Triple
T23051475
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Silver Line SL5 |
E574024
|
entity |
| Predicate | hasServiceArea |
P82
|
FINISHED |
| Object | Downtown Boston–Washington Street corridor |
—
|
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: Downtown Boston–Washington Street corridor | Statement: [Silver Line SL5, hasServiceArea, Downtown Boston–Washington Street corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Downtown Boston–Washington Street corridor Context triple: [Silver Line SL5, hasServiceArea, Downtown Boston–Washington Street corridor]
-
A.
Massachusetts Avenue commercial corridor
The Massachusetts Avenue commercial corridor is a major urban thoroughfare in Cambridge lined with shops, restaurants, and businesses that serves as one of the city’s primary retail and social hubs.
-
B.
East Boston commercial corridor
The East Boston commercial corridor is a key business district in East Boston featuring a dense mix of shops, restaurants, and services that serve local residents and visitors.
-
C.
Charles River corridor
The Charles River corridor is the stretch of urban and natural landscape that runs along the Charles River, linking Boston and its neighboring communities with parks, paths, and transportation routes.
-
D.
Commercial Street (Boston)
Commercial Street in Boston is a major waterfront thoroughfare in the North End that runs along the harbor and links key downtown and harborfront routes.
-
E.
Boylston Street, Boston
Boylston Street in Boston is a major downtown thoroughfare best known as the iconic finish-line location of the Boston Marathon.
- 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: Downtown Boston–Washington Street corridor Target entity description: The Downtown Boston–Washington Street corridor is a major urban thoroughfare and transit corridor running through central Boston, lined with commercial, residential, and historic sites and heavily served by bus and bus rapid transit routes.
-
A.
Massachusetts Avenue commercial corridor
The Massachusetts Avenue commercial corridor is a major urban thoroughfare in Cambridge lined with shops, restaurants, and businesses that serves as one of the city’s primary retail and social hubs.
-
B.
East Boston commercial corridor
The East Boston commercial corridor is a key business district in East Boston featuring a dense mix of shops, restaurants, and services that serve local residents and visitors.
-
C.
Charles River corridor
The Charles River corridor is the stretch of urban and natural landscape that runs along the Charles River, linking Boston and its neighboring communities with parks, paths, and transportation routes.
-
D.
Commercial Street (Boston)
Commercial Street in Boston is a major waterfront thoroughfare in the North End that runs along the harbor and links key downtown and harborfront routes.
-
E.
Boylston Street, Boston
Boylston Street in Boston is a major downtown thoroughfare best known as the iconic finish-line location of the Boston Marathon.
- 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_69e245ba7ae48190be606dbc54120e39 |
completed | April 17, 2026, 2:37 p.m. |
| NER | Named-entity recognition | batch_69f1867d010c8190bc5dba6758d0b797 |
completed | April 29, 2026, 4:18 a.m. |
Created at: April 17, 2026, 3:54 p.m.