US 11,893,051 B2
Structure-based multi-intent email classification
Anshuma Chandak, San Jose, CA (US); Abhishek Mukherji, Fremont, CA (US); and Emmanuel Munguia Tapia, San Jose, CA (US)
Assigned to ACCENTURE GLOBAL SOLUTIONS LIMITED, Dublin (IE)
Filed by ACCENTURE GLOBAL SOLUTIONS LIMITED, Dublin (IE)
Filed on Dec. 22, 2021, as Appl. No. 17/559,878.
Prior Publication US 2023/0195772 A1, Jun. 22, 2023
Int. Cl. G06F 16/00 (2019.01); G06F 16/35 (2019.01); G06N 20/00 (2019.01)
CPC G06F 16/353 (2019.01) [G06N 20/00 (2019.01)] 17 Claims
OG exemplary drawing
 
1. A structure-based multi-intent email classification apparatus comprising:
an email thread analyzer, executed by at least one hardware processor, to
receive an email thread that includes a plurality of emails including an email that is to be classified, and
identify, for the email thread, a process associated with the email thread, wherein the process defines a logical path of contents of the email thread;
a sentence classifier, executed by the at least one hardware processor, to
select one or more classifiers of a plurality of classifiers based on transition probabilities of occurrences of the process that are affected by the reception of the email to be classified;
determine, based on the process associated with the email thread and for each sentence of the email that includes a plurality of sentences, a corresponding classifier from the one or more classifiers that include at least two of a question, a statement, a command, or a request, and
apply, to each sentence of the email, the corresponding classifier to classify each sentence of the email to generate classified sentences;
an information extractor, executed by the at least one hardware processor, to
extract, from each of the classified sentences of the email, at least one entity; and
an email classifier, executed by the at least one hardware processor, to
classify, based on the at least one extracted entity, the email.