Made as simple as possible, but not simpler.
Indexing Translators and Traces
Is a metadata record “almost” expressed in the same language you used for your filter criteria?
Indexing Validators
Why would one consider indexing validators? Reuse. The value of reuse seems obvious for structural and semantic specification, i.
Indexing Identifiers
Indexing identifiers is key to disambiguating entities. Wikipedia has disambiguation pages.
Validating Traces — Syntactically, Semantically, and Situationally
How do you validate a reified trace of digital-object provenance?