Prior Art Search Using International Patent Classification Codes and All-Claims-Queries.

Benjamin Herbert György Szarvas Iryna Gurevych

Published in: CLEF (1) (2009)

Keyphrases

prior art
patent documents
patent search
patent retrieval
clef ip
intellectual property
image classification
machine learning
pseudo relevance feedback
feature extraction
feature vectors
text classification
patent prior art search
user queries
training set
feature space
database systems
multimedia
search engine