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Title

Mapping the importance of the real world: The validity of connectivity analysis of patent citations networks

AuthorsBarberá Tomás, David ; Jiménez Sáez, Fernando ; Castelló, Itziar
KeywordsPatent citations
Technological evolution
Connectivity analysis
Validity
Medical innovation
Issue DateApr-2011
PublisherElsevier
CitationResearch Policy 40(3): 473-786 (2011)
AbstractRecent empirical findings have questioned the use of patent citations as a measure. This points to the need of validation of patent citations methodologies, which we address by testing a recent methodology for studying technological evolution, namely connectivity analysis of citation networks. We find connectivity analysis to be a valid tool to identify the reliable knowledge which opens the way to further technological evolution of a surgical prosthesis, the artificial spinal disc. We also illustrate how connectivity analysis represents how this reliable knowledge differs depending on the stage of technological evolution. The corroborated validity of connectivity analysis of patent citations may trigger a renaissance in the use of this kind of patent data.
Description56 pages, 11 figures, 2 tables
Publisher version (URL)http://dx.doi.org/10.1016/j.respol.2010.11.002
URIhttp://hdl.handle.net/10261/35391
DOI10.1016/j.respol.2010.11.002
ISSN0048-7333
Appears in Collections:(INGENIO) Artículos
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