Triple
T227836
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Henry Wadsworth Longfellow |
E4348
|
entity |
| Predicate | hasMonument |
P105
|
FINISHED |
| Object | Longfellow Bridge, Boston–Cambridge |
E35507
|
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: Longfellow Bridge, Boston–Cambridge | Statement: [Henry Wadsworth Longfellow, hasMonument, Longfellow Bridge, Boston–Cambridge]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Longfellow Bridge, Boston–Cambridge Context triple: [Henry Wadsworth Longfellow, hasMonument, Longfellow Bridge, Boston–Cambridge]
-
A.
Harvard Bridge
Harvard Bridge is a long roadway bridge in Boston and Cambridge, Massachusetts, best known for carrying Massachusetts Avenue over the Charles River and for its quirky "smoot" length measurement.
-
B.
Boston University Bridge
The Boston University Bridge is a steel truss bridge in Boston, Massachusetts, notable for carrying both road traffic and the MBTA Green Line over the Charles River near the Boston University campus.
-
C.
Longfellow Bridge
chosen
Longfellow Bridge is a historic steel and granite bridge in Boston, Massachusetts, known for carrying road and rail traffic between Boston and Cambridge across the Charles River.
-
D.
Mystic River Bridge
The Mystic River Bridge, officially known as the Maurice J. Tobin Memorial Bridge, is a major steel cantilever roadway bridge in Boston, Massachusetts, carrying U.S. Route 1 over the Mystic River between Charlestown and Chelsea.
-
E.
Cape Cod Canal Railroad Bridge
The Cape Cod Canal Railroad Bridge is a historic vertical-lift railway bridge in Massachusetts that carries trains across the Cape Cod Canal and is notable for its impressive movable-span engineering.
- 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_69a257363ffc81909757bde7ab3404da |
completed | Feb. 28, 2026, 2:47 a.m. |
| NER | Named-entity recognition | batch_69a25c8f60e081909a1e382c1564df8d |
completed | Feb. 28, 2026, 3:10 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a40348b4f08190bdb3f7085d5db930 |
completed | March 1, 2026, 9:13 a.m. |
Created at: Feb. 28, 2026, 2:53 a.m.