Patent Document ID: 20140283048
Application ID: 13826965
Patent Flag: 0

Claim One:
1. A method for data trend analysis, the method comprising: retrieving data from at least one data source; associating the data with a time; identifying co-occurrences of terms and concepts within the data; in response to determining that co-occurrences of term and concept pairs reach a predefined threshold, adding the term and concept pairs to an ontology; logging occurrences of terms in the ontology within the data with respect to associated data times; identifying a plurality of time periods; and for one of the plurality of time periods and for the logged terms: determining, by a processor, a first score indicative of a weighted term frequency metric for a logged term within the data during the one time period, and determining a second score indicative of a commonality of a presence of the logged term within the data among the plurality of time periods.