Triple
T1669268
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | St. Joseph River |
E36086
|
entity |
| Predicate | hasBridge |
P386
|
FINISHED |
| Object |
Bicentennial Bridge in South Bend
The Bicentennial Bridge in South Bend is a pedestrian bridge and riverfront landmark that connects key parks and trails across the St. Joseph River as part of the city’s downtown revitalization.
|
E190602
|
NE FINISHED |
How this triple was built (4 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: Bicentennial Bridge in South Bend | Statement: [St. Joseph River, hasBridge, Bicentennial Bridge in South Bend]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bicentennial Bridge in South Bend Context triple: [St. Joseph River, hasBridge, Bicentennial Bridge in South Bend]
-
A.
Cincinnati–Covington Bridge
The Cincinnati–Covington Bridge is a historic 19th-century suspension bridge over the Ohio River, renowned as a pioneering precursor to the Brooklyn Bridge and a major engineering achievement of its era.
-
B.
Centennial Bridge
Centennial Bridge is a major cable-stayed bridge in Panama that spans the Panama Canal, serving as a key transportation link near Panama City.
-
C.
Mark Twain Memorial Bridge
The Mark Twain Memorial Bridge is a highway bridge over the Mississippi River near Hannibal, Missouri, named in honor of the famed American author Mark Twain.
-
D.
Sagamore Bridge
Sagamore Bridge is a major highway bridge in Massachusetts that carries traffic over the Cape Cod Canal, serving as one of the primary gateways to Cape Cod.
-
E.
Maurice J. Tobin Memorial Bridge
The Maurice J. Tobin Memorial Bridge is a major steel cantilever bridge in Boston, Massachusetts, carrying U.S. Route 1 over the Mystic River between Charlestown and Chelsea.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Bicentennial Bridge in South Bend Triple: [St. Joseph River, hasBridge, Bicentennial Bridge in South Bend]
Generated description
The Bicentennial Bridge in South Bend is a pedestrian bridge and riverfront landmark that connects key parks and trails across the St. Joseph River as part of the city’s downtown revitalization.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Bicentennial Bridge in South Bend Target entity description: The Bicentennial Bridge in South Bend is a pedestrian bridge and riverfront landmark that connects key parks and trails across the St. Joseph River as part of the city’s downtown revitalization.
-
A.
Cincinnati–Covington Bridge
The Cincinnati–Covington Bridge is a historic 19th-century suspension bridge over the Ohio River, renowned as a pioneering precursor to the Brooklyn Bridge and a major engineering achievement of its era.
-
B.
Centennial Bridge
Centennial Bridge is a major cable-stayed bridge in Panama that spans the Panama Canal, serving as a key transportation link near Panama City.
-
C.
Mark Twain Memorial Bridge
The Mark Twain Memorial Bridge is a highway bridge over the Mississippi River near Hannibal, Missouri, named in honor of the famed American author Mark Twain.
-
D.
Sagamore Bridge
Sagamore Bridge is a major highway bridge in Massachusetts that carries traffic over the Cape Cod Canal, serving as one of the primary gateways to Cape Cod.
-
E.
Maurice J. Tobin Memorial Bridge
The Maurice J. Tobin Memorial Bridge is a major steel cantilever bridge in Boston, Massachusetts, carrying U.S. Route 1 over the Mystic River between Charlestown and Chelsea.
- F. None of above. chosen
Provenance (5 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_69a8861286808190939afff3ce8ee31e |
completed | March 4, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69a90adf3d3c81909233e574e79b82a2 |
completed | March 5, 2026, 4:47 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad7988bda081908a966ae1f589cb8f |
completed | March 8, 2026, 1:28 p.m. |
| NEDg | Description generation | batch_69ad7a351760819085bb3551eb840391 |
completed | March 8, 2026, 1:31 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ad7a8fe4d88190beb1e6b8cd778501 |
completed | March 8, 2026, 1:33 p.m. |
Created at: March 4, 2026, 7:29 p.m.