David Eichmann Padmini Srinivasan Marc Light Hudong Wang Xin Ying Qiu Robert J. Arens Aditya Kumar Sehgal Experiments in Novelty, Genes and Questions at the University of Iowa. 678-685 2003 TREC http://trec.nist.gov/pubs/trec12/papers/uiowa.novelty.genomics.qa.pdf db/conf/trec/trec2003.html#EichmannSLWQAS03