Cargando…
Can technology life-cycles be indicated by diversity in patent classifications? The crucial role of variety
In a previous study of patent classifications in nine material technologies for photovoltaic cells, Leydesdorff et al. (Scientometrics 102(1):629–651, 2015) reported cyclical patterns in the longitudinal development of Rao–Stirling diversity. We suggested that these cyclical patterns can be used to...
Autor principal: | |
---|---|
Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Springer Netherlands
2015
|
Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4643114/ https://www.ncbi.nlm.nih.gov/pubmed/26594072 http://dx.doi.org/10.1007/s11192-015-1639-x |