Triple
T9975808
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Massachusetts Avenue station |
E196323
|
entity |
| Predicate | serves |
P98
|
FINISHED |
| Object | Back Bay area of Boston |
E25621
|
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: Back Bay area of Boston | Statement: [Massachusetts Avenue station, serves, Back Bay area of Boston]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Back Bay area of Boston Context triple: [Massachusetts Avenue station, serves, Back Bay area of Boston]
-
A.
Dorchester neighborhood of Boston
The Dorchester neighborhood of Boston is a large, diverse residential area known for its historic streets, vibrant immigrant communities, and active commercial hubs.
-
B.
Charlestown neighborhood of Boston
The Charlestown neighborhood of Boston is a historic waterfront district located on a peninsula north of downtown, known for landmarks like the Bunker Hill Monument and the Charlestown Navy Yard.
-
C.
Allston neighborhood of Boston
The Allston neighborhood of Boston is a vibrant, densely populated area known for its large student and young professional population, diverse immigrant communities, and lively music, arts, and nightlife scenes.
-
D.
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.
-
E.
Downtown Boston
Downtown Boston is the city’s historic and commercial core, known for its dense cluster of landmarks, offices, and shopping areas.
- 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_69ca82eea2b88190a0e511d21a31f386 |
completed | March 30, 2026, 2:04 p.m. |
| NER | Named-entity recognition | batch_69cdb84b47308190aa2f94fa7320cdc3 |
completed | April 2, 2026, 12:28 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d23de601f0819096004bf60ffa2d2c |
completed | April 5, 2026, 10:48 a.m. |
Created at: March 30, 2026, 8:48 p.m.