Triple
T14773070
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak Downeaster |
E347183
|
entity |
| Predicate | extendedMarket |
P115736
|
FINISHED |
| Object |
Boston–Brunswick corridor
The Boston–Brunswick corridor is a passenger rail route in New England linking Boston, Massachusetts with Brunswick, Maine, serving key intermediate cities and communities along the way.
|
E83052
|
NE FINISHED |
How this triple was built (5 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–Brunswick corridor | Statement: [Amtrak Downeaster, extendedMarket, Boston–Brunswick corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Boston–Brunswick corridor Context triple: [Amtrak Downeaster, extendedMarket, Boston–Brunswick corridor]
-
A.
I-95 Northeast Corridor
The I-95 Northeast Corridor is a heavily traveled stretch of Interstate 95 running through major cities in the northeastern United States, serving as a key artery for regional and long-distance traffic.
-
B.
Princeton–New Brunswick corridor
The Princeton–New Brunswick corridor is a suburban region in central New Jersey characterized by residential communities, corporate campuses, and research institutions situated between the cities of Princeton and New Brunswick.
-
C.
Berkshire Connector
The Berkshire Connector is a tolled highway segment in New York that links the New York State Thruway with the Massachusetts Turnpike, facilitating east–west travel between the two states.
-
D.
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.
-
E.
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.
- 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–Brunswick corridor Triple: [Amtrak Downeaster, extendedMarket, Boston–Brunswick corridor]
Generated description
The Boston–Brunswick corridor is a passenger rail route in New England linking Boston, Massachusetts with Brunswick, Maine, serving key intermediate cities and communities along the way.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Boston–Brunswick corridor Target entity description: The Boston–Brunswick corridor is a passenger rail route in New England linking Boston, Massachusetts with Brunswick, Maine, serving key intermediate cities and communities along the way.
-
A.
I-95 Northeast Corridor
The I-95 Northeast Corridor is a heavily traveled stretch of Interstate 95 running through major cities in the northeastern United States, serving as a key artery for regional and long-distance traffic.
-
B.
Princeton–New Brunswick corridor
The Princeton–New Brunswick corridor is a suburban region in central New Jersey characterized by residential communities, corporate campuses, and research institutions situated between the cities of Princeton and New Brunswick.
-
C.
Berkshire Connector
The Berkshire Connector is a tolled highway segment in New York that links the New York State Thruway with the Massachusetts Turnpike, facilitating east–west travel between the two states.
-
D.
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.
-
E.
Boston–Portland main line
chosen
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.
- F. None of above.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: extendedMarket Context triple: [Amtrak Downeaster, extendedMarket, Boston–Brunswick corridor]
-
A.
extendedIn
Indicates that one entity continues, prolongs, or expands the scope, duration, or range of another entity.
-
B.
extendedInCase
Indicates that one entity is lengthened, prolonged, or expanded when a particular condition or case applies.
-
C.
extensionPotential
Indicates the potential or likelihood that an existing arrangement, contract, or state will be extended beyond its current term or scope.
-
D.
extendedFrom
Indicates that one entity is derived by adding to or building upon the scope, content, or structure of another entity.
-
E.
extendsBeyond
Indicates that one entity continues past or surpasses the spatial, temporal, or conceptual limits of another entity.
- F. None of above. chosen
Provenance (7 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_69d822e9b9e08190bedcc31a163fda82 |
completed | April 9, 2026, 10:06 p.m. |
| NER | Named-entity recognition | batch_69dec81485e08190be35baafcf22b6f2 |
completed | April 14, 2026, 11:04 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fe24b41df881908119e183b8299c48 |
completed | May 8, 2026, 6 p.m. |
| NEDg | Description generation | batch_69fe276bff648190a6be5d25182accd5 |
completed | May 8, 2026, 6:11 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69fe27c3fce48190914e2a84b1de527c |
completed | May 8, 2026, 6:13 p.m. |
| PD | Predicate disambiguation | batch_69de8c02e5c08190943c27594026faf7 |
completed | April 14, 2026, 6:48 p.m. |
| PDg | Predicate description generation | batch_69de8f4b67cc8190b84b59fcec5cf579 |
completed | April 14, 2026, 7:02 p.m. |
Created at: April 10, 2026, 1:31 a.m.