There are numerous instances where two stations have identical data for up to a decade and yet the use it. (judithcurry.com)
It strikes me as somewhat artificial to try to use identical data sets for a benchmark study like this. (lawsitesblog.com)
If we were conducting a pure technological bake - off of the search capabilities of the tools, I think that identical data sets would be the right choice. (lawsitesblog.com)