Patents by Inventor Deepak S. Padmanaban

Deepak S. Padmanaban has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method for segmenting communication transcripts using unsupervised and semi-supervised techniques
    Patent number: 7912714
    Abstract: A method is provided for forming discrete segment clusters of one or more sequential sentences from a corpus of communication transcripts of transactional communications that comprises dividing the communication transcripts of the corpus into a first set of sentences spoken by a caller and a second set of sentences spoken by a responder; generating a set of sentence clusters by grouping the first and second sets of sentences according to a measure of lexical similarity using an unsupervised partitional clustering method; generating a collection of sequences of sentence types by assigning a distinct sentence type to each sentence cluster and representing each sentence of each communication transcript of the corpus with the sentence type assigned to the sentence cluster into which the sentence is grouped; and generating a specified number of discrete segment clusters by successively merging sentence clusters according to a proximity-based measure between the sentence types assigned to the sentence clusters with
    Type: Grant
    Filed: April 1, 2008
    Date of Patent: March 22, 2011
    Assignee: Nuance Communications, Inc.
    Inventors: Krishna Kummamuru, Deepak S. Padmanaban, Shourya Roy, L. Venkata Subramaniam