Triple
T16935564
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Wyoming Hill station |
E410817
|
entity |
| Predicate | isOnCorridor |
P1018
|
FINISHED |
| Object |
Boston–Haverhill rail corridor
The Boston–Haverhill rail corridor is a commuter and intercity rail line in Massachusetts that connects Boston with the city of Haverhill, serving numerous suburban communities along the route.
|
E1240852
|
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: Boston–Haverhill rail corridor | Statement: [MBTA Wyoming Hill station, isOnCorridor, Boston–Haverhill rail corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Boston–Haverhill rail corridor Context triple: [MBTA Wyoming Hill station, isOnCorridor, Boston–Haverhill rail corridor]
-
A.
Boston–Concord main line
The Boston–Concord main line was a principal intercity rail corridor in New England that connected Boston, Massachusetts with Concord, New Hampshire, serving as a key route for the Boston and Maine Railroad.
-
B.
Boston–Portland main line
The Boston–Portland main line is a historic New England railroad corridor connecting Boston, Massachusetts, with Portland, Maine, that has long served as a key passenger and freight route along the region’s coast.
-
C.
Boston–Albany rail corridor
The Boston–Albany rail corridor is a key east–west passenger and freight rail route linking Boston, Massachusetts with Albany, New York across the heart of New England.
-
D.
Newburyport/Rockport Line
The Newburyport/Rockport Line is a Massachusetts Bay Transportation Authority commuter rail route serving Boston’s North Station and coastal communities north of the city, including Newburyport and Rockport.
-
E.
Fitchburg Line
The Fitchburg Line is a commuter rail service operated by the Massachusetts Bay Transportation Authority (MBTA) that runs between Boston and the city of Fitchburg in Massachusetts.
- 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: Boston–Haverhill rail corridor Triple: [MBTA Wyoming Hill station, isOnCorridor, Boston–Haverhill rail corridor]
Generated description
The Boston–Haverhill rail corridor is a commuter and intercity rail line in Massachusetts that connects Boston with the city of Haverhill, serving numerous suburban communities along the route.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Boston–Haverhill rail corridor Target entity description: The Boston–Haverhill rail corridor is a commuter and intercity rail line in Massachusetts that connects Boston with the city of Haverhill, serving numerous suburban communities along the route.
-
A.
Boston–Concord main line
The Boston–Concord main line was a principal intercity rail corridor in New England that connected Boston, Massachusetts with Concord, New Hampshire, serving as a key route for the Boston and Maine Railroad.
-
B.
Boston–Portland main line
The Boston–Portland main line is a historic New England railroad corridor connecting Boston, Massachusetts, with Portland, Maine, that has long served as a key passenger and freight route along the region’s coast.
-
C.
Boston–Albany rail corridor
The Boston–Albany rail corridor is a key east–west passenger and freight rail route linking Boston, Massachusetts with Albany, New York across the heart of New England.
-
D.
Newburyport/Rockport Line
The Newburyport/Rockport Line is a Massachusetts Bay Transportation Authority commuter rail route serving Boston’s North Station and coastal communities north of the city, including Newburyport and Rockport.
-
E.
Fitchburg Line
The Fitchburg Line is a commuter rail service operated by the Massachusetts Bay Transportation Authority (MBTA) that runs between Boston and the city of Fitchburg in Massachusetts.
- 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_69d886c886688190967be07322597ac9 |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3cf2a05f48190a0a8ac86985f4000 |
completed | April 18, 2026, 6:36 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00cfe2d4f48190b965b6c0a3cc0125 |
completed | May 10, 2026, 6:35 p.m. |
| NEDg | Description generation | batch_6a00d067a6348190bdce8ae810d02741 |
completed | May 10, 2026, 6:37 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a00d1366f4c8190b5627f67402d96a0 |
completed | May 10, 2026, 6:40 p.m. |
Created at: April 10, 2026, 5:30 a.m.