Triple
T14773045
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak Downeaster |
E347183
|
entity |
| Predicate | viaStation |
P64719
|
FINISHED |
| Object |
Woburn Anderson Regional Transportation Center
Woburn Anderson Regional Transportation Center is a major intermodal transit hub in Woburn, Massachusetts, serving both intercity Amtrak trains and MBTA commuter rail and bus services.
|
E1121192
|
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: Woburn Anderson Regional Transportation Center | Statement: [Amtrak Downeaster, viaStation, Woburn Anderson Regional Transportation Center]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Woburn Anderson Regional Transportation Center Context triple: [Amtrak Downeaster, viaStation, Woburn Anderson Regional Transportation Center]
-
A.
Lowell station
Lowell station is a passenger rail station in Lowell, Massachusetts that serves as the northern terminus of the MBTA Commuter Rail’s Lowell Line.
-
B.
Southborough station
Southborough station is a Massachusetts Bay Transportation Authority commuter rail stop in Southborough, Massachusetts, serving riders on the Framingham/Worcester Line between Worcester and Boston.
-
C.
Worcester Union Station
Worcester Union Station is a historic intermodal transportation hub in Worcester, Massachusetts, serving as a major rail and bus terminal for regional and commuter services.
-
D.
Wellington Station (MBTA)
Wellington Station (MBTA) is an Orange Line rapid transit station in Medford, Massachusetts, serving as a key park-and-ride and bus transfer hub just north of downtown Boston.
-
E.
Westborough station
Westborough station is a Massachusetts Bay Transportation Authority commuter rail stop in Westborough, Massachusetts, serving riders on the Framingham/Worcester Line between Worcester and Boston.
- 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: Woburn Anderson Regional Transportation Center Triple: [Amtrak Downeaster, viaStation, Woburn Anderson Regional Transportation Center]
Generated description
Woburn Anderson Regional Transportation Center is a major intermodal transit hub in Woburn, Massachusetts, serving both intercity Amtrak trains and MBTA commuter rail and bus services.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Woburn Anderson Regional Transportation Center Target entity description: Woburn Anderson Regional Transportation Center is a major intermodal transit hub in Woburn, Massachusetts, serving both intercity Amtrak trains and MBTA commuter rail and bus services.
-
A.
Lowell station
Lowell station is a passenger rail station in Lowell, Massachusetts that serves as the northern terminus of the MBTA Commuter Rail’s Lowell Line.
-
B.
Southborough station
Southborough station is a Massachusetts Bay Transportation Authority commuter rail stop in Southborough, Massachusetts, serving riders on the Framingham/Worcester Line between Worcester and Boston.
-
C.
Worcester Union Station
Worcester Union Station is a historic intermodal transportation hub in Worcester, Massachusetts, serving as a major rail and bus terminal for regional and commuter services.
-
D.
Wellington Station (MBTA)
Wellington Station (MBTA) is an Orange Line rapid transit station in Medford, Massachusetts, serving as a key park-and-ride and bus transfer hub just north of downtown Boston.
-
E.
Westborough station
Westborough station is a Massachusetts Bay Transportation Authority commuter rail stop in Westborough, Massachusetts, serving riders on the Framingham/Worcester Line between Worcester and Boston.
- 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_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. |
Created at: April 10, 2026, 1:31 a.m.