Triple
T1178221
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Green Line |
E25076
|
entity |
| Predicate | terminus |
P388
|
FINISHED |
| Object | Heath Street |
E214615
|
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: Heath Street | Statement: [MBTA Green Line, terminus, Heath Street]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Heath Street Context triple: [MBTA Green Line, terminus, Heath Street]
-
A.
Heath Street
chosen
Heath Street is a light rail station in Boston, Massachusetts, serving as the southern terminus of the MBTA Green Line E branch.
-
B.
Hayes Street
Hayes Street is a notable thoroughfare in San Francisco, California, known for running through several central neighborhoods and bordering the historic Alamo Square area.
-
C.
Pine Street
Pine Street is a major east–west thoroughfare running through San Francisco’s Financial District, lined with office towers, financial institutions, and historic buildings.
-
D.
Pine Street
Pine Street is a major east–west thoroughfare in Philadelphia known for its historic rowhouses and role as a key residential and cultural corridor in Center City.
-
E.
Prescott Street
Prescott Street is a street in Cambridge, Massachusetts, located in the Harvard University area near the Carpenter Center for the Visual Arts.
- 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_69a494267b4c819088c97a59182bf56a |
completed | March 1, 2026, 7:31 p.m. |
| NER | Named-entity recognition | batch_69a4bd10ccc481908d5bcef648aab3c1 |
completed | March 1, 2026, 10:26 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69af903825d881909c3f2ec2c307019d |
completed | March 10, 2026, 3:30 a.m. |
Created at: March 1, 2026, 7:45 p.m.