Tracing technological change over long periods in Germany in chemicals using patent statistics.
Icíar Dominguez LacasaHariolf GruppUlrich SchmochPublished in: Scientometrics (2003)
Keyphrases
- technological change
- rapidly changing
- information technology
- information retrieval
- intellectual property
- computer science
- maintenance cost
- data sets
- statistical modeling
- case study
- real time
- statistical information
- fine grained
- information systems
- prior art
- patent retrieval
- federal government
- patent search
- patent searching made easy