Query Enhancement for Patent Prior-Art-Search Based on Keyterm Dependency Relations and Semantic Tags. - Khanh-Ly Nguyen; Sung-Hyon Myaeng (IRFC, 2012)

Hot topic detection and technology trend tracking for patents utilizing term frequency and proportional document frequency and semantic information. - Khanh-Ly Nguyen; Byung-Joo Shin; Seong Joon Yoo (BigComp, 2016)