| CPC G06F 40/284 (2020.01) [G06F 16/35 (2019.01)] | 18 Claims |
|
1. A method performed by a processor, said method comprising:
for a set of phone call transcripts generated over a time period, discretizing the time period into a plurality of time spans;
generating a subset of the plurality of time spans by filtering out time spans with less than a threshold number of phone call transcripts;
extracting n-grams from the phone call transcripts corresponding to the subset of the plurality of time spans;
contextually clustering the extracted n-grams, wherein the contextual clustering generates clusters of similar n-grams;
determining normalized occurrences of the generated clusters in the subset of the plurality of time spans; and
based on the normalized occurrences and historical occurrences, determining whether a cluster is trending.
|