Triple
T21243851
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Charles/MGH station |
E523551
|
entity |
| Predicate | formerName |
P65
|
FINISHED |
| Object |
Charles station
Charles station is a former name for the Charles/MGH rapid transit station on Boston’s MBTA Red Line, located near Massachusetts General Hospital and the Charles River.
|
E1472885
|
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: Charles station | Statement: [Charles/MGH station, formerName, Charles station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Charles station Context triple: [Charles/MGH station, formerName, Charles station]
-
A.
Walker station
Walker station was the former name of a Tyne and Wear Metro station in Newcastle upon Tyne, England, now known as Walkergate Metro station.
-
B.
Elizabeth station
Elizabeth station is a key New Jersey Transit rail stop in Elizabeth, New Jersey, providing commuter access along major regional routes including the busy Northeast Corridor.
-
C.
Elizabeth station
Elizabeth station is a railway station serving the suburb of Elizabeth in Adelaide, South Australia, providing commuter rail services on the Gawler line.
-
D.
Andrew station
Andrew station is a rapid transit station in South Boston serving the Massachusetts Bay Transportation Authority's Red Line.
-
E.
Ryers station
Ryers station is a commuter rail stop in Philadelphia, Pennsylvania, served by SEPTA's Fox Chase Line.
- 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: Charles station Triple: [Charles/MGH station, formerName, Charles station]
Generated description
Charles station is a former name for the Charles/MGH rapid transit station on Boston’s MBTA Red Line, located near Massachusetts General Hospital and the Charles River.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Charles station Target entity description: Charles station is a former name for the Charles/MGH rapid transit station on Boston’s MBTA Red Line, located near Massachusetts General Hospital and the Charles River.
-
A.
Walker station
Walker station was the former name of a Tyne and Wear Metro station in Newcastle upon Tyne, England, now known as Walkergate Metro station.
-
B.
Elizabeth station
Elizabeth station is a key New Jersey Transit rail stop in Elizabeth, New Jersey, providing commuter access along major regional routes including the busy Northeast Corridor.
-
C.
Elizabeth station
Elizabeth station is a railway station serving the suburb of Elizabeth in Adelaide, South Australia, providing commuter rail services on the Gawler line.
-
D.
Andrew station
Andrew station is a rapid transit station in South Boston serving the Massachusetts Bay Transportation Authority's Red Line.
-
E.
Ryers station
Ryers station is a commuter rail stop in Philadelphia, Pennsylvania, served by SEPTA's Fox Chase Line.
- 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_69e0b513b89c81908b27147e91368db2 |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e7352507448190ba1f14cef16d69be |
completed | April 21, 2026, 8:28 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0986f705808190ba3a85d2dacb8818 |
completed | May 17, 2026, 9:14 a.m. |
| NEDg | Description generation | batch_6a0988086a648190856057c1327a6ab1 |
completed | May 17, 2026, 9:19 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0988d4ada081909fe532955b204b94 |
completed | May 17, 2026, 9:22 a.m. |
Created at: April 16, 2026, 3:47 p.m.