Triple
T141738
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA |
E2866
|
entity |
| Predicate | serves |
P98
|
FINISHED |
| Object | Massachusetts Bay region |
E767
|
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: Massachusetts Bay region | Statement: [MBTA, serves, Massachusetts Bay region]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Massachusetts Bay region Context triple: [MBTA, serves, Massachusetts Bay region]
-
A.
Southeastern Massachusetts
Southeastern Massachusetts is a region of the U.S. state of Massachusetts that encompasses communities south and east of Boston, including parts of Plymouth and Bristol counties and serving as a gateway to Cape Cod.
-
B.
New England
New England is a historic region in the northeastern United States known for its colonial heritage, distinct seasons, and influential role in American culture and politics.
-
C.
Western Massachusetts
Western Massachusetts is the largely rural, hilly western region of the state known for its scenic landscapes, college towns, and cultural destinations such as the Berkshires.
-
D.
Pioneer Valley
Pioneer Valley is a region in western Massachusetts centered on the Connecticut River, known for its college towns, rural landscapes, and cultural and historical significance.
-
E.
Massachusetts Bay
chosen
Massachusetts Bay is a large inlet of the Atlantic Ocean on the eastern coast of Massachusetts, historically significant as the site of early English colonial settlement in New England.
- 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_69a2521e35c08190b28e5c9f1e3c9b59 |
completed | Feb. 28, 2026, 2:25 a.m. |
| NER | Named-entity recognition | batch_69a257c9cab8819095e8d9fa32c1fbc6 |
completed | Feb. 28, 2026, 2:49 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a36ceb0244819092fdbbd095804b83 |
completed | Feb. 28, 2026, 10:32 p.m. |
Created at: Feb. 28, 2026, 2:31 a.m.