Experiments with Query Expansion at TREC 2006 Legal Track. - Feng C. Zhao; Yugyung Lee; Deep Medhi (TREC, 2006)

Evaluation of Query Formulations in the Negotiated Query Refinement Process of Legal e-Discovery: UMKC at TREC 2007 Legal Track. - Feng C. Zhao; Yugyung Lee; Deep Medhi (TREC, 2007)