Triple
T89953
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA bus network |
E1808
|
entity |
| Predicate | serves |
P98
|
FINISHED |
| Object | Chelsea, Massachusetts |
E7514
|
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: Chelsea, Massachusetts | Statement: [MBTA bus network, serves, Chelsea, Massachusetts]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chelsea, Massachusetts Context triple: [MBTA bus network, serves, Chelsea, Massachusetts]
-
A.
Chelsea, Massachusetts
chosen
Chelsea, Massachusetts is a small, densely populated city just north of Boston known for its industrial history, diverse immigrant communities, and location along the Mystic River.
-
B.
Chelmsford, Massachusetts
Chelmsford, Massachusetts is a suburban New England town northwest of Boston known for its historic character, residential communities, and role as a commuter hub within the Greater Boston area.
-
C.
Waltham, Massachusetts
Waltham, Massachusetts is a historic city just west of Boston known for its role in the American Industrial Revolution and as home to institutions like Brandeis University and Bentley University.
-
D.
Tewksbury, Massachusetts
Tewksbury, Massachusetts is a suburban New England town known for its residential communities, historic character, and location between Lowell and Boston.
-
E.
Peabody, Massachusetts
Peabody, Massachusetts is a historic North Shore city known for its leather industry heritage and as a residential and commercial hub north of Boston.
- 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_69a24d1a97dc819094e6c021fe9b05a7 |
completed | Feb. 28, 2026, 2:04 a.m. |
| NER | Named-entity recognition | batch_69a383e3575c8190932dcdc25503d06e |
completed | March 1, 2026, 12:10 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b28d474f10819090cef63f1b93646a |
completed | March 12, 2026, 9:54 a.m. |
Created at: Feb. 28, 2026, 2:07 a.m.