Retrieving NASA problem reports: a case study in natural language information retrieval
Abbreviated Journal Title
Data Knowl. Eng.
information retrieval; natural language; finite state; partial parsing; Computer Science, Artificial Intelligence; Computer Science, Information; Systems
A system that retrieves problem reports from a NASA database is described.(1) The database is queried with natural language questions. Part-of-speech tags are first assigned to each word in the question using a rule-based tagger. A partial parse of the question is then produced with independent sets of deterministic finite state automata. Using partial parse information, a look up strategy searches the database for problem reports relevant to the question. A bigram. stemmer and irregular verb conjugates have been incorporated into the system to improve accuracy. The system is evaluated by a set of 55 questions posed by NASA engineers. A discussion of future research is also presented. (C) 2003 Elsevier B.V. All rights reserved.
Data & Knowledge Engineering
Article; Proceedings Paper
"Retrieving NASA problem reports: a case study in natural language information retrieval" (2004). Faculty Bibliography 2000s. 4849.