Triple
T2383543
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Green Line (MBTA) |
E46364
|
entity |
| Predicate | openedAsRailPredecessor |
P38408
|
FINISHED |
| Object | late 19th century streetcar lines in Boston |
—
|
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: late 19th century streetcar lines in Boston | Statement: [Green Line (MBTA), openedAsRailPredecessor, late 19th century streetcar lines in Boston]
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: openedAsRailPredecessor Context triple: [Green Line (MBTA), openedAsRailPredecessor, late 19th century streetcar lines in Boston]
-
A.
openedAsPredecessor
Indicates that one entity was opened or began operation as the predecessor to another entity, which later replaced or succeeded it.
-
B.
openedAsRailStop
Indicates that an entity began operation or was first established specifically as a railway stop.
-
C.
openedAsBranchOf
Indicates that one entity was established and began operating as a branch or subsidiary location of another entity.
-
D.
openedAsThroughRoute
Indicates that a route or service began operating as a continuous through connection, rather than as separate or terminating segments.
-
E.
openedAs
Indicates that one entity began operating, functioning, or being available to the public under the form, name, or role of another entity.
- 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_69a88a1554a48190a0180682bcf099be |
completed | March 4, 2026, 7:37 p.m. |
| NER | Named-entity recognition | batch_69abc7bafa248190a68e8f1e081f4817 |
completed | March 7, 2026, 6:37 a.m. |
| PD | Predicate disambiguation | batch_69abc59f73f08190924a36d7d475d8f4 |
completed | March 7, 2026, 6:28 a.m. |
| PDg | Predicate description generation | batch_69abc6f4245881909282b3184a288e2a |
completed | March 7, 2026, 6:34 a.m. |
Created at: March 4, 2026, 7:57 p.m.