Research On Data Mining Task Scheduling Based On Service Grid

The enhanced demand of compute ability and rapid development of Internet technology promote Grid appearance. Grid will instead of Internet and become the next generation Network. Service Grid provides Grid service to users. It provides vast data for Data Mining in Grid envionment, and its powerful ability of compute and storage enhances the processing speed of Data Mining. It divides a task into many samll tasks and then deals with them.These small tasks accomplish the task work together.The core of processing Data Mining task by Service Grid is Data Mining task scheduling. We design a Data Mining task scheduling engine.The engine mostly includes task decomposing module, Grid Service discovery module and Grid Service evaluation module.We analyze problems in Data Mining task decomposing, then introduce Ontology, put forward Data Mining task decomposing policy based on Ontology, and describe Data Mining task by Ontology. Existing Grid Service discovery methods are inefficient and complicated. We put forward Ontology synonym list, and use it to achieve Grid Service discovery rapidly and efficient. For evaluate Grid Service quility inpersonality, we design a evaluation index system about Grid Service quality. It help us to evaluate Grid Service quality reasonably, control and eliminate tinpot Grid Service, and enhance the quality of Grid Service warehouse.The engine was used in design and implement of DSS oriented Science and Technology Service System and gain some achievements.