Triple
T19342345
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Montour Trail |
E483787
|
entity |
| Predicate | hasStructure |
P35
|
FINISHED |
| Object |
McDonald Trestle
McDonald Trestle is a historic railroad trestle repurposed as a pedestrian and cycling bridge along Pennsylvania’s Montour Trail.
|
E1440667
|
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: McDonald Trestle | Statement: [Montour Trail, hasStructure, McDonald Trestle]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: McDonald Trestle Context triple: [Montour Trail, hasStructure, McDonald Trestle]
-
A.
Pudding Creek Trestle
Pudding Creek Trestle is a historic wooden railroad bridge and popular coastal walking and biking trail located along the shoreline near Fort Bragg, California.
-
B.
Rosendale Trestle
Rosendale Trestle is a historic 19th-century railroad viaduct in Rosendale, New York, now best known as a restored pedestrian walkway and landmark spanning the Rondout Creek.
-
C.
Newkirk Viaduct
The Newkirk Viaduct is a historic 19th-century railroad bridge in Philadelphia that played a key role in early rail travel along the Northeast Corridor.
-
D.
Hogback Bridge
Hogback Bridge is a historic covered bridge in Madison County, Iowa, famed as one of the iconic "Bridges of Madison County" and a popular tourist attraction.
-
E.
Healey Dell Viaduct
Healey Dell Viaduct is a historic stone railway viaduct in the Healey Dell Nature Reserve near Whitworth, England, known for its dramatic arches spanning the River Spodden.
- 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: McDonald Trestle Triple: [Montour Trail, hasStructure, McDonald Trestle]
Generated description
McDonald Trestle is a historic railroad trestle repurposed as a pedestrian and cycling bridge along Pennsylvania’s Montour Trail.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: McDonald Trestle Target entity description: McDonald Trestle is a historic railroad trestle repurposed as a pedestrian and cycling bridge along Pennsylvania’s Montour Trail.
-
A.
Pudding Creek Trestle
Pudding Creek Trestle is a historic wooden railroad bridge and popular coastal walking and biking trail located along the shoreline near Fort Bragg, California.
-
B.
Rosendale Trestle
Rosendale Trestle is a historic 19th-century railroad viaduct in Rosendale, New York, now best known as a restored pedestrian walkway and landmark spanning the Rondout Creek.
-
C.
Newkirk Viaduct
The Newkirk Viaduct is a historic 19th-century railroad bridge in Philadelphia that played a key role in early rail travel along the Northeast Corridor.
-
D.
Hogback Bridge
Hogback Bridge is a historic covered bridge in Madison County, Iowa, famed as one of the iconic "Bridges of Madison County" and a popular tourist attraction.
-
E.
Healey Dell Viaduct
Healey Dell Viaduct is a historic stone railway viaduct in the Healey Dell Nature Reserve near Whitworth, England, known for its dramatic arches spanning the River Spodden.
- 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_69d8e8d244f8819080eb1f3491300db2 |
completed | April 10, 2026, 12:10 p.m. |
| NER | Named-entity recognition | batch_69e6185795bc8190a63061ca794c0d67 |
completed | April 20, 2026, 12:13 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a08bafa6c60819085ff1d365a18d79c |
completed | May 16, 2026, 6:44 p.m. |
| NEDg | Description generation | batch_6a08bba2e85881909ae887fc5bc3121f |
completed | May 16, 2026, 6:46 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a08bc410f008190b00bf4956d591176 |
completed | May 16, 2026, 6:49 p.m. |
Created at: April 10, 2026, 1:33 p.m.