Triple
T1841692
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Montparnasse derailment |
E41189
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Chemins de fer de l'Ouest |
E55072
|
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: Chemins de fer de l'Ouest | Statement: [Montparnasse derailment, operator, Chemins de fer de l'Ouest]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chemins de fer de l'Ouest Context triple: [Montparnasse derailment, operator, Chemins de fer de l'Ouest]
-
A.
Compagnie des chemins de fer de l'Ouest
chosen
Compagnie des chemins de fer de l'Ouest was a major 19th-century French railway company that operated lines in western France and played a key role in the expansion of the national rail network.
-
B.
Western Pacific Railroad
Western Pacific Railroad was a major American railroad company that operated primarily in the western United States, known for its scenic transcontinental routes and competitive service against larger carriers like the Southern Pacific.
-
C.
Compagnie des chemins de fer de l’Est
Compagnie des chemins de fer de l’Est was a major 19th- and early 20th-century French railway company that operated lines in the eastern regions of France before being nationalized into the SNCF.
-
D.
Southern Pacific Railroad
Southern Pacific Railroad was a major American railroad company that operated extensive rail networks across the western and southwestern United States from the 19th to the late 20th century.
-
E.
St. Louis–San Francisco Railway
The St. Louis–San Francisco Railway, commonly known as the Frisco, was a major American railroad that operated in the central and south-central United States from the late 19th to the mid-20th century.
- 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_69a88647f9388190909bc36e795bdaec |
completed | March 4, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69abb03e7a7481909c5b902034390ef1 |
completed | March 7, 2026, 4:57 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69adf3c5acb88190aef46483b3318431 |
completed | March 8, 2026, 10:10 p.m. |
Created at: March 4, 2026, 7:33 p.m.