic Control, Algorithms, Automation, Database Management Systems
Compression of Index Term Dictionary in an Inverted-File-Oriented Database: Some Effective Algorithms.
Peer reviewed Peer reviewed
Wisniewski, Janusz L. – Information Processing and Management, 1986
Discussion of a new method of index term dictionary compression in an inverted-file-oriented database highlights a technique of word coding, which generates short fixed-length codes obtained from the index terms themselves by analysis of monogram and bigram statistical distributions. Substantial savings in communication channel utilization are…
Descriptors: Algorithms, Database Management Systems, Databases, Information Retrieval
Transaction Logging.
Peer reviewed Peer reviewed
Jones, S.; And Others – Journal of Documentation, 1997
Discusses the use of transaction logging in Okapi-related projects to allow search algorithms and user interfaces to be investigated, evaluated, and compared. A series of examples is presented, illustrating logging software for character-based and graphical user interface systems, and demonstrating the usefulness of relational database management…
Descriptors: Algorithms, Computer Interfaces, Computer Software, Database Management Systems