paris **assigns one class of one ontology to multiple classes in the taxonomy**
of the other ontology, taking into account the class inclusions. Some classes are assigned to multiple leaf-classes as well. For our evaluation, we excluded 19 highlevel classes (such as yagoGeoEntity, *physicalThing***, etc.). Then, we randomly**
sampled from the remaining assignments and evaluated the precision manually. It turns out that the precision increases substantially with the probability score
(see Figure 1). We report the numbers for a threshold of 0.**4 in Table 3 (the number of evaluated sample assignments is 200 in both cases). The errors come from**
3 sources: First, paris **misclassifies a number of the instances, which worsens**
the precision of the class assignment. Second, there are small inconsistencies in the ontologies themselves (YAGO, e.g., has several people classified as *lumber*,
because they work in the wood industry). Last, there may be biases in the instances that the ontologies talk about. For example, paris **estimates that 12 %**
of the people convicted of murder in Utah were soccer players. As the score increases, these assignments get sorted out. Evaluating whether a class is always assigned to its most specific counterpart would require exhaustive annotation of candidate inclusions. Therefore we only report the number of aligned classes and observe that even with high probability scores (see Figure 2 and Table 3)
we find matches for a significant proportion of the classes of each ontology into the other. The relations are also evaluated manually in both **directions. We**

![0_image_0.png](0_image_0.png)

YAGO ⊆ DBpedia

| y:actedIn       | ⊆   | dbp:starring−1   | 0.95   |
|-----------------|-----|------------------|--------|
| y:graduatedFrom | ⊆   | dbp:almaMater    | 0.93   |
| y:hasChild      | ⊆   | dbp:parent−1     | 0.53   |
| y:hasChild      | ⊆   | dbp:child        | 0.30   |
| y:isMarriedTo   | ⊆   | dbp:spouse−1     | 0.56   |
| y:isMarriedTo   | ⊆   | dbp:spouse       | 0.89   |
| y:isCitizenOf   | ⊆   | dbp:birthPlace   | 0.25   |
| y:isCitizenOf   | ⊆   | dbp:nationality  | 0.88   |
| y:created       | ⊆   | dbp:artist−1     | 0.13   |
| y:created       | ⊆   | dbp:author−1     | 0.17   |
| y:created       | ⊆   | dbp:writer−1     | 0.30   |

DBpedia ⊆ YAGO

dbp:birthName ⊆ **rdfs:label 0.96** dbp:placeOfBurial ⊆ **y:diedIn 0.18** dbp:headquarter ⊆ **y:isLocatedIn 0.34**
dbp:largestSettlement ⊆ y:isLocatedIn−1 **0.52**

![0_image_1.png](0_image_1.png)

