Triple
T9903778
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Watertown branch of the Green Line A |
E182351
|
entity |
| Predicate | servedArea |
P82
|
FINISHED |
| Object | North Beacon Street corridor |
E775933
|
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: North Beacon Street corridor | Statement: [Watertown branch of the Green Line A, servedArea, North Beacon Street corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: North Beacon Street corridor Context triple: [Watertown branch of the Green Line A, servedArea, North Beacon Street corridor]
-
A.
North Beacon Street
chosen
North Beacon Street is a major thoroughfare in Boston, Massachusetts, running through the Allston-Brighton area and serving as a key connector between residential neighborhoods and commercial districts.
-
B.
Tremont Street commercial corridor
Tremont Street commercial corridor is a key mixed-use business district in Boston’s Mission Hill neighborhood, known for its dense concentration of shops, restaurants, and local services.
-
C.
Commonwealth Avenue corridor
The Commonwealth Avenue corridor is a major urban thoroughfare in Boston that functions as a key residential, commercial, and transit spine, notably lined with Boston University facilities and served by multiple Green Line light rail stops.
-
D.
Fairfax Avenue corridor
The Fairfax Avenue corridor is a prominent cultural and commercial stretch in Los Angeles known for its historic Jewish community, trendy boutiques, streetwear shops, and proximity to major attractions like the Fairfax District and The Grove.
-
E.
Western Avenue corridor
The Western Avenue corridor is a key urban thoroughfare and development zone in Boston’s Allston neighborhood that serves as a central spine for Harvard University’s expanding Allston campus and surrounding mixed-use projects.
- 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_69ca82876f8081909cf75df0f99bb13f |
completed | March 30, 2026, 2:02 p.m. |
| NER | Named-entity recognition | batch_69cdb4e4f92c81908e38509416f19c78 |
completed | April 2, 2026, 12:14 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d20d9e132c8190a68f94e4cfd36c56 |
completed | April 5, 2026, 7:22 a.m. |
Created at: March 30, 2026, 8:40 p.m.