26. The method of claim 14 , further comprises: receiving, by the computer, a global community sentiment score for the contemporaneous publication, the global community sentiment score being indicative of the sentiment of a global community of humans toward the particular topic with respect to the contemporaneous publication; receiving, by the computer, a second global community sentiment score for the second contemporaneous publication, the second global community sentiment score being indicative of the sentiment of the global community of humans toward the particular topic with respect to the second contemporaneous publication; receiving, by the computer, a trusted group sentiment score for the contemporaneous publication, the trusted group sentiment score being indicative of the sentiment of a trusted group of humans toward the particular topic with respect to the contemporaneous publication; receiving, by the computer, a second trusted group sentiment score for the second contemporaneous publication, the second trusted group sentiment score being indicative of the sentiment of the trusted group of humans toward the particular topic with respect to the second contemporaneous publication; finding, by the computer, a cumulative sentiment score for the contemporaneous publication relative to the sentiment score, the trusted group sentiment score and the global community sentiment score; and finding, by the computer, a second cumulative sentiment score for the second contemporaneous publication relative to the second sentiment score, the second trusted group sentiment score, and the second global community sentiment score; receiving, by the computer, a sentiment time decay factor for publications, wherein the sentiment time decay factor reflects a limited timeframe of influence of the publications on the extrinsic metric relative to the publication dates for the publications; finding, by the computer, an age sentiment score for the contemporaneous publication by applying the sentiment time decay factor to the cumulative sentiment score for age relative to the contemporaneous publication date; finding, by the computer, a second age sentiment score for the second contemporaneous publication by applying the sentiment time decay factor to the second cumulative sentiment score for age relative to the second contemporaneous publication date; and sentiment ranking, by the computer, the contemporaneous publication and the second contemporaneous publication based on their respective age sentiment score and second age sentiment score.
26. The method of claim 14 , further comprises: receiving, by the computer, a global community sentiment score for the contemporaneous publication, the global community sentiment score being indicative of the sentiment of a global community of humans toward the particular topic with respect to the contemporaneous publication; receiving, by the computer, a second global community sentiment score for the second contemporaneous publication, the second global community sentiment score being indicative of the sentiment of the global community of humans toward the particular topic with respect to the second contemporaneous publication; receiving, by the computer, a trusted group sentiment score for the contemporaneous publication, the trusted group sentiment score being indicative of the sentiment of a trusted group of humans toward the particular topic with respect to the contemporaneous publication; receiving, by the computer, a second trusted group sentiment score for the second contemporaneous publication, the second trusted group sentiment score being indicative of the sentiment of the trusted group of humans toward the particular topic with respect to the second contemporaneous publication; finding, by the computer, a cumulative sentiment score for the contemporaneous publication relative to the sentiment score, the trusted group sentiment score and the global community sentiment score; and finding, by the computer, a second cumulative sentiment score for the second contemporaneous publication relative to the second sentiment score, the second trusted group sentiment score, and the second global community sentiment score; receiving, by the computer, a sentiment time decay factor for publications, wherein the sentiment time decay factor reflects a limited timeframe of influence of the publications on the extrinsic metric relative to the publication dates for the publications; finding, by the computer, an age sentiment score for the contemporaneous publication by applying the sentiment time decay factor to the cumulative sentiment score for age relative to the contemporaneous publication date; finding, by the computer, a second age sentiment score for the second contemporaneous publication by applying the sentiment time decay factor to the second cumulative sentiment score for age relative to the second contemporaneous publication date; and sentiment ranking, by the computer, the contemporaneous publication and the second contemporaneous publication based on their respective age sentiment score and second age sentiment score. 28. The method of claim 26 , wherein defining the region of sentimental significance in the document sentiment vector space further comprises: creating a binding term vector from term vector in the term-by-concepts matrix representing the unique sentiment binding term.