Triple
T19619025
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Niantic Bay, Connecticut |
E470945
|
entity |
| Predicate | hasNearbyStructure |
P231
|
FINISHED |
| Object | Niantic River Railroad Bridge |
—
|
NE NERFINISHED |
How this triple was built (3 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: Niantic River Railroad Bridge | Statement: [Niantic Bay, Connecticut, hasNearbyStructure, Niantic River Railroad Bridge]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Niantic River Railroad Bridge Context triple: [Niantic Bay, Connecticut, hasNearbyStructure, Niantic River Railroad Bridge]
-
A.
Contoocook Railroad Bridge
The Contoocook Railroad Bridge is a historic covered railroad bridge in New Hampshire, notable as one of the oldest surviving examples of its kind in the United States.
-
B.
Portageville Bridge
Portageville Bridge is a historic railroad bridge spanning the Genesee River in Letchworth State Park in western New York, known for its dramatic views near the park’s Upper Falls.
-
C.
Yantic River Bridge
Yantic River Bridge is a historic bridge in Norwich, Connecticut, that carries traffic across the Yantic River and is notable for its 19th-century iron truss design.
-
D.
Kinzie Street Railroad Bridge
The Kinzie Street Railroad Bridge is a historic, early 20th-century vertical-lift railroad bridge in downtown Chicago, notable as one of the city’s iconic industrial-era river crossings.
-
E.
Point of Rocks Bridge
Point of Rocks Bridge is a historic highway bridge over the Potomac River that connects Point of Rocks, Maryland, with Virginia and serves as a key regional crossing.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Niantic River Railroad Bridge Target entity description: The Niantic River Railroad Bridge is a movable railway bridge in Connecticut that carries Amtrak’s Northeast Corridor across the Niantic River near Niantic Bay.
-
A.
Contoocook Railroad Bridge
The Contoocook Railroad Bridge is a historic covered railroad bridge in New Hampshire, notable as one of the oldest surviving examples of its kind in the United States.
-
B.
Portageville Bridge
Portageville Bridge is a historic railroad bridge spanning the Genesee River in Letchworth State Park in western New York, known for its dramatic views near the park’s Upper Falls.
-
C.
Yantic River Bridge
Yantic River Bridge is a historic bridge in Norwich, Connecticut, that carries traffic across the Yantic River and is notable for its 19th-century iron truss design.
-
D.
Kinzie Street Railroad Bridge
The Kinzie Street Railroad Bridge is a historic, early 20th-century vertical-lift railroad bridge in downtown Chicago, notable as one of the city’s iconic industrial-era river crossings.
-
E.
Point of Rocks Bridge
Point of Rocks Bridge is a historic highway bridge over the Potomac River that connects Point of Rocks, Maryland, with Virginia and serves as a key regional crossing.
- F. None of above. chosen
Provenance (2 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_69d8e510fa248190b7afb274a1d4cf73 |
completed | April 10, 2026, 11:54 a.m. |
| NER | Named-entity recognition | batch_69e640e4570c81909fc4f9b871346337 |
completed | April 20, 2026, 3:06 p.m. |
Created at: April 10, 2026, 1:43 p.m.