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Pairwise co-occurence of terms within a 7 word window in the US utility patents on a per-year basis. The date associated with each patent is the year of the priority date of the patent.

The three modes of the tensor correspond to year-term-term, and the values are , where is the frequency in which the words and appeared in the window. Each slice of the tensor is symmetric.

Tensor Statistics

Non-zeros 3,596,640,708
Order 3
Dimensions 46 x 239,172 x 239,172
Tags text

Downloadable Files

File Description
patents.tns.gz Tensor Years Terms Terms