Triple
T12487634
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Charles Benjamin Dudley |
E298476
|
entity |
| Predicate | workLocation |
P7
|
FINISHED |
| Object |
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.
|
E986005
|
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 laboratories | Statement: [Charles Benjamin Dudley, workLocation, Pennsylvania Railroad laboratories]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pennsylvania Railroad laboratories Context triple: [Charles Benjamin Dudley, workLocation, Pennsylvania Railroad laboratories]
-
A.
Pennsylvania Railroad Altoona Works
Pennsylvania Railroad Altoona Works was a major locomotive and railcar manufacturing and maintenance complex in Altoona, Pennsylvania, renowned as one of the most important railroad shops in the United States.
-
B.
Pittsburgh Locomotive and Car Works
Pittsburgh Locomotive and Car Works was a prominent 19th-century American manufacturer of steam locomotives and railroad cars that later became part of the American Locomotive Company.
-
C.
Locomotive Works
Locomotive Works is the section of the Derby railway works dedicated to the construction, maintenance, and repair of railway locomotives.
-
D.
Manchester Locomotive Works
Manchester Locomotive Works was a prominent 19th-century American manufacturer of steam locomotives that later became part of the American Locomotive Company (ALCO).
-
E.
Pennsylvania Railroad freight cars
Pennsylvania Railroad freight cars were the rolling stock used by the Pennsylvania Railroad to transport goods across its extensive rail network in the United States.
- 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 laboratories Triple: [Charles Benjamin Dudley, workLocation, Pennsylvania Railroad laboratories]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Pennsylvania Railroad laboratories Target entity description: 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.
-
A.
Pennsylvania Railroad Altoona Works
Pennsylvania Railroad Altoona Works was a major locomotive and railcar manufacturing and maintenance complex in Altoona, Pennsylvania, renowned as one of the most important railroad shops in the United States.
-
B.
Pittsburgh Locomotive and Car Works
Pittsburgh Locomotive and Car Works was a prominent 19th-century American manufacturer of steam locomotives and railroad cars that later became part of the American Locomotive Company.
-
C.
Locomotive Works
Locomotive Works is the section of the Derby railway works dedicated to the construction, maintenance, and repair of railway locomotives.
-
D.
Manchester Locomotive Works
Manchester Locomotive Works was a prominent 19th-century American manufacturer of steam locomotives that later became part of the American Locomotive Company (ALCO).
-
E.
Pennsylvania Railroad freight cars
Pennsylvania Railroad freight cars were the rolling stock used by the Pennsylvania Railroad to transport goods across its extensive rail network in the United States.
- 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_69d6ada377208190a36011199a4d8558 |
completed | April 8, 2026, 7:33 p.m. |
| NER | Named-entity recognition | batch_69d94de077bc81908b5ff057a1bf2b4f |
completed | April 10, 2026, 7:22 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f64ba7d8bc8190acc1f0d537a5bbbb |
completed | May 2, 2026, 7:08 p.m. |
| NEDg | Description generation | batch_69f64c7c5d04819094fcbee0a4b5cbb4 |
completed | May 2, 2026, 7:11 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f64d653b988190b11d061f55ef7192 |
completed | May 2, 2026, 7:15 p.m. |
Created at: April 8, 2026, 9:56 p.m.