Invalidity Search for USPTO Patent Documents Using Different Patent Surrogates.

Yuen-Hsien Tseng Chen-Yang Tsai Da-Wei Juang

Published in: NTCIR (2007)

Keyphrases

patent documents
prior art
patent search
patent retrieval
intellectual property
patent information
clef ip
information retrieval
structured documents
databases
machine learning
database systems
general purpose
domain specific
text classification
domain independent