Triple
T9064611
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Frederick Douglass Memorial Bridge (southern landing) |
E217212
|
entity |
| Predicate | namedAfter |
P63
|
FINISHED |
| Object | Frederick Douglass |
E88089
|
NE FINISHED |
How this triple was built (2 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Frederick Douglass | Statement: [Frederick Douglass Memorial Bridge (southern landing), namedAfter, Frederick Douglass]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Frederick Douglass Context triple: [Frederick Douglass Memorial Bridge (southern landing), namedAfter, Frederick Douglass]
-
A.
Frederick Douglass
chosen
Frederick Douglass was a formerly enslaved African American abolitionist, orator, writer, and statesman whose autobiographies became foundational works in American and African American literature.
-
B.
Frederick Douglass Jr.
Frederick Douglass Jr. was an African American printer, editor, and civil rights activist, and the son of famed abolitionist Frederick Douglass.
-
C.
Martin Delany
Martin Delany was a 19th-century African American abolitionist, writer, physician, and early Black nationalist leader who co-founded the antislavery newspaper The North Star with Frederick Douglass.
-
D.
Lewis Henry Douglass
Lewis Henry Douglass was the eldest son of abolitionist Frederick Douglass, known for his service as a Union soldier in the Civil War and his work as a typesetter and activist in Washington, D.C.
-
E.
David Bates Douglass
David Bates Douglass was a 19th-century American civil engineer and landscape designer known for his influential work on rural cemeteries and public grounds.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69ca83d5a7f48190b16c1e59bd43ede0 |
completed | March 30, 2026, 2:08 p.m. |
| NER | Named-entity recognition | batch_69cc94bb26588190b7d6f2d70819e86f |
completed | April 1, 2026, 3:44 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d01798a79081909885a8e61bf04dc3 |
completed | April 3, 2026, 7:40 p.m. |
Created at: March 30, 2026, 7:11 p.m.