Triple
T14917426
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Horseshoe Curve National Historic Landmark |
E371415
|
entity |
| Predicate | hasVisitorCenter |
P105
|
FINISHED |
| Object |
Horseshoe Curve visitor center and museum
The Horseshoe Curve visitor center and museum is a facility near the famed railroad landmark that offers historical exhibits, educational displays, and viewing areas for visitors to learn about and observe the iconic rail curve.
|
E371415
|
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: Horseshoe Curve visitor center and museum | Statement: [Horseshoe Curve National Historic Landmark, hasVisitorCenter, Horseshoe Curve visitor center and museum]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Horseshoe Curve visitor center and museum Context triple: [Horseshoe Curve National Historic Landmark, hasVisitorCenter, Horseshoe Curve visitor center and museum]
-
A.
Horseshoe Curve National Historic Landmark
Horseshoe Curve National Historic Landmark is a famous railroad engineering marvel in Altoona, Pennsylvania, featuring a large, curved section of track built in the 19th century to help trains cross the Allegheny Mountains.
-
B.
North Bridge Visitor Center
North Bridge Visitor Center is a historic-site visitor facility in Concord, Massachusetts, that interprets the opening battles of the American Revolutionary War at Minute Man National Historical Park.
-
C.
Ernest F. Coe Visitor Center
Ernest F. Coe Visitor Center is the main visitor facility and eastern gateway to Everglades National Park, offering exhibits, information, and services for park visitors.
-
D.
Jockey Hollow Visitor Center
Jockey Hollow Visitor Center is the main interpretive and orientation facility for visitors to the Jockey Hollow area of Morristown National Historical Park in New Jersey.
-
E.
Ben Reifel Visitor Center
Ben Reifel Visitor Center is the main visitor facility at Badlands National Park, offering exhibits, park information, and services for tourists exploring the area.
- 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: Horseshoe Curve visitor center and museum Triple: [Horseshoe Curve National Historic Landmark, hasVisitorCenter, Horseshoe Curve visitor center and museum]
Generated description
The Horseshoe Curve visitor center and museum is a facility near the famed railroad landmark that offers historical exhibits, educational displays, and viewing areas for visitors to learn about and observe the iconic rail curve.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Horseshoe Curve visitor center and museum Target entity description: The Horseshoe Curve visitor center and museum is a facility near the famed railroad landmark that offers historical exhibits, educational displays, and viewing areas for visitors to learn about and observe the iconic rail curve.
-
A.
Horseshoe Curve National Historic Landmark
chosen
Horseshoe Curve National Historic Landmark is a famous railroad engineering marvel in Altoona, Pennsylvania, featuring a large, curved section of track built in the 19th century to help trains cross the Allegheny Mountains.
-
B.
North Bridge Visitor Center
North Bridge Visitor Center is a historic-site visitor facility in Concord, Massachusetts, that interprets the opening battles of the American Revolutionary War at Minute Man National Historical Park.
-
C.
Ernest F. Coe Visitor Center
Ernest F. Coe Visitor Center is the main visitor facility and eastern gateway to Everglades National Park, offering exhibits, information, and services for park visitors.
-
D.
Jockey Hollow Visitor Center
Jockey Hollow Visitor Center is the main interpretive and orientation facility for visitors to the Jockey Hollow area of Morristown National Historical Park in New Jersey.
-
E.
Ben Reifel Visitor Center
Ben Reifel Visitor Center is the main visitor facility at Badlands National Park, offering exhibits, park information, and services for tourists exploring the area.
- F. None of above.
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_69d85cc7ea3481908228b5acb7d06f12 |
completed | April 10, 2026, 2:13 a.m. |
| NER | Named-entity recognition | batch_69ded62038508190946499cd3552990e |
completed | April 15, 2026, 12:04 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fe72bf2120819099df39bdc1da691b |
completed | May 8, 2026, 11:33 p.m. |
| NEDg | Description generation | batch_69fe7360c11481908e2e5127b466e31b |
completed | May 8, 2026, 11:36 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69fe743c37308190a045ef5f0ade8508 |
completed | May 8, 2026, 11:39 p.m. |
Created at: April 10, 2026, 2:32 a.m.