Virginia Tech. Digital Library Research LaboratoryVirginia Tech. Department of Computer ScienceFouh, EricPoirel, Christopher L.Fox, Edward A.2015-05-222015-05-222010-10-25http://hdl.handle.net/10919/52525This module covers the use of a thesaurus in several information retrieval (IR) techniques: index construction (e.g., tokenization, stemming, and lemmatization), robustness to query typographical errors (e.g., the use of wildcard queries) and query refinement and expansion.14 pagesapplication/pdfen-USIn CopyrightComputer scienceDigital librariesWordnetInformation retrievalLearning objecthttp://curric.dlib.vt.edu/modDev/package_modules/Team2-WordNet-module-instructor.pdf