Triple
T164764
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pennsylvania Railroad |
E2987
|
entity |
| Predicate | majorCompetitor |
P1794
|
FINISHED |
| Object |
New York Central Railroad
New York Central Railroad was one of the largest and most influential American railroads, known for its extensive network in the northeastern United States and iconic passenger trains like the 20th Century Limited.
|
E26481
|
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: New York Central Railroad | Statement: [Pennsylvania Railroad, majorCompetitor, New York Central Railroad]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: New York Central Railroad Context triple: [Pennsylvania Railroad, majorCompetitor, New York Central Railroad]
-
A.
Pennsylvania Railroad Company
The Pennsylvania Railroad Company was one of the largest and most influential American railroads of the 19th and early 20th centuries, playing a central role in the industrial development of the United States.
-
B.
Boston and Maine Railroad
The Boston and Maine Railroad was a major New England railroad that operated extensive passenger and freight services across Massachusetts, New Hampshire, Maine, and surrounding states from the 19th through the mid-20th century.
-
C.
Union Pacific Railroad
Union Pacific Railroad is one of the largest freight rail networks in the United States, operating an extensive system that spans the western two-thirds of the country.
-
D.
Chicago Railways Company
The Chicago Railways Company was a major early 20th-century street railway operator in Chicago that formed a key part of the city’s urban transit system before consolidation into unified public transportation.
-
E.
Pittsburgh, Cincinnati, Chicago and St. Louis Railroad
The Pittsburgh, Cincinnati, Chicago and St. Louis Railroad was a major Midwestern and Mid-Atlantic rail system that formed a key part of the Pennsylvania Railroad’s network, linking important industrial cities across the region.
- 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: New York Central Railroad Triple: [Pennsylvania Railroad, majorCompetitor, New York Central Railroad]
Generated description
New York Central Railroad was one of the largest and most influential American railroads, known for its extensive network in the northeastern United States and iconic passenger trains like the 20th Century Limited.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: New York Central Railroad Target entity description: New York Central Railroad was one of the largest and most influential American railroads, known for its extensive network in the northeastern United States and iconic passenger trains like the 20th Century Limited.
-
A.
Pennsylvania Railroad Company
The Pennsylvania Railroad Company was one of the largest and most influential American railroads of the 19th and early 20th centuries, playing a central role in the industrial development of the United States.
-
B.
Boston and Maine Railroad
The Boston and Maine Railroad was a major New England railroad that operated extensive passenger and freight services across Massachusetts, New Hampshire, Maine, and surrounding states from the 19th through the mid-20th century.
-
C.
Union Pacific Railroad
Union Pacific Railroad is one of the largest freight rail networks in the United States, operating an extensive system that spans the western two-thirds of the country.
-
D.
Chicago Railways Company
The Chicago Railways Company was a major early 20th-century street railway operator in Chicago that formed a key part of the city’s urban transit system before consolidation into unified public transportation.
-
E.
Pittsburgh, Cincinnati, Chicago and St. Louis Railroad
The Pittsburgh, Cincinnati, Chicago and St. Louis Railroad was a major Midwestern and Mid-Atlantic rail system that formed a key part of the Pennsylvania Railroad’s network, linking important industrial cities across the region.
- 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_69a25bae79b48190abfd247410e5918f |
completed | Feb. 28, 2026, 3:06 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a32f269a508190835d587125342870 |
completed | Feb. 28, 2026, 6:08 p.m. |
| NEDg | Description generation | batch_69a32f8e6964819089360153a79b0772 |
completed | Feb. 28, 2026, 6:10 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a32fdb96f48190b2810f06a694fbba |
completed | Feb. 28, 2026, 6:11 p.m. |
Created at: Feb. 28, 2026, 2:34 a.m.