Triple
T2939282
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | R46 subway cars |
E79343
|
entity |
| Predicate | rebuiltBy |
P529
|
FINISHED |
| Object | Morrison-Knudsen |
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 | Statement: [R46 subway cars, rebuiltBy, Morrison-Knudsen]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Morrison-Knudsen Context triple: [R46 subway cars, rebuiltBy, Morrison-Knudsen]
-
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.
Kiewit Constructors
Kiewit Constructors is a major North American construction and engineering contractor known for delivering large-scale infrastructure and transportation projects.
-
C.
M.A. Mortenson Company
M.A. Mortenson Company is a major U.S.-based construction and real estate development firm known for building large-scale sports, entertainment, and commercial facilities.
-
D.
Bechtel Corporation
Bechtel Corporation is a major American engineering, construction, and project management company known for large-scale infrastructure and energy projects worldwide.
-
E.
The Kennedy/Marshall Company
The Kennedy/Marshall Company is a prominent American film and television production company founded by producers Kathleen Kennedy and Frank Marshall, known for backing acclaimed mainstream and prestige projects.
- 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_69ad8b0fbab081908f6a61567c045d8d |
completed | March 8, 2026, 2:43 p.m. |
| NER | Named-entity recognition | batch_69ad986d9a248190927efc1a0c7d247f |
completed | March 8, 2026, 3:40 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b08686b0388190a214ad8a615f2da5 |
completed | March 10, 2026, 9 p.m. |
Created at: March 8, 2026, 2:56 p.m.