Corpus: gzipped file, formatted like this:
<DOC>
<DOCNO>XXX-1</DOCNO>
<DOCHDR>
Date: Tue, 09 Dec 2003 22:39:08 GMT
</DOCHDR>
blah blah blah
yackedy smackedy
</DOC>
<DOC>
...


  Note: The date is "EEE, dd MMM yyyy kk:mm:ss z" in SimpleDateFormat
  (or completely blank)



Queries: text file, formatted like this:
<top>
<num> Number: nnn
<title>yackedy smackedy
<desc> Description:
foo bar foo bar
blah blah blah
<narr> Narrative:
blah blah blah
yackedy smackedy

</top>
<top>
...



Judgements: text file, tab-separated, formatted like this:
Query#	Iteration#	DOC#	Judgement

Query# corresponds to the Number: nnn in queries.txt
Iteration# is not useful.
Doc# corresponds to the DOCNO from the corpus.
Judgement is some numeric value (such as 0 or 1) indicating relevance.