Triple
T15582590
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pennsylvania Railroad freight cars |
E374536
|
entity |
| Predicate | usedOn |
P2367
|
FINISHED |
| Object |
Pennsylvania Railroad Buffalo Line
The Pennsylvania Railroad Buffalo Line was a key freight rail route in the northeastern United States that connected Buffalo, New York, with other major points on the Pennsylvania Railroad system.
|
E1166247
|
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: Pennsylvania Railroad Buffalo Line | Statement: [Pennsylvania Railroad freight cars, usedOn, Pennsylvania Railroad Buffalo Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pennsylvania Railroad Buffalo Line Context triple: [Pennsylvania Railroad freight cars, usedOn, Pennsylvania Railroad Buffalo Line]
-
A.
New York, Susquehanna and Western Railway
The New York, Susquehanna and Western Railway is a regional freight railroad operating primarily in New York, New Jersey, and Pennsylvania, known for serving as a key transportation link in the northeastern United States.
-
B.
Pennsylvania Railroad Schuylkill Branch
The Pennsylvania Railroad Schuylkill Branch was a former rail line running along the Schuylkill River in the Philadelphia region, historically used for both passenger and freight service and later partly incorporated into modern commuter rail operations.
-
C.
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.
-
D.
Lehigh Valley Railroad
Lehigh Valley Railroad was a major northeastern U.S. railroad that primarily served the anthracite coal region of Pennsylvania and connected it to key industrial and port cities.
-
E.
Delaware, Lackawanna and Western Railroad
The Delaware, Lackawanna and Western Railroad was a major northeastern U.S. railroad known for its anthracite coal traffic and passenger services, which later became part of the Erie Lackawanna Railway.
- 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: Pennsylvania Railroad Buffalo Line Triple: [Pennsylvania Railroad freight cars, usedOn, Pennsylvania Railroad Buffalo Line]
Generated description
The Pennsylvania Railroad Buffalo Line was a key freight rail route in the northeastern United States that connected Buffalo, New York, with other major points on the Pennsylvania Railroad system.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Pennsylvania Railroad Buffalo Line Target entity description: The Pennsylvania Railroad Buffalo Line was a key freight rail route in the northeastern United States that connected Buffalo, New York, with other major points on the Pennsylvania Railroad system.
-
A.
New York, Susquehanna and Western Railway
The New York, Susquehanna and Western Railway is a regional freight railroad operating primarily in New York, New Jersey, and Pennsylvania, known for serving as a key transportation link in the northeastern United States.
-
B.
Pennsylvania Railroad Schuylkill Branch
The Pennsylvania Railroad Schuylkill Branch was a former rail line running along the Schuylkill River in the Philadelphia region, historically used for both passenger and freight service and later partly incorporated into modern commuter rail operations.
-
C.
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.
-
D.
Lehigh Valley Railroad
Lehigh Valley Railroad was a major northeastern U.S. railroad that primarily served the anthracite coal region of Pennsylvania and connected it to key industrial and port cities.
-
E.
Delaware, Lackawanna and Western Railroad
The Delaware, Lackawanna and Western Railroad was a major northeastern U.S. railroad known for its anthracite coal traffic and passenger services, which later became part of the Erie Lackawanna Railway.
- 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_69d85ccd575081908909b71a3f3e3a61 |
completed | April 10, 2026, 2:13 a.m. |
| NER | Named-entity recognition | batch_69e04e45ee3c8190a6aee06a5805ca39 |
completed | April 16, 2026, 2:49 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff56c3efb48190ad94d9d326c6c2c0 |
completed | May 9, 2026, 3:46 p.m. |
| NEDg | Description generation | batch_69ff578dc9dc8190ae0b1abcd74a6346 |
completed | May 9, 2026, 3:49 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ff586ce89081909ebc1779bb9c4221 |
completed | May 9, 2026, 3:53 p.m. |
Created at: April 10, 2026, 4:11 a.m.