Triple
T3506
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Fitchburg Line |
E65
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
North Leominster
North Leominster is a commuter rail station in Leominster, Massachusetts, served by the MBTA’s Fitchburg Line.
|
E43103
|
NE FINISHED |
How this triple was built (4 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 Leominster | Statement: [MBTA Fitchburg Line, hasStation, North Leominster]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: North Leominster Context triple: [MBTA Fitchburg Line, hasStation, North Leominster]
-
A.
Newtonville
Newtonville is a residential and commercial village within the city of Newton, Massachusetts, known for its commuter rail access and small-town center.
-
B.
Dedham
Dedham is a historic suburban town in eastern Massachusetts that serves as the county seat of Norfolk County and lies just southwest of Boston.
-
C.
West Newton
West Newton is a residential village and historic neighborhood within the city of Newton, Massachusetts.
-
D.
Fitchburg
Fitchburg is a small city in north-central Massachusetts known for its industrial history, hilly terrain, and role as a regional rail hub.
-
E.
Lexington, Massachusetts
Lexington, Massachusetts is a historic New England town best known as the site where the first shots of the American Revolutionary War were fired at the Battle of Lexington in 1775.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: North Leominster Triple: [MBTA Fitchburg Line, hasStation, North Leominster]
Generated description
North Leominster is a commuter rail station in Leominster, Massachusetts, served by the MBTA’s Fitchburg Line.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: North Leominster Target entity description: North Leominster is a commuter rail station in Leominster, Massachusetts, served by the MBTA’s Fitchburg Line.
-
A.
Newtonville
Newtonville is a residential and commercial village within the city of Newton, Massachusetts, known for its commuter rail access and small-town center.
-
B.
Dedham
Dedham is a historic suburban town in eastern Massachusetts that serves as the county seat of Norfolk County and lies just southwest of Boston.
-
C.
West Newton
West Newton is a residential village and historic neighborhood within the city of Newton, Massachusetts.
-
D.
Fitchburg
Fitchburg is a small city in north-central Massachusetts known for its industrial history, hilly terrain, and role as a regional rail hub.
-
E.
Lexington, Massachusetts
Lexington, Massachusetts is a historic New England town best known as the site where the first shots of the American Revolutionary War were fired at the Battle of Lexington in 1775.
- F. None of above. chosen
Provenance (5 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_69a238d6b47881909e68288aed2fd858 |
completed | Feb. 28, 2026, 12:37 a.m. |
| NER | Named-entity recognition | batch_69a23ff0650c8190bea8724de0343e58 |
completed | Feb. 28, 2026, 1:08 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a3d4dade1081909c73e2bbd9d99455 |
completed | March 1, 2026, 5:55 a.m. |
| NEDg | Description generation | batch_69a3d574e6248190b61804582a5b2f02 |
completed | March 1, 2026, 5:58 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a3d5da769081909db319846899a66a |
completed | March 1, 2026, 5:59 a.m. |
Created at: Feb. 28, 2026, 12:40 a.m.