Triple
T11133552
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Commuter Rail Old Colony Lines |
E263349
|
entity |
| Predicate | line |
P1293
|
FINISHED |
| Object | Plymouth Line |
E755572
|
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: Plymouth Line | Statement: [MBTA Commuter Rail Old Colony Lines, line, Plymouth Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Plymouth Line Context triple: [MBTA Commuter Rail Old Colony Lines, line, Plymouth Line]
-
A.
Plymouth Line
chosen
The Plymouth Line is a commuter rail route in Massachusetts that connects Boston with the town of Plymouth as part of the MBTA’s Old Colony Lines network.
-
B.
Bristol–Bath line
The Bristol–Bath line is a key railway route in southwest England that connects the cities of Bristol and Bath, forming part of the Great Western Main Line network.
-
C.
Southampton–Bournemouth line
The Southampton–Bournemouth line is a key railway route on England’s south coast linking the cities of Southampton and Bournemouth and forming part of the wider South West Main Line network.
-
D.
East Coastway Line
The East Coastway Line is a major railway route in East Sussex, England, running along the south coast and connecting Brighton and Lewes with coastal towns such as Eastbourne and Hastings.
-
E.
Southampton–Portsmouth line
The Southampton–Portsmouth line is a key railway route on England’s south coast linking the cities of Southampton and Portsmouth and serving numerous intermediate suburban and coastal communities.
- 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_69d6aa9c0ba08190bbd19c217489b755 |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7e8347a248190837e8c26f25f553a |
completed | April 9, 2026, 5:56 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e441f00d7c8190a8fe8e0c1169e6b0 |
completed | April 19, 2026, 2:46 a.m. |
Created at: April 8, 2026, 9:28 p.m.