1. IMPROVING RELEVANCE RANKING FOR UNDERSPECIFIED QUERIES Open Access Author: Zhuang, Ziming Title: IMPROVING RELEVANCE RANKING FOR UNDERSPECIFIED QUERIES Graduate Program: Information Sciences and Technology Keywords: search queryrelevance rankinginformation retrievalsearch enginedata mining File: Download ZZhuang-MS-Dissertation.pdf Committee Members: C Lee Giles, Thesis Advisor/Co-AdvisorLee Giles And Prasenjit Mitra, Thesis Advisor/Co-AdvisorPrasenjit Mitra, Thesis Advisor/Co-Advisor