Triple
T570630
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Green Line (Washington Metro) |
E13654
|
entity |
| Predicate | station |
P726
|
FINISHED |
| Object |
Fort Totten station
Fort Totten station is a major Washington Metro transfer hub in Northeast D.C. where the Red Line intersects with the Green and Yellow Lines.
|
E94448
|
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: Fort Totten station | Statement: [Green Line (Washington Metro), station, Fort Totten station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Fort Totten station Context triple: [Green Line (Washington Metro), station, Fort Totten station]
-
A.
North Bridge station
North Bridge station was an early railway terminus in Edinburgh that later became part of what is now Edinburgh Waverley station.
-
B.
Belmont Center station
Belmont Center station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop located in the commercial center of Belmont, Massachusetts.
-
C.
Suitland station
Suitland station is a Washington Metro station in Prince George's County, Maryland, serving the Suitland Federal Center and surrounding community.
-
D.
Winchester Center station
Winchester Center station is a commuter rail station in Winchester, Massachusetts, serving MBTA's Lowell Line north of Boston.
-
E.
White Plains station
White Plains station is a major Metro-North Railroad commuter rail hub in downtown White Plains, New York, providing frequent service to New York City and surrounding suburbs.
- 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: Fort Totten station Triple: [Green Line (Washington Metro), station, Fort Totten station]
Generated description
Fort Totten station is a major Washington Metro transfer hub in Northeast D.C. where the Red Line intersects with the Green and Yellow Lines.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Fort Totten station Target entity description: Fort Totten station is a major Washington Metro transfer hub in Northeast D.C. where the Red Line intersects with the Green and Yellow Lines.
-
A.
North Bridge station
North Bridge station was an early railway terminus in Edinburgh that later became part of what is now Edinburgh Waverley station.
-
B.
Belmont Center station
Belmont Center station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop located in the commercial center of Belmont, Massachusetts.
-
C.
Suitland station
Suitland station is a Washington Metro station in Prince George's County, Maryland, serving the Suitland Federal Center and surrounding community.
-
D.
Winchester Center station
Winchester Center station is a commuter rail station in Winchester, Massachusetts, serving MBTA's Lowell Line north of Boston.
-
E.
White Plains station
White Plains station is a major Metro-North Railroad commuter rail hub in downtown White Plains, New York, providing frequent service to New York City and surrounding suburbs.
- 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_69a4933fa4d88190a7949cc83c08c5c1 |
completed | March 1, 2026, 7:27 p.m. |
| NER | Named-entity recognition | batch_69a49b057e708190b4e5975516e58993 |
completed | March 1, 2026, 8:01 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a67eec3dfc8190bacde41a21cbf219 |
completed | March 3, 2026, 6:25 a.m. |
| NEDg | Description generation | batch_69a67f6615188190ad526ba0875209a9 |
completed | March 3, 2026, 6:27 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a6808069e08190bc6df238c91d24c4 |
completed | March 3, 2026, 6:32 a.m. |
Created at: March 1, 2026, 7:33 p.m.