Triple
T23095671
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA commuter rail at Back Bay |
E575880
|
entity |
| Predicate | locatedIn |
P40
|
FINISHED |
| Object | Back Bay, Boston, Massachusetts |
—
|
NE NERFINISHED |
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: Back Bay, Boston, Massachusetts | Statement: [MBTA commuter rail at Back Bay, locatedIn, Back Bay, Boston, Massachusetts]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Back Bay, Boston, Massachusetts Context triple: [MBTA commuter rail at Back Bay, locatedIn, Back Bay, Boston, Massachusetts]
-
A.
Back Bay
chosen
Back Bay is a historic and upscale Boston neighborhood known for its Victorian brownstone homes, shopping streets like Newbury Street, and proximity to major cultural and green spaces.
-
B.
Back Bay
Back Bay is a prominent coastal waterbody and bay area off the southern tip of Mumbai, known for its sweeping shoreline, iconic Marine Drive, and views of the city’s skyline.
-
C.
Back Bay
Back Bay is a small inlet of Lake Winnipesaukee located in the town of Wolfeboro, New Hampshire, known for its calm waters and scenic shoreline.
-
D.
East Boston, Massachusetts
East Boston, Massachusetts is a waterfront neighborhood of Boston known for its diverse immigrant communities, residential streets, and proximity to Logan International Airport.
-
E.
South Cove, Boston
South Cove is a small neighborhood in Boston, Massachusetts, known for its proximity to downtown and its mix of medical, residential, and commercial facilities.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e245c060b48190a9bd61a47a16db17 |
completed | April 17, 2026, 2:37 p.m. |
| NER | Named-entity recognition | batch_69f18de3b2b481909ef598b447ed4dd2 |
completed | April 29, 2026, 4:49 a.m. |
Created at: April 17, 2026, 3:57 p.m.