Citeseer was originally supposed to serve a similar purpose by automatically extracting the excerpts where the paper was cited, so that the human could judge whether they were positive or negative. But it seems to have been abandoned after the advent of google scholar, or maybe before.
Citeseer was originally supposed to serve a similar purpose by automatically extracting the excerpts where the paper was cited, so that the human could judge whether they were positive or negative. But it seems to have been abandoned after the advent of google scholar, or maybe before.