Triple
T11133556
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Commuter Rail Old Colony Lines |
E263349
|
entity |
| Predicate | openedAsMBTAService |
P97991
|
FINISHED |
| Object | 1997 |
—
|
LITERAL 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: 1997 | Statement: [MBTA Commuter Rail Old Colony Lines, openedAsMBTAService, 1997]
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: openedAsMBTAService Context triple: [MBTA Commuter Rail Old Colony Lines, openedAsMBTAService, 1997]
-
A.
openedAsMBTAStation
Indicates that an entity began operation specifically as an MBTA station at a particular time.
-
B.
openedAsMetraService
Indicates that a transportation facility or line began operating specifically as part of the Metra commuter rail service.
-
C.
openedAsMetroNorthService
Indicates that a transportation facility or line began operation specifically as part of the Metro-North Railroad service.
-
D.
reopenedAsMBTAService
Indicates that a previously closed service or line was reopened specifically as part of the MBTA (Massachusetts Bay Transportation Authority) system.
-
E.
openedAsSubway
Indicates that a transportation facility or line originally began operation specifically as a subway service.
- F. None of above. chosen
Provenance (4 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. |
| PD | Predicate disambiguation | batch_69d75ce104908190b6cc31ef2f67846a |
completed | April 9, 2026, 8:01 a.m. |
| PDg | Predicate description generation | batch_69d7706116248190a87440bec3960884 |
completed | April 9, 2026, 9:24 a.m. |
Created at: April 8, 2026, 9:28 p.m.