The complete dataset is composed of a set of smaller datasets. Each download is in one of two formats: (1) WARC or (2) tar.gz. You can read about the WARC format by following this link to the mailing list. The tar.gz format is a tarred and gzipped file containing triples given in the N-Triples syntax.
Data exposed: extracted from Temis software applied to 7% of Medline records
Size of dump and data set: 24 MB
Notes: released without contract
Data is comprised of other datasets - most of which are open.