Triple
T3604296
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Railroaders Memorial Museum, Altoona, Pennsylvania |
E76331
|
entity |
| Predicate | nearbyAttraction |
P3449
|
FINISHED |
| Object |
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.
|
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 National Historic Landmark | Statement: [Railroaders Memorial Museum, Altoona, Pennsylvania, nearbyAttraction, Horseshoe Curve National Historic Landmark]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Horseshoe Curve National Historic Landmark Context triple: [Railroaders Memorial Museum, Altoona, Pennsylvania, nearbyAttraction, Horseshoe Curve National Historic Landmark]
-
A.
Railroad Park
Railroad Park is a popular urban green space and community gathering spot in downtown Birmingham, Alabama, known for its walking trails, ponds, and skyline views.
-
B.
Point State Park
Point State Park is an urban state park at the confluence of Pittsburgh’s three rivers, known for its iconic fountain and historic significance as the site of former frontier forts.
-
C.
Incline Railway
Incline Railway is a historic funicular railway in Chattanooga, Tennessee, known for its steep ascent up Lookout Mountain and its popularity as a scenic tourist attraction.
-
D.
Geneva Spur
Geneva Spur is a branch of the Illinois Prairie Path, a multi-use recreational trail in the Chicago metropolitan area.
-
E.
Georgetown Loop Historic Mining & Railroad Park
Georgetown Loop Historic Mining & Railroad Park is a restored 19th-century narrow-gauge railroad and mining site in the Colorado Rockies, offering scenic train rides and tours of historic silver mines.
- 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 National Historic Landmark Triple: [Railroaders Memorial Museum, Altoona, Pennsylvania, nearbyAttraction, Horseshoe Curve National Historic Landmark]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Horseshoe Curve National Historic Landmark Target entity description: 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.
-
A.
Railroad Park
Railroad Park is a popular urban green space and community gathering spot in downtown Birmingham, Alabama, known for its walking trails, ponds, and skyline views.
-
B.
Point State Park
Point State Park is an urban state park at the confluence of Pittsburgh’s three rivers, known for its iconic fountain and historic significance as the site of former frontier forts.
-
C.
Incline Railway
Incline Railway is a historic funicular railway in Chattanooga, Tennessee, known for its steep ascent up Lookout Mountain and its popularity as a scenic tourist attraction.
-
D.
Geneva Spur
Geneva Spur is a branch of the Illinois Prairie Path, a multi-use recreational trail in the Chicago metropolitan area.
-
E.
Georgetown Loop Historic Mining & Railroad Park
Georgetown Loop Historic Mining & Railroad Park is a restored 19th-century narrow-gauge railroad and mining site in the Colorado Rockies, offering scenic train rides and tours of historic silver mines.
- 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_69ad85d93dcc819094fba90cf70f4996 |
completed | March 8, 2026, 2:21 p.m. |
| NER | Named-entity recognition | batch_69adc1e07bc481908d9fce18d36d8e0d |
completed | March 8, 2026, 6:37 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b40320a0308190b2f358fe1488ed98 |
completed | March 13, 2026, 12:29 p.m. |
| NEDg | Description generation | batch_69b4041bc85c8190948b7e47aef0e0d0 |
completed | March 13, 2026, 12:33 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b408778220819086935bfa9c0dd4fd |
completed | March 13, 2026, 12:52 p.m. |
Created at: March 8, 2026, 3:22 p.m.