There is a Technical Note available from the Software Engineering Institute describing what was done in NDBS 1.0 to learn about the format and methods for accessing the Netscape Browser database files.
This Technical Note is available for download at:
NDBS Research Edition 1.0 is available for download at: http://www.sei.cmu.edu/downloads/form-dl-ndbs-10.cfm.
The Technical Note describing NDBS 2.0, design for extensibility, and conversion
from C to Java is available for download at: