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== Update Philosophy == | |||
We take an additive approach on linked information content. Once a claim/statement about a person has been set, the normal operation is to retain that information for all time unless it is explicitly refuted somehow. We use the point in time qualifier to indicate that something was assumed to be true on that date. So, if a person's staff profile indicates an assertion that they know about a topic based on linking expertise terms (encoded as schema.org/knowsAbout) or working through other content, we record the date we developed that assertion and assume it to be the case. If, at a later time, a person has changed their expertise terms, we keep anything that was there previously, update point in time qualifiers, add new linkages, but retain anything that disappeared. There is no concept of "no longer knows about." | |||
== Previous Address == | == Previous Address == |