Triple
T2048874
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Midland Main Line |
E45516
|
entity |
| Predicate | hasRollingStockType |
P1305
|
FINISHED |
| Object | Class 222 Meridian |
E122419
|
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: Class 222 Meridian | Statement: [Midland Main Line, hasRollingStockType, Class 222 Meridian]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Class 222 Meridian Context triple: [Midland Main Line, hasRollingStockType, Class 222 Meridian]
-
A.
Class 222 Meridian
chosen
The Class 222 Meridian is a high-speed diesel-electric multiple unit train used in the UK for intercity passenger services, particularly on routes operated by East Midlands Railway.
-
B.
Class 221 Super Voyager
The Class 221 Super Voyager is a high-speed tilting diesel-electric multiple unit train used on long-distance intercity services in the UK rail network.
-
C.
Class 220 Voyager
The Class 220 Voyager is a high-speed diesel-electric multiple unit train used on intercity services across the UK rail network.
-
D.
Crown Class
Crown Class is Royal Jordanian's premium business-class cabin product, offering enhanced comfort, service, and amenities on the airline’s flights.
-
E.
Bagley class
The Bagley class was a group of U.S. Navy destroyers built in the late 1930s that saw extensive service during World War II, particularly in the Pacific Theater.
- 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_69a8891948208190ab7898da21824c77 |
completed | March 4, 2026, 7:33 p.m. |
| NER | Named-entity recognition | batch_69abb98c70c48190beb98aad56d9daf1 |
completed | March 7, 2026, 5:37 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae2007386481908b46c7bc2db8e4dd |
completed | March 9, 2026, 1:19 a.m. |
Created at: March 4, 2026, 7:39 p.m.