Triple
T14496025
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Bethlehem, Pennsylvania |
E359501
|
entity |
| Predicate | hasLandmark |
P105
|
FINISHED |
| Object |
Bethlehem Steelstacks Hoover-Mason Trestle
Bethlehem Steelstacks Hoover-Mason Trestle is a former industrial railroad trestle at the historic Bethlehem Steel plant that has been transformed into an elevated public walkway and cultural attraction.
|
E1103711
|
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: Bethlehem Steelstacks Hoover-Mason Trestle | Statement: [Bethlehem, Pennsylvania, hasLandmark, Bethlehem Steelstacks Hoover-Mason Trestle]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bethlehem Steelstacks Hoover-Mason Trestle Context triple: [Bethlehem, Pennsylvania, hasLandmark, Bethlehem Steelstacks Hoover-Mason Trestle]
-
A.
Starrucca Viaduct, Pennsylvania
Starrucca Viaduct in Pennsylvania is a historic 19th-century stone railroad bridge renowned for its impressive series of arches and its prominence in American landscape art.
-
B.
Panhandle Bridge at Pittsburgh
The Panhandle Bridge at Pittsburgh is a historic railroad bridge over the Monongahela River that once carried major Pennsylvania Railroad and successor passenger trains into downtown Pittsburgh.
-
C.
Kittanning Citizens Bridge
Kittanning Citizens Bridge is a historic vehicular bridge spanning the Allegheny River at Kittanning, Pennsylvania, serving as a key local transportation link.
-
D.
Lehigh Valley Railroad Bridge (former)
The Lehigh Valley Railroad Bridge (former) was a now-demolished rail bridge that once carried Lehigh Valley Railroad trains across Newark Bay in New Jersey.
-
E.
Walnut Street Bridge
Walnut Street Bridge is a historic pedestrian truss bridge in Chattanooga, Tennessee, known as one of the world’s longest pedestrian bridges and a prominent riverfront landmark.
- 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: Bethlehem Steelstacks Hoover-Mason Trestle Triple: [Bethlehem, Pennsylvania, hasLandmark, Bethlehem Steelstacks Hoover-Mason Trestle]
Generated description
Bethlehem Steelstacks Hoover-Mason Trestle is a former industrial railroad trestle at the historic Bethlehem Steel plant that has been transformed into an elevated public walkway and cultural attraction.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Bethlehem Steelstacks Hoover-Mason Trestle Target entity description: Bethlehem Steelstacks Hoover-Mason Trestle is a former industrial railroad trestle at the historic Bethlehem Steel plant that has been transformed into an elevated public walkway and cultural attraction.
-
A.
Starrucca Viaduct, Pennsylvania
Starrucca Viaduct in Pennsylvania is a historic 19th-century stone railroad bridge renowned for its impressive series of arches and its prominence in American landscape art.
-
B.
Panhandle Bridge at Pittsburgh
The Panhandle Bridge at Pittsburgh is a historic railroad bridge over the Monongahela River that once carried major Pennsylvania Railroad and successor passenger trains into downtown Pittsburgh.
-
C.
Kittanning Citizens Bridge
Kittanning Citizens Bridge is a historic vehicular bridge spanning the Allegheny River at Kittanning, Pennsylvania, serving as a key local transportation link.
-
D.
Lehigh Valley Railroad Bridge (former)
The Lehigh Valley Railroad Bridge (former) was a now-demolished rail bridge that once carried Lehigh Valley Railroad trains across Newark Bay in New Jersey.
-
E.
Walnut Street Bridge
Walnut Street Bridge is a historic pedestrian truss bridge in Chattanooga, Tennessee, known as one of the world’s longest pedestrian bridges and a prominent riverfront landmark.
- 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_69d8279740308190af9df93a3af8592e |
completed | April 9, 2026, 10:26 p.m. |
| NER | Named-entity recognition | batch_69de93109cb081909a6e846db23a4635 |
completed | April 14, 2026, 7:18 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fd6d9731588190b27a826582e5fc6d |
completed | May 8, 2026, 4:59 a.m. |
| NEDg | Description generation | batch_69fd6f80e3a081908c43915275898852 |
completed | May 8, 2026, 5:07 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69fd7016a3c48190a1ea2fefeea92c60 |
completed | May 8, 2026, 5:09 a.m. |
Created at: April 10, 2026, 1:21 a.m.