Lookup Associative Array

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A Lookup Associative Array is an Associative Array that can solve a set membership membership task.

Context:
- It can support a Deterministic Set Membership Test.
- …
Counter-Example(s):
- a Cache.
- a Hash Function.
See: Bloom Filter, Reverse Lookup Hash.

References

2011

http://pic.dhe.ibm.com/infocenter/optsol/v1/index.jsp?topic=%2Fcom.ibm.nex.optimd.common.doc%2F05colmap%2Fopcommon-r-hash_lookup_function.html
- The Hash Lookup Function obtains the value for a destination column from a lookup table, according to a hashed value derived from a source column. The Hash Lookup Function allows you to consistently mask data when you use the same source and lookup tables in any environment.

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Concept