Triple
T16315281
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pennsylvania trolley gauge |
E396156
|
entity |
| Predicate | historicallyUsedBy |
P2834
|
FINISHED |
| Object |
Altoona and Logan Valley Electric Railway
The Altoona and Logan Valley Electric Railway was an interurban and streetcar system that served the Altoona, Pennsylvania area in the late 19th and early 20th centuries.
|
E1205289
|
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: Altoona and Logan Valley Electric Railway | Statement: [Pennsylvania trolley gauge, historicallyUsedBy, Altoona and Logan Valley Electric Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Altoona and Logan Valley Electric Railway Context triple: [Pennsylvania trolley gauge, historicallyUsedBy, Altoona and Logan Valley Electric Railway]
-
A.
Ligonier Valley Railroad
Ligonier Valley Railroad was a historic short-line railroad in Pennsylvania that primarily served the Ligonier Valley region by transporting passengers and local industrial freight in the late 19th and early 20th centuries.
-
B.
Sunbury and Erie Railroad
The Sunbury and Erie Railroad was a 19th-century Pennsylvania rail line that later became part of the Northern Central Railway system.
-
C.
Cumberland Valley Railroad
The Cumberland Valley Railroad was a historic American railroad that operated primarily in south-central Pennsylvania and northern Maryland, playing a key role in regional transportation during the 19th and early 20th centuries.
-
D.
Pine Creek Railroad
Pine Creek Railroad is a historic narrow-gauge tourist railway in New Jersey that offers scenic train rides through Allaire State Park using vintage locomotives and rolling stock.
-
E.
New Hope and Ivyland Railroad
The New Hope and Ivyland Railroad is a heritage tourist railway in Bucks County, Pennsylvania, offering scenic vintage train excursions through the countryside.
- 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: Altoona and Logan Valley Electric Railway Triple: [Pennsylvania trolley gauge, historicallyUsedBy, Altoona and Logan Valley Electric Railway]
Generated description
The Altoona and Logan Valley Electric Railway was an interurban and streetcar system that served the Altoona, Pennsylvania area in the late 19th and early 20th centuries.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Altoona and Logan Valley Electric Railway Target entity description: The Altoona and Logan Valley Electric Railway was an interurban and streetcar system that served the Altoona, Pennsylvania area in the late 19th and early 20th centuries.
-
A.
Ligonier Valley Railroad
Ligonier Valley Railroad was a historic short-line railroad in Pennsylvania that primarily served the Ligonier Valley region by transporting passengers and local industrial freight in the late 19th and early 20th centuries.
-
B.
Sunbury and Erie Railroad
The Sunbury and Erie Railroad was a 19th-century Pennsylvania rail line that later became part of the Northern Central Railway system.
-
C.
Cumberland Valley Railroad
The Cumberland Valley Railroad was a historic American railroad that operated primarily in south-central Pennsylvania and northern Maryland, playing a key role in regional transportation during the 19th and early 20th centuries.
-
D.
Pine Creek Railroad
Pine Creek Railroad is a historic narrow-gauge tourist railway in New Jersey that offers scenic train rides through Allaire State Park using vintage locomotives and rolling stock.
-
E.
New Hope and Ivyland Railroad
The New Hope and Ivyland Railroad is a heritage tourist railway in Bucks County, Pennsylvania, offering scenic vintage train excursions through the countryside.
- 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_69d87f255b788190a400eba031dd85d8 |
completed | April 10, 2026, 4:40 a.m. |
| NER | Named-entity recognition | batch_69e288de57cc81908cec93309347c385 |
completed | April 17, 2026, 7:24 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a001fa88e8c8190b0423b60389896dc |
completed | May 10, 2026, 6:03 a.m. |
| NEDg | Description generation | batch_6a002067aa708190bc2583c95ab133a4 |
completed | May 10, 2026, 6:06 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a00214a2a908190a11388a63de1f7af |
completed | May 10, 2026, 6:10 a.m. |
Created at: April 10, 2026, 5:06 a.m.