Triple
T164888
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Broadway Limited |
E2991
|
entity |
| Predicate | replaced |
P101
|
FINISHED |
| Object |
Pennsylvania Special
The Pennsylvania Special was a premier long-distance passenger train operated by the Pennsylvania Railroad between New York City and Chicago in the early 20th century.
|
E20617
|
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 Special | Statement: [Broadway Limited, replaced, Pennsylvania Special]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pennsylvania Special Context triple: [Broadway Limited, replaced, Pennsylvania Special]
-
A.
Penn
Penn is a private Ivy League research university in Philadelphia known for its strong programs in business, law, medicine, and the liberal arts.
-
B.
Pennsylvania Limited
Pennsylvania Limited was a premier named passenger train operated by the Pennsylvania Railroad, known for providing luxury service on its long-distance route in the late 19th and early 20th centuries.
-
C.
Pennsylvania
Pennsylvania is a historically significant U.S. state in the Mid-Atlantic and Northeastern regions, known for cities like Philadelphia and Pittsburgh and its central role in the nation’s founding.
-
D.
Homestead, Pennsylvania
Homestead, Pennsylvania is a historic industrial borough near Pittsburgh best known as the site of Andrew Carnegie’s massive steel works and the 1892 Homestead Strike.
-
E.
Braddock, Pennsylvania
Braddock, Pennsylvania is a historic industrial town near Pittsburgh best known as the site of Andrew Carnegie’s first steel mill and a key early center of the American steel industry.
- 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 Special Triple: [Broadway Limited, replaced, Pennsylvania Special]
Generated description
The Pennsylvania Special was a premier long-distance passenger train operated by the Pennsylvania Railroad between New York City and Chicago in the early 20th century.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Pennsylvania Special Target entity description: The Pennsylvania Special was a premier long-distance passenger train operated by the Pennsylvania Railroad between New York City and Chicago in the early 20th century.
-
A.
Penn
Penn is a private Ivy League research university in Philadelphia known for its strong programs in business, law, medicine, and the liberal arts.
-
B.
Pennsylvania Limited
Pennsylvania Limited was a premier named passenger train operated by the Pennsylvania Railroad, known for providing luxury service on its long-distance route in the late 19th and early 20th centuries.
-
C.
Pennsylvania
Pennsylvania is a historically significant U.S. state in the Mid-Atlantic and Northeastern regions, known for cities like Philadelphia and Pittsburgh and its central role in the nation’s founding.
-
D.
Homestead, Pennsylvania
Homestead, Pennsylvania is a historic industrial borough near Pittsburgh best known as the site of Andrew Carnegie’s massive steel works and the 1892 Homestead Strike.
-
E.
Braddock, Pennsylvania
Braddock, Pennsylvania is a historic industrial town near Pittsburgh best known as the site of Andrew Carnegie’s first steel mill and a key early center of the American steel industry.
- 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_69a2524ce1e48190ab066bf72859f474 |
completed | Feb. 28, 2026, 2:26 a.m. |
| NER | Named-entity recognition | batch_69a258827da481909b20ea5e9d21676f |
completed | Feb. 28, 2026, 2:52 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a2db55b2808190bb120e6f266bd26b |
completed | Feb. 28, 2026, 12:11 p.m. |
| NEDg | Description generation | batch_69a2dbc9285081908ce873c8ec56c36f |
completed | Feb. 28, 2026, 12:12 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a2e05353808190a0392ea04cecdb43 |
completed | Feb. 28, 2026, 12:32 p.m. |
Created at: Feb. 28, 2026, 2:34 a.m.