field,level,requirement,bitemporal_graph,vector_memory,catalogue,documents,relational,dimension
record_id,1,MUST,edge uuid,memory id,term or asset identifier,"a short tag written in the line, for example [D-102]",primary key,id
valid_from,1,MUST,valid_at,"add: metadata field, distinct from the created-at timestamp","add: usually only the asset has versions, the statement does not",stated in the sentence,date column,valid_from
valid_to,1,MUST,invalid_at,add: metadata field,add: same,stated in the sentence,nullable date column,valid_to
source,2,MUST,the episodic node the edge was extracted from,metadata field,lineage link to the source asset,named in the sentence,foreign key to a source table,source
concept_owner,2,MUST,add: OWNED_BY edge from the entity to a party node,add: metadata field,"owner field, native",a page listing who owns what,foreign key to a party table,concept_owner
owner_role,2,SHOULD,add: role attribute on that OWNED_BY edge,add: metadata field,"steward or accountable role, native",the role named on that page,column on the party table,owner_role
conflict_policy,2,MUST,"add: one graph-level property, or a single policy node","add: one pinned memory, or application configuration",add: a policy document linked from the glossary,a page stating how disagreements are settled,"one row in a policy table, referenced by the store",conflict_policy
applies_to,2,MUST on any record that states a rule,"add: attribute on the rule edge, or SCOPES edges to entity classes",add: metadata list on the memory holding the rule,"policy scope, native in most catalogues",the sentence says which questions the rule governs,join table of rule to question class,applies_to
does_not_apply_to,2,MUST on any record that states a rule,add: EXCLUDES edges from the rule edge,"add: metadata list, kept separate from applies_to",add: catalogues usually state inclusion only,a second sentence saying what it does not govern,the same join table with an excluded flag,does_not_apply_to
release_to,3,MUST where any record is restricted,"add: VISIBLE_TO edges, or a list attribute on the fact edge","add: metadata list, applied as a retrieval filter","classification and purpose policies, native",stated in the line that holds the restricted statement,join table of record to party,release_to
supersedes,3,SHOULD,add: SUPERSEDES edge between fact edges,add: metadata field holding the prior memory id,"term version history, native","the tag of the superseded line, named in the new line",self-referencing foreign key,supersedes
expected_concepts,0,EXPERIMENTAL,add: entity nodes marked as expected but unpopulated,"add: a separate register, not a memory",add: a list of required terms,a checklist page,a table of required concepts,not yet in the specification