Title :
Determining the usefulness of manually assigned keywords for a vector space system
Author :
Taghva, Kazem ; Nartker, Thomas ; Borsack, Julie ; Condit, Allen
Author_Institution :
Inf. Sci. Res. Inst., Nevada Univ., Las Vegas, NV, USA
Abstract :
In this paper, we report on a series of experiments involving feedback and query expansion. We conclude that query expansion using manually-assigned keywords has no advantage over expansion using terms from the text of the document.
Keywords :
query formulation; relevance feedback; vectors; vocabulary; document text terms; feedback; keyword usefulness; manually assigned keywords; query expansion; vector space system; Appraisal; Feedback; Humans; Indexing; Information science; Manuals; Radioactive decay; Space technology; Statistics; System testing;
Conference_Titel :
Information Technology: Coding and Computing, 2002. Proceedings. International Conference on
Print_ISBN :
0-7695-1506-1
DOI :
10.1109/ITCC.2002.1000394
