Triple
T14773043
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak Downeaster |
E347183
|
entity |
| Predicate | endPoint |
P390
|
FINISHED |
| Object |
Brunswick Maine Street Station
Brunswick Maine Street Station is a passenger rail station in Brunswick, Maine that serves as the northern terminus of Amtrak’s Downeaster service and a key local transportation hub.
|
E1119476
|
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: Brunswick Maine Street Station | Statement: [Amtrak Downeaster, endPoint, Brunswick Maine Street Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Brunswick Maine Street Station Context triple: [Amtrak Downeaster, endPoint, Brunswick Maine Street Station]
-
A.
Brunswick station
Brunswick station is a passenger rail station in Brunswick, Maryland, serving as the western endpoint of MARC's Brunswick Line commuter service.
-
B.
Bowdoin station
Bowdoin station is an underground Massachusetts Bay Transportation Authority subway station in downtown Boston serving the Blue Line near Government Center.
-
C.
Union Station (Bangor, Maine)
Union Station (Bangor, Maine) was a historic railroad station that served as a major passenger and freight hub for Bangor and the surrounding region in the late 19th and early 20th centuries.
-
D.
New Britain Station
New Britain Station is a major bus rapid transit hub in New Britain, Connecticut, serving as a key stop on the CTfastrak system.
-
E.
Union Station (Portland, Maine)
Union Station (Portland, Maine) was a prominent 19th-century railroad station in Portland that served as a major regional transportation hub before its demolition in the 1960s.
- 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: Brunswick Maine Street Station Triple: [Amtrak Downeaster, endPoint, Brunswick Maine Street Station]
Generated description
Brunswick Maine Street Station is a passenger rail station in Brunswick, Maine that serves as the northern terminus of Amtrak’s Downeaster service and a key local transportation hub.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Brunswick Maine Street Station Target entity description: Brunswick Maine Street Station is a passenger rail station in Brunswick, Maine that serves as the northern terminus of Amtrak’s Downeaster service and a key local transportation hub.
-
A.
Brunswick station
Brunswick station is a passenger rail station in Brunswick, Maryland, serving as the western endpoint of MARC's Brunswick Line commuter service.
-
B.
Bowdoin station
Bowdoin station is an underground Massachusetts Bay Transportation Authority subway station in downtown Boston serving the Blue Line near Government Center.
-
C.
Union Station (Bangor, Maine)
Union Station (Bangor, Maine) was a historic railroad station that served as a major passenger and freight hub for Bangor and the surrounding region in the late 19th and early 20th centuries.
-
D.
New Britain Station
New Britain Station is a major bus rapid transit hub in New Britain, Connecticut, serving as a key stop on the CTfastrak system.
-
E.
Union Station (Portland, Maine)
Union Station (Portland, Maine) was a prominent 19th-century railroad station in Portland that served as a major regional transportation hub before its demolition in the 1960s.
- 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_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_69fe0cfd26fc81909fba39c8705437ed |
completed | May 8, 2026, 4:19 p.m. |
| NEDg | Description generation | batch_69fe17fc37ec8190b2e9c786a5e7843e |
completed | May 8, 2026, 5:06 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69fe18786294819080ce5ee0d8af00c9 |
completed | May 8, 2026, 5:08 p.m. |
Created at: April 10, 2026, 1:31 a.m.