Interpretation of proper nouns for information retrieval
Woojin Paik, Elizabeth D. Liddy, Edmund Szu-Li Yu, Mary Clare McKenna · 1993
Most of the unknown words in texts which degrade the performance of natural language processing systems are proper nouns. On the other hand, proper nouns are recognized as a crucial source of information for identifying a topic in a text, extracting contents from a text, or detecting relevant documents in information retrieval (Rau, 1991).