Abstract:
An ontology-based knowledge modeling system comprising: a conceptual modeling (100) unit for classifying a knowledge region of a specific domain, performing detailed modeling on a conceptual detailed domain within the classified knowledge region, and configuring a specific domain knowledge model (110) having the respective detailed models (120) as a set; a logical modeling (200) unit for configuring a schema-based logical model (210) based on respective detailed schemas (220) defined by referring to detailed models that correspond to the detailed schemas one by one from the set of the specific domain knowledge model of the conceptual modeling unit; and a physical modeling (300) unit for configuring a physical knowledge reposit model (310) by a detailed data repository (320) for physically analyzing the schemas defined by respective detailed schemas in the logical modeling process, and a mediator (340) for controlling an external interface (330) of the detailed data repository.
Abstract:
A cache management system using a cache register in a mobile database system includes a mobile cache manager (31, 41 ) and a mobile cache register (11 ). The mobile cache manager (31, 41 ) in a mobile support station (30, 40) manages a mobile cache that is an integration of data caches of terminals (70, 80, 90) supported by the mobile support station (30, 40) and transmits data to the terminal (70, 80, 90) in case the data requested by the terminal (70, 80, 90) exists in the mobile cache. The mobile cache register (11) in a fixed host (10) moves the data cache from the mobile cache of the terminal (70, 80, 90) to another mobile cache and instructs the mobile cache manager (31, 41 ) to approve a data item access request of the terminal (70, 80, 90).