GOV2 Test Collection

GOV2 is a TREC test collection for use in the Terabyte Track.

Document/corpus info

25,205,179

documents (see below for mime types)

17.7 kb

average document size

426

total gigs

0.42

total tb

Gzipped bundle info

80.7

total gigs of gz bundles

27,204

bundles

3.04

megs per bundle (16 megs uncompressed)

0.19

compression (gzipsize/fullsize)

True mime types

  23,111,957

text/html (91.7%)

2,030,339

application/pdf (8.1%)

60,176

text/plain (0.2%)

2,253

application/msword (0.009%)

454

application/postscript (0.002%)

25,205,179

Total documents

Server-reported mime types

23,173,646

text/html

2,031,571

application/pdf

2,134

application/msword

882

image/gif

558

application/postscript

417

image/jpeg

5

text/html

2

application/x-javascript

2

text/css

1

x-application/pdf

25,209,218

Total (slightly wrong!)

Updated: 2004-05-26

Nick Craswell ( email address as image)