System and method for matching a textual input to a lexical knowledge based and for utilizing results of that match
First Claim
1. A computer readable medium storing instructions which when executed by a computer, cause the computer to perform a method of determining a relationship between a first textual segment and textual information in a lexical knowledge base (LKB) having a plurality of interconnected logical graphs, each representative of a textual segment in a corpus, the method comprising:
- obtaining in an input logical form based on the first textual segment;
matching the input logical form against the logical graphs in the LKB, identifying logical graphs as matching logical graphs even if the matching logical graphs differ from the input logical form lexically or structurally; and
providing an output based on the matching logical graphs.
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Abstract
The present invention can be used in a natural language processing system to determine a relationship (such as similarity in meaning) between two textual segments. The relationship can be identified or determined based on logical graphs generated from the textual segments. A relationship between first and second logical graphs is determined. This is accomplished regardless of whether there is an exact match between the first and second logical graphs. In one embodiment, the first graph represents an input textual discourse unit. The second graph, in one embodiment, represents information in a lexical knowledge base (LKB). The input graph can be matched against the second graph, if they have similar meaning, even if the two differ lexically or structurally.
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Citations
53 Claims
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1. A computer readable medium storing instructions which when executed by a computer, cause the computer to perform a method of determining a relationship between a first textual segment and textual information in a lexical knowledge base (LKB) having a plurality of interconnected logical graphs, each representative of a textual segment in a corpus, the method comprising:
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obtaining in an input logical form based on the first textual segment; matching the input logical form against the logical graphs in the LKB, identifying logical graphs as matching logical graphs even if the matching logical graphs differ from the input logical form lexically or structurally; and providing an output based on the matching logical graphs. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53)
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Specification