Triple
T12738659
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Crawler-Transporter 2 |
E304430
|
entity |
| Predicate | manufacturer |
P490
|
FINISHED |
| Object |
Marion Power Shovel Company
Marion Power Shovel Company was a prominent American heavy equipment manufacturer best known for producing large excavators and machinery for major projects such as NASA’s crawler-transporters and the digging of the Panama Canal.
|
E624291
|
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: Marion Power Shovel Company | Statement: [Crawler-Transporter 2, manufacturer, Marion Power Shovel Company]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Marion Power Shovel Company Context triple: [Crawler-Transporter 2, manufacturer, Marion Power Shovel Company]
-
A.
Marion Steam Shovel Company
Marion Steam Shovel Company was a prominent American manufacturer of steam-powered excavation and earthmoving machinery that played a key role in major early 20th-century construction and mining projects.
-
B.
Melroe Manufacturing Company
Melroe Manufacturing Company was the original name of the American manufacturer that became Bobcat Company, best known for pioneering compact loaders and construction equipment.
-
C.
C. L. Best Tractor Company
C. L. Best Tractor Company was an early 20th-century American manufacturer of agricultural and construction tractors that became a key predecessor to Caterpillar Inc.
-
D.
Ames Shovel Works
Ames Shovel Works was a prominent 19th-century American manufacturing company in Easton, Massachusetts, best known for producing shovels that played a crucial role in major infrastructure projects like the Transcontinental Railroad.
-
E.
Ruston-Bucyrus
Ruston-Bucyrus was a British engineering firm best known for producing heavy construction and excavation machinery.
- 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: Marion Power Shovel Company Triple: [Crawler-Transporter 2, manufacturer, Marion Power Shovel Company]
Generated description
Marion Power Shovel Company was a prominent American heavy equipment manufacturer best known for producing large excavators and machinery for major projects such as NASA’s crawler-transporters and the digging of the Panama Canal.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Marion Power Shovel Company Target entity description: Marion Power Shovel Company was a prominent American heavy equipment manufacturer best known for producing large excavators and machinery for major projects such as NASA’s crawler-transporters and the digging of the Panama Canal.
-
A.
Marion Steam Shovel Company
chosen
Marion Steam Shovel Company was a prominent American manufacturer of steam-powered excavation and earthmoving machinery that played a key role in major early 20th-century construction and mining projects.
-
B.
Melroe Manufacturing Company
Melroe Manufacturing Company was the original name of the American manufacturer that became Bobcat Company, best known for pioneering compact loaders and construction equipment.
-
C.
C. L. Best Tractor Company
C. L. Best Tractor Company was an early 20th-century American manufacturer of agricultural and construction tractors that became a key predecessor to Caterpillar Inc.
-
D.
Ames Shovel Works
Ames Shovel Works was a prominent 19th-century American manufacturing company in Easton, Massachusetts, best known for producing shovels that played a crucial role in major infrastructure projects like the Transcontinental Railroad.
-
E.
Ruston-Bucyrus
Ruston-Bucyrus was a British engineering firm best known for producing heavy construction and excavation machinery.
- F. None of above.
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_69d7bdf1426c8190a4402e1c4cdec33a |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d9646cfcac81909283dca987755c0e |
completed | April 10, 2026, 8:58 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f67c8ff57c8190a935b5c9f4bb5aa3 |
completed | May 2, 2026, 10:37 p.m. |
| NEDg | Description generation | batch_69f67e7416948190a08eb3de840def77 |
completed | May 2, 2026, 10:45 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f67f7d237081908d3b6e8d759ea03e |
completed | May 2, 2026, 10:49 p.m. |
Created at: April 9, 2026, 5:26 p.m.