A multi-phase separation system utilized to remove contaminants from fluids includes a pre-filtering module for filtering a contaminated fluid to provide a filtered contaminated fluid.

This is equal to filtering the sampled signal by a decimating filter.

Anisotropic filtering has to do with enhancing textures.

and egress filtering (sanity-checking outgoing source addresses) are

This is an example of the collaborative filtering approach.

Covenant Eyes Filtering can create such boundaries.

Select Turn MAC Filtering OFF, Turn MAC Filtering ON and ALLOW computers

They filter websites, blocking content deemed “inappropriate.

Upselling (i.e. “you might also be interested in…”)

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Packet Inspection, also known as dynamic packet filtering)

This is called ‘item-to-item collaborative filtering’.

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