Patent ID: 9251216
Filing Date: 2016-02-02
CPC Classification: G06F

Claim Text:
1. A method comprising: obtaining, at a computer executing a summarization engine, sparse data comprising a plurality of entries, wherein a majority of the plurality of entries comprise zero-valued entries, and wherein a minority of the plurality of entries comprise non-zero valued entries; modifying, by the computer, one of the non-zero valued entries to obtain a resulting value; determining, by the computer, that the resulting value satisfies a threshold; in response to determining that the resulting value satisfies the threshold, adding, by the computer, the resulting value to a data summary; sampling, by the computer, one of the zero-valued entries; adding, by the computer, the one of the zero-valued entries to the data summary; and publishing, by the computer, the data summary, wherein the data summary comprises an anonymized summary of the sparse data.