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Packalen and Bhattacharya indexed every one-word, two-word, and three-word
phrase that appeared in more than 4 million patent texts in the last 175
years. To focus their search on truly new concepts, they recorded the year
those phrases first appeared in a patent. Finally, they ranked each
concept's popularity based on how many times it reappeared in later
patents. Essentially, they trawled the billion-word literature of patents
to document the birth-year and the lifespan of American concepts, from
"plastic" to "world wide web" and "instant messaging."
http://theatln.tc/1DgCAdL
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Interesting study. I think a similar study into Recmgmt-l posts would be
interesting - show the topics we talked about most at the different points
in time. Maybe a paper for one our MLIS students? Of course, there will
need to be some empirical analysis, as in, "why the spike in "chili
recipe" in 2002?"
Gary Link
Pittsburgh, PA
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