Subgraph Query in Graph Databases

Station topology analysis with graphic database integrative technology;

Application of development of graphic database based on Object ARX to Structure CAD;

Study on variabilized CAD system based on graphic database;

A research on graphics database management system based on AutoCAD;

Land use database of Shihezi was designed abiding by the correlative standard of our country, some work about data processing, building graphics database and building attribute database were done based on GIS software, and database system was completed through connecting the attribute data with space data by specific program.

The certainty retrieval approach can not control the range of a query with regard to objects and their behaviors of the content-based graphics database, and cannot do precise queries of object behavior of it too now.

Preliminary study is carried out for the basic problems during the CAD design for Mineral Dressing Plant through development of GFCAD system and detail methods is given about the classification and structure of equipment pel,the establishment of graphical database and the description of configuration drawing.

Based on the computer graphics,theory of data structure and database technique,the computer aided design for hydraulic turbine rotors is performed and the graphical database for hydraulic turbine rotors and its management system are developed,thereby the computer aided management for the graphical data is attaine