Triple
T1190015
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Blue Line |
E25336
|
entity |
| Predicate | serves |
P98
|
FINISHED |
| Object | East Boston, Massachusetts |
E124478
|
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: East Boston, Massachusetts | Statement: [MBTA Blue Line, serves, East Boston, Massachusetts]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: East Boston, Massachusetts Context triple: [MBTA Blue Line, serves, East Boston, Massachusetts]
-
A.
East Boston, Massachusetts
chosen
East Boston, Massachusetts is a waterfront neighborhood of Boston known for its diverse immigrant communities, residential streets, and proximity to Logan International Airport.
-
B.
Malden, Massachusetts
Malden, Massachusetts is a suburban city just north of Boston known for its diverse population, historic neighborhoods, and mix of residential and commercial areas.
-
C.
Watertown, Massachusetts
Watertown, Massachusetts is a historic suburban city just west of Boston, known for its early industrial development and significant Armenian-American community.
-
D.
Stoneham, Massachusetts
Stoneham, Massachusetts is a suburban town north of Boston known for its residential character and proximity to the Middlesex Fells Reservation.
-
E.
Lowell, Massachusetts
Lowell, Massachusetts is a historic New England city known as a cradle of the American Industrial Revolution and a center of early textile manufacturing.
- 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_69a49427d98881908646d6c63b8cea1e |
completed | March 1, 2026, 7:31 p.m. |
| NER | Named-entity recognition | batch_69a4bd58d8d88190b8d9c9c9de7f4e97 |
completed | March 1, 2026, 10:27 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae26ce527c8190988fd9a97ad06895 |
completed | March 9, 2026, 1:47 a.m. |
Created at: March 1, 2026, 7:45 p.m.