BGPT: Create Tables: HGA tag classes (Pt/Cu/Fe/Si/) definitions and expected mapping behavior

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HGA tag classes (Pt/Cu/Fe/Si/) — definitions & expected mapping behavior

Blocking issue (scientific rigor): You did not provide the HGA tag specification (e.g., a schema/legend/ontology) that defines what “HGA tags” mean in your context, nor where the mapping rules (Pt/Cu/Fe/Si/) are formally specified.

Because I cannot verify the semantics of “HGA tag classes” or their “expected mapping behavior” from your message, I cannot accurately define them without introducing ungrounded assumptions (which would violate your evidence-based, skeptical requirements).

1) Evidence-required inputs I need from you

Where HGA tags are defined (link, paper, internal doc, or snippet): the authoritative legend/schema.
What the system is mapping (e.g., molecule→tag, text span→tag, structure→tag, label→taxonomy).
The meaning of Pt / Cu / Fe / Si in your HGA scheme (are these chemistry elements, category codes, or something else?).
The mapping behavior specification (one-to-one vs many-to-many, confidence thresholds, tie-breaking, precedence rules, normalization/aliases).
Example inputs/outputs from your dataset (real rows—no synthetic placeholders) so I can infer the exact behavior from the stated spec.

2) Tables (constructed without assumptions, pending your HGA spec)

The tables below are intentionally non-definitional until you provide the HGA schema/legend. Cells are marked “Not provided in prompt” rather than guessed.

HGA tag classes: Pt / Cu / Fe / Si

HGA tag class	Proposed label semantics	What it maps to (target)	Expected mapping rule	Confidence / determinism	Source of truth
Pt/	Not provided in prompt	Not provided in prompt	Not provided in prompt	Not provided in prompt	HGA spec/legend needed
Cu/	Not provided in prompt	Not provided in prompt	Not provided in prompt	Not provided in prompt	HGA spec/legend needed
Fe/	Not provided in prompt	Not provided in prompt	Not provided in prompt	Not provided in prompt	HGA spec/legend needed
Si/	Not provided in prompt	Not provided in prompt	Not provided in prompt	Not provided in prompt	HGA spec/legend needed

Expected mapping behavior matrix (schema-dependent)

From (tag class)	To (target entity/class)	Cardinality (1→1, 1→many, many→many)	Normalization/aliases	Precedence if multiple tags apply	Failure mode (unknown/invalid)
Pt/	Not provided in prompt	Not provided in prompt	Not provided in prompt	Not provided in prompt	Not provided in prompt
Cu/	Not provided in prompt	Not provided in prompt	Not provided in prompt	Not provided in prompt	Not provided in prompt
Fe/	Not provided in prompt	Not provided in prompt	Not provided in prompt	Not provided in prompt	Not provided in prompt
Si/	Not provided in prompt	Not provided in prompt	Not provided in prompt	Not provided in prompt	Not provided in prompt

3) What would disprove the current (unknown) mapping?

If your HGA spec explicitly defines Pt/Cu/Fe/Si as elements mapping to a specific chemistry attribute, then my “Not provided” cells should be replaced with those exact definitions and target classes.
If your mapping behavior specifies multi-tag coalescing or precedence (e.g., Fe overrides Pt), that must be encoded explicitly once the spec is provided.
If there are unit tests / gold-standard labels showing disagreement patterns, those will constrain the expected behavior (e.g., systematic unknown rate, ambiguity handling).

Next step: Paste the HGA legend/schema (or upload it) and I will replace the “Not provided in prompt” fields with a fully specified, evidence-grounded definition & mapping-behavior table.