Triple
T21910
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pennsylvania Railroad Company |
E435
|
entity |
| Predicate | notableTrain |
P1669
|
FINISHED |
| Object |
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.
|
E2992
|
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 Limited | Statement: [Pennsylvania Railroad Company, notableTrain, Pennsylvania Limited]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pennsylvania Limited Context triple: [Pennsylvania Railroad Company, notableTrain, Pennsylvania 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.
Douglas
Douglas is a masculine given name of Scottish origin that has been widely used in English-speaking countries.
-
C.
Carnegie
Carnegie is a Scottish surname most famously associated with industrialist and philanthropist Andrew Carnegie.
-
D.
Piscataway, New Jersey
Piscataway, New Jersey is a suburban township in Middlesex County known for hosting major corporate and institutional facilities, including the headquarters of the IEEE Standards Association and parts of Rutgers University.
-
E.
Home Owners' Loan Corporation
The Home Owners' Loan Corporation was a New Deal-era U.S. government agency created during the Great Depression to refinance home mortgages, prevent foreclosures, and stabilize the housing market.
- 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 Limited Triple: [Pennsylvania Railroad Company, notableTrain, Pennsylvania Limited]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Pennsylvania Limited Target entity description: 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.
-
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.
Douglas
Douglas is a masculine given name of Scottish origin that has been widely used in English-speaking countries.
-
C.
Carnegie
Carnegie is a Scottish surname most famously associated with industrialist and philanthropist Andrew Carnegie.
-
D.
Piscataway, New Jersey
Piscataway, New Jersey is a suburban township in Middlesex County known for hosting major corporate and institutional facilities, including the headquarters of the IEEE Standards Association and parts of Rutgers University.
-
E.
Home Owners' Loan Corporation
The Home Owners' Loan Corporation was a New Deal-era U.S. government agency created during the Great Depression to refinance home mortgages, prevent foreclosures, and stabilize the housing market.
- 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_69a243b4ac2c8190b93c303df797b7b2 |
completed | Feb. 28, 2026, 1:24 a.m. |
| NER | Named-entity recognition | batch_69a2481e91c88190ad0fb09cddc5f446 |
completed | Feb. 28, 2026, 1:42 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a24e59b35c8190a192ed9095a8756d |
completed | Feb. 28, 2026, 2:09 a.m. |
| NEDg | Description generation | batch_69a24edf06688190963f6812d173d56e |
completed | Feb. 28, 2026, 2:11 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a24fec71908190813a1e322bbbdbb6 |
completed | Feb. 28, 2026, 2:16 a.m. |
Created at: Feb. 28, 2026, 1:34 a.m.