Patent ID: 11880652
Assignee: ORACLE INTERNATIONAL CORPORATION
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 12:
13. The non-transitory computer-readable storage medium of claim 8, wherein forming the communicative discourse tree comprises:
constructing, from the respective fragment, a discourse tree that comprises a plurality of nodes, each nonterminal node representing a rhetorical relationship within the respective fragment; and
forming, from the discourse tree, the communicative discourse tree, wherein forming the communicative discourse tree comprises matching each fragment to a verb signature by:
accessing a plurality of verb signatures, wherein each verb signature comprises a verb of a corresponding fragment and a sequence of thematic roles, wherein each thematic role describes a corresponding relationship between the verb and related words;
determining, for each verb signature of the plurality of verb signatures, a plurality of thematic roles of a respective verb signature, wherein each of the thematic roles matches a role of a respective word in the corresponding fragment;
selecting a particular verb signature from the plurality of verb signatures based on the particular verb signature comprising a highest number of matches of roles of words to the verb; and
associating the particular verb signature with the fragment.