Already, the 1994 crime bill requires states to have such systems by next year to track offenders within their own borders.

Application programmers write programs to handle a specific job, such as a program to track inventory within an organization.

The system provides a central database to track movement of animals within the EU and from third countries.

The original purpose of this number was to track individuals' accounts within the Social Security program.

Moving quietly, she followed while tracking the presence of her creatures within and without the building.

One such dye, Fura-2, is widely used to track the movement of calcium within cells.

Yet when researchers track the data within individual countries over time, they find a negative correlation.

It's a good method for tracking the black market within the jail.

However, the movement of the labeled insulin produced during the pulse period could still be tracked within the cell.

Through an online community, activeoutdoor.com, people could track and share local routes within the community.