Triple
T17287458
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | F40PH-2D (rebuilt variants, historically) |
E419694
|
entity |
| Predicate | operatedOn |
P2572
|
FINISHED |
| Object | Kingston/Plymouth Line |
E167927
|
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: Kingston/Plymouth Line | Statement: [F40PH-2D (rebuilt variants, historically), operatedOn, Kingston/Plymouth Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Kingston/Plymouth Line Context triple: [F40PH-2D (rebuilt variants, historically), operatedOn, Kingston/Plymouth Line]
-
A.
Kingston Line
chosen
The Kingston Line is a Massachusetts Bay Transportation Authority (MBTA) Commuter Rail route serving communities south of Boston between the city and Kingston.
-
B.
York–Scarborough line
The York–Scarborough line is a historic railway route in North Yorkshire, England, connecting the city of York with the coastal resort town of Scarborough.
-
C.
Barrie line
The Barrie line is a GO Transit commuter rail corridor in the Greater Toronto Area that runs between Toronto and the city of Barrie.
-
D.
Bedford–Brighton line
The Bedford–Brighton line is a major north–south commuter and regional rail route in southern England, running through central London and forming the core of the Thameslink network.
-
E.
Waterloo to Exeter Line
The Waterloo to Exeter Line is a major railway route in southern England connecting London with Exeter via towns in Surrey, Hampshire, and Dorset.
- 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_69d886db32608190a61e18862c5a8af6 |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e43780fad88190b82193c8335e2f11 |
completed | April 19, 2026, 2:01 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a017957c738819087341bcd51b55114 |
completed | May 11, 2026, 6:38 a.m. |
Created at: April 10, 2026, 5:40 a.m.