Disclosed are system, method and computer program product for creating syntactic-semantic structures of natural language sentences in natural language processing of a natural language text, comprising generating syntactic trees for each sentence including syntactic nodes and tree-like syntactic relations; generating semantic structure corresponding to the at least one syntactic tree; the at least one semantic structure includes semantic nodes corresponding to the plurality of syntactic nodes and tree-like semantic relations corresponding to the p tree-like syntactic relations; if a syntactic tree includes two different syntactic nodes corresponding to a single entity, connecting the semantic nodes corresponding to the syntactic nodes by a non-tree link.
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