An Automatic Identification of Negation in Design Documents

ICORD 09: Proceedings of the 2nd International Conference on Research into Design, Bangalore, India 07.-09.01.2009

Year: 2009
Editor: Chakrabarti, A.
Author: Kim,Sanghee; Wallace,Ken
Section: Design - Knowledge - and Product Lifecycle - Management
Page(s): 247-254


Designers use negation to describe: (1) design problems; (2) contradictory ndings; and (3) unlikely root causes. An example negation is no signs of engine failures due to fuel exhaustion. Designers should be able to search for negated information in the same way as searching for confirmed information. For example, the following query is useful for designers carrying out a root cause analysis Find engine failures that were not caused by fuel exhaustion. Current search engines provide only limited support for negation nding. Using a search symbol such as `

Keywords: Negation Expressions in Engineering, Problem Reports, Natural Language Processing


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