Top intelligence officials announced on Tuesday the creation of a new agency, the Open Source Center, to gather and analyze information from the Web, broadcasts, newspapers and other unclassified sources around the world.

He said some of the evidence so declared in Mr. Ahmed's case could have been obtained from unclassified sources, thereby by giving Mr. Ahmed and his lawyers the right to know and rebut it.

Mr. Shen was head of China Resources, which, the report says, citing unclassified sources, is linked to the "P.R.C.'s intelligence apparatus."

The first thing to stress is that the information given in the orders of battle has been collated entirely from unclassified published sources.

Drawing from unclassified sources, The Risk Report contains up-to-date information on sensitive products and technologies, export regulations, and organizations and individuals linked to WMD proliferation.

He carefully compiled data from unclassified sources and had a unique talent for presenting a great deal of information in compact, tabular format.

Officials from the General Accounting Office said there was a risk that foreign experts would infer classified information from unclassified sources.

For an analyst to successfully populate a model for a complex target, he or she must find information from a wide range of both classified and unclassified sources.

The offending article, on the making of the hydrogen bomb, included material culled only from unclassified sources.

With the Internet, instant communications, and advanced media search the bulk of actionable and predictive intelligence can be obtained from public, unclassified sources.