Brian Almquist Viet Ha-Thuc Aditya Kumar Sehgal Robert J. Arens Padmini Srinivasan Exploring the Legal Discovery and Enterprise Tracks at the University of Iowa. 2007 TREC http://trec.nist.gov/pubs/trec16/papers/uiowa.legal.ent.final.pdf conf/trec/2007 db/conf/trec/trec2007.html#AlmquistHSAS07