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OYSTER / Alignment_and_Scenarios

The circles labeled (1) in Figure 25 illustrate 100% alignment. Each pair of references that match by the rules also generates the same match key. The circles labeled (2) represent a typical misalignment where some, but not all pairs of references that match by the rules generate the same match key. The circles labeled with (3) represent total misalignment where none of the matching pairs of references generate the same match key and none of the pairs generating the same key will match. The scenario illustrated by the circles labeled (4) is one where every pair of references that produce the same match key will match by one of the rules (100% precision), but some pairs that match by the rules do not generate the same match key.

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