Triple
T18213418
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Green Line E branch |
E436089
|
entity |
| Predicate | runsTo |
P2127
|
FINISHED |
| Object | Heath Street in Jamaica Plain |
—
|
NE NERFINISHED |
How this triple was built (3 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 in Jamaica Plain | Statement: [Green Line E branch, runsTo, Heath Street in Jamaica Plain]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Heath Street in Jamaica Plain Context triple: [Green Line E branch, runsTo, Heath Street in Jamaica Plain]
-
A.
Charles Street, Boston
Charles Street in Boston is a historic thoroughfare in the Beacon Hill neighborhood known for its 19th-century architecture, boutique shops, and proximity to major medical and cultural institutions.
-
B.
Summer Street (Boston)
Summer Street is a major thoroughfare in downtown Boston that runs through the Financial District and Seaport, serving as a key commercial and commuter route.
-
C.
Purchase Street (Boston)
Purchase Street (Boston) is a downtown Boston roadway running through the city’s Financial District, lined with office buildings and commercial properties.
-
D.
Tremont Street, Boston
Tremont Street in Boston is a major historic thoroughfare running through downtown and bordering Boston Common, lined with notable civic, cultural, and commercial landmarks.
-
E.
King Street, Boston
King Street in Boston (now known as State Street) is the historic downtown thoroughfare where the Boston Massacre occurred in 1770, a pivotal event leading up to the American Revolution.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Heath Street in Jamaica Plain Target entity description: Heath Street in Jamaica Plain is the southern terminus of Boston’s Green Line E branch light rail service.
-
A.
Charles Street, Boston
Charles Street in Boston is a historic thoroughfare in the Beacon Hill neighborhood known for its 19th-century architecture, boutique shops, and proximity to major medical and cultural institutions.
-
B.
Summer Street (Boston)
Summer Street is a major thoroughfare in downtown Boston that runs through the Financial District and Seaport, serving as a key commercial and commuter route.
-
C.
Purchase Street (Boston)
Purchase Street (Boston) is a downtown Boston roadway running through the city’s Financial District, lined with office buildings and commercial properties.
-
D.
Tremont Street, Boston
Tremont Street in Boston is a major historic thoroughfare running through downtown and bordering Boston Common, lined with notable civic, cultural, and commercial landmarks.
-
E.
King Street, Boston
King Street in Boston (now known as State Street) is the historic downtown thoroughfare where the Boston Massacre occurred in 1770, a pivotal event leading up to the American Revolution.
- F. None of above. chosen
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_69d8b90dba6481908e119eb9aa4ca0cb |
completed | April 10, 2026, 8:47 a.m. |
| NER | Named-entity recognition | batch_69e4e475953c81909f792793ded2057e |
completed | April 19, 2026, 2:19 p.m. |
Created at: April 10, 2026, 10:32 a.m.