The data grid offers an integrated solution for storage,management,transmission,analysis of large-scale spatial data and a new method for real-time scene rending and storage of large-scale scene data in VRGIS.

Designed for the application of Data-intensive computing, Data Grid focuses on data integration, data access with high performance.

The strategy of creating replica based on cost shared in data grid;

SPN modeling and performance evaluation of storage I/O in data grid;

Semanteme-based processing mechanism under data grid environment;

Research on Replica Management Strategies in Data Grids;

Excellent replica management strategies are import-ant to improve the Qos in data grids.

An improved gradient-preseved grid data filtering approach;

And in the 3D terrain simulation the real values in the grid data are even required that is getting a point’s real values in the grid data by mouse selection.

Applying ACIS and HOOPS platform,it discusses technology of the working mode about ACIS and HOOPS,the creating of grid data,the surface modeling,then rendering of 3D graphics and the surface fairing——a case study of creating and analysis system for automobile blank holding groove.

Bidirectional Sort and Choosing a Row to Update or Delete by Click Any Cell in DataGrid;

Analysis on EU datagrid data management service;

Mapping transform of query plan model in grid database based on Petri net;

Design of low-cost query middleware in grid database;

Research on Grid Database Materialized Query Caching Policy;