Triple
T16922984
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | John Edgar Thomson |
E410488
|
entity |
| Predicate | memberOf |
P10
|
FINISHED |
| Object | Pennsylvania Railroad management |
E435
|
NE FINISHED |
How this triple was built (2 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 management | Statement: [John Edgar Thomson, memberOf, Pennsylvania Railroad management]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pennsylvania Railroad management Context triple: [John Edgar Thomson, memberOf, Pennsylvania Railroad management]
-
A.
Pennsylvania Railroad Mechanical Department
The Pennsylvania Railroad Mechanical Department was the in-house engineering division of the Pennsylvania Railroad responsible for designing and developing its locomotives and rolling stock.
-
B.
Pennsylvania Railroad Company
chosen
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.
-
C.
Pennsylvania Railroad laboratories
Pennsylvania Railroad laboratories were the research and testing facilities of the Pennsylvania Railroad, where scientific and engineering studies were conducted to improve railroad materials, equipment, and operations.
-
D.
Pittsburgh Railways
Pittsburgh Railways was a major streetcar and public transit operator in Pittsburgh, Pennsylvania, known for running one of the largest PCC streetcar fleets in the United States.
-
E.
Philadelphia and Reading Railroad
The Philadelphia and Reading Railroad was a major 19th- and early 20th-century American railroad and coal-transporting line centered in Pennsylvania, later known as part of the Reading Company system.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d886c7b1e481908c3766dfa8c13458 |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3cdf06e8c81908028efef2faa6c6b |
completed | April 18, 2026, 6:31 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00cfd5e17481909fc4303fcc1342bf |
completed | May 10, 2026, 6:35 p.m. |
Created at: April 10, 2026, 5:30 a.m.