This means that there are 4 variants of the recency ordering conflict resolution strategy.
| Variant 1: | order the rules by recency of use and choose the most recently used (eligible) rule. |
| Variant 2: | order the rules by recency of use and choose the least recently used (eligible) rule. |
The second pair of variants require that one keep track of the rules that have been used and form a list of the data that are mentioned in those rules in recency order.
| Variant 3: | order the currently eligible rules according to the recency with which the datum or data to which they refer have been used, and choose the most recent such rule. |
| Variant 4: | order the currently eligible rules according to the recency with which the datum or data to which they refer have been used, and choose the least recent such rule. |
UNSW's CRICOS Provider No. is 00098G
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