Triple
T570639
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Green Line (Washington Metro) |
E13654
|
entity |
| Predicate | station |
P726
|
FINISHED |
| Object |
Waterfront station
Waterfront station is a Washington Metro rapid transit stop in Southwest Washington, D.C., serving the Green Line and the surrounding waterfront neighborhood.
|
E71536
|
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: Waterfront station | Statement: [Green Line (Washington Metro), station, Waterfront station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Waterfront station Context triple: [Green Line (Washington Metro), station, Waterfront station]
-
A.
Riverside station
Riverside station is a major Massachusetts Bay Transportation Authority light rail station and park-and-ride hub located in Newton, Massachusetts.
-
B.
Reservoir station
Reservoir station is a light rail stop on Boston’s MBTA Green Line that serves the D branch near Cleveland Circle in Brookline.
-
C.
Main Terminal Station
Main Terminal Station is the primary AeroTrain stop serving the airport’s central passenger terminal complex.
-
D.
Court House station
Court House station is a Washington Metro rapid transit station serving the Courthouse neighborhood in Arlington, Virginia.
-
E.
Alewife station
Alewife station is a major Boston-area transit hub that serves as the northern terminus of the MBTA Red Line and a key connection point for numerous bus routes.
- 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: Waterfront station Triple: [Green Line (Washington Metro), station, Waterfront station]
Generated description
Waterfront station is a Washington Metro rapid transit stop in Southwest Washington, D.C., serving the Green Line and the surrounding waterfront neighborhood.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Waterfront station Target entity description: Waterfront station is a Washington Metro rapid transit stop in Southwest Washington, D.C., serving the Green Line and the surrounding waterfront neighborhood.
-
A.
Riverside station
Riverside station is a major Massachusetts Bay Transportation Authority light rail station and park-and-ride hub located in Newton, Massachusetts.
-
B.
Reservoir station
Reservoir station is a light rail stop on Boston’s MBTA Green Line that serves the D branch near Cleveland Circle in Brookline.
-
C.
Main Terminal Station
Main Terminal Station is the primary AeroTrain stop serving the airport’s central passenger terminal complex.
-
D.
Court House station
Court House station is a Washington Metro rapid transit station serving the Courthouse neighborhood in Arlington, Virginia.
-
E.
Alewife station
Alewife station is a major Boston-area transit hub that serves as the northern terminus of the MBTA Red Line and a key connection point for numerous bus routes.
- 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_69a4fc8475d881909e80d60fbb50c271 |
completed | March 2, 2026, 2:57 a.m. |
| NEDg | Description generation | batch_69a4fd2938288190b00cb79a10d91150 |
completed | March 2, 2026, 2:59 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a4fdb5f42c81908ce753cd4283962c |
completed | March 2, 2026, 3:02 a.m. |
Created at: March 1, 2026, 7:33 p.m.