If the set of key-value pairs is fixed and known ahead of time (so insertions and deletions are not allowed), you can reduce the average lookup cost by a careful choice of the hash function, bucket ...

Bloom filters are an essential class of probabilistic data structures designed for rapid set membership testing while minimising memory usage. By utilising multiple hash functions, these ...

A hash is a mathematical function that maps data of arbitrary size to a fixed-size value that is encrypted.

A young computer scientist and two colleagues show that searches within data structures called hash tables can be much faster than previously deemed possible.

This week's tips will have you peeking into data in arrays and hash tables in no time flat.

Each node is itself a standard hash table. All you need to do to store or retrieve a value from the hash table is find the appropriate node in the network, then do a normal hash table store or lookup ...