What does 'next to' mean?

Entities in the same semantic neighborhood but without a typed relation to this one — candidates for new edges or unrecognized duplicates.

• What is that 'something' that underlies the relatedness?question0.740
  The search for the name and nature of the presence.
• Proximityconcept0.738
  Powerful structural force in diagrams; controls associations and semantic relations between elements.
• The instance's meaning follows the meaning's instance.claim0.724
  Elliott's core principle: type class instance definitions should mirror the semantic meaning to avoid abstraction leaks.
• direct reference to the pastconcept0.720
  The ability in Elephant to refer to past events and states without explicit data structures.
• Adjacent Possibleconcept0.719
  Kauffman's concept used to argue the Platonic space is smoothly structured and exploitable by evolution.
• What Does It Mean For The Self Toquestion0.716
• The first words placed define the space; every subsequent element is in relation to this initiating actclaim0.715
• Relatednessconcept0.706
  The direct, felt connection between a person and living structure in the world, which Alexander claims is the most fundamental relation.