Triple
T1237
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Andrew Carnegie |
E24
|
entity |
| Predicate | employer |
P7
|
FINISHED |
| Object |
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.
|
E435
|
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 Company | Statement: [Andrew Carnegie, employer, Pennsylvania Railroad Company]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pennsylvania Railroad Company Context triple: [Andrew Carnegie, employer, Pennsylvania Railroad Company]
-
A.
Carnegie Steel Company
Carnegie Steel Company was a dominant late-19th-century American steel producer that played a central role in the expansion of the U.S. steel industry and the rise of modern industrial capitalism.
-
B.
Carnegie
Carnegie is a Scottish surname most famously associated with industrialist and philanthropist Andrew Carnegie.
-
C.
Tennessee Valley Authority
The Tennessee Valley Authority is a federally owned U.S. corporation created during the New Deal to provide regional economic development, flood control, and electricity generation in the Tennessee Valley.
-
D.
De Forest Radio Telephone Company
De Forest Radio Telephone Company was an early 20th-century American firm that developed and commercialized pioneering radio and wireless telephony technologies.
-
E.
MBTA Fitchburg Line
The MBTA Fitchburg Line is a commuter rail route in the Greater Boston area that runs between Boston and Fitchburg, serving numerous suburban communities along the way.
- 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 Company Triple: [Andrew Carnegie, employer, Pennsylvania Railroad Company]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Pennsylvania Railroad Company Target entity description: 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.
-
A.
Carnegie Steel Company
Carnegie Steel Company was a dominant late-19th-century American steel producer that played a central role in the expansion of the U.S. steel industry and the rise of modern industrial capitalism.
-
B.
Carnegie
Carnegie is a Scottish surname most famously associated with industrialist and philanthropist Andrew Carnegie.
-
C.
Tennessee Valley Authority
The Tennessee Valley Authority is a federally owned U.S. corporation created during the New Deal to provide regional economic development, flood control, and electricity generation in the Tennessee Valley.
-
D.
De Forest Radio Telephone Company
De Forest Radio Telephone Company was an early 20th-century American firm that developed and commercialized pioneering radio and wireless telephony technologies.
-
E.
MBTA Fitchburg Line
The MBTA Fitchburg Line is a commuter rail route in the Greater Boston area that runs between Boston and Fitchburg, serving numerous suburban communities along the way.
- 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_69a22a285828819081a58308fb963df1 |
completed | Feb. 27, 2026, 11:35 p.m. |
| NER | Named-entity recognition | batch_69a230c560548190a57df2421e233775 |
completed | Feb. 28, 2026, 12:03 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a23d860c2881909010e0310acaf10f |
completed | Feb. 28, 2026, 12:57 a.m. |
| NEDg | Description generation | batch_69a23ffe6b4081908f9d04b169a7bed8 |
completed | Feb. 28, 2026, 1:08 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a2406bedd081909e8704cef5ab08dd |
completed | Feb. 28, 2026, 1:10 a.m. |
Created at: Feb. 27, 2026, 11:36 p.m.