Extension and application about dual of one directional S-rough sets and data sieve-filtration;

One direction S-rough sets and data sieve-filtration;

The method of choosing data by free net adjustment makes adjustment accuracy improved greatly,so it is an addition to the method of data screening by traditional classical adjustment.

The traffic sensor data screening of intelligent transportation system(ITS) was discussed and the data flow exchange between data screening unit and other system of Traffic Information Center(TIC) was described.

Applying Data Filtration Techniqueto Data Gatherina System;