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. 2016 Sep 23;7:1429. doi: 10.3389/fpsyg.2016.01429

FIGURE 2.

FIGURE 2

Example of a rhetorical graph from RST Discourse Treebank with examples of RhD computation. The referent ‘the write-off’ is mentioned in units #2 and #6. Linear distance from #6 back to #2 equals 4. Rhetorical distance (RhD) from #6 to #2 is just 1, as these two nodes are immediately connected to each other in the RST graph, and one only needs one horizontal step along the graph to reach #2. The anaphor the company found in unit #6 has its closest linear antecedent in unit #5. However, its closest rhetorical antecedent is again found in #2, directly connected to the anaphor unit #6. Arrows indicate paths along the RST graph one needs to travel to reach an antecedent.