Login / Signup
Are invalid patents still cited?
Huei-Ru Dong
Dar-Zen Chen
Mu-Hsuan Huang
Published in:
ASIST (2019)
Keyphrases
</>
prior art
intellectual property
information retrieval
united states
patent documents
patent information
patent search
image retrieval
expert systems
relational databases
probabilistic model
knowledge discovery
scientific literature
patent and trademark office