Triple
T4601403
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | CTA 3200-series railcars |
E100325
|
entity |
| Predicate | designedBy |
P184
|
FINISHED |
| Object | Morrison-Knudsen engineers |
E162828
|
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: Morrison-Knudsen engineers | Statement: [CTA 3200-series railcars, designedBy, Morrison-Knudsen engineers]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Morrison-Knudsen engineers Context triple: [CTA 3200-series railcars, designedBy, Morrison-Knudsen engineers]
-
A.
Morrison-Knudsen
chosen
Morrison-Knudsen was a major American engineering and construction company known for building large-scale infrastructure projects worldwide, including dams, bridges, and transportation systems.
-
B.
Walter P Moore
Walter P Moore is a global engineering firm known for its expertise in structural engineering and innovative design solutions for major sports venues and other complex structures.
-
C.
Leslie E. Robertson Associates
Leslie E. Robertson Associates is a prominent structural engineering firm known for its innovative design of high-rise and complex structures worldwide.
-
D.
McKelvey Engineering
McKelvey Engineering is the engineering school of Washington University in St. Louis, known for its research and education in fields such as biomedical, mechanical, electrical, and computer engineering.
-
E.
Edward Durell Stone & Associates
Edward Durell Stone & Associates was the architectural firm founded by prominent American modernist architect Edward Durell Stone, known for designing notable mid-20th-century buildings in the United States and abroad.
- 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_69bd43cbc014819098b45f435908f88a |
completed | March 20, 2026, 12:55 p.m. |
| NER | Named-entity recognition | batch_69bd597346a08190b47eda3b73076f8b |
completed | March 20, 2026, 2:28 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bdfa60b3348190ac8e28f9e78e1d99 |
completed | March 21, 2026, 1:54 a.m. |
Created at: March 20, 2026, 1:11 p.m.