Triple
T1217893
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Red Line (Washington Metro) |
E26147
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Bethesda station
Bethesda station is an underground Washington Metro station in Bethesda, Maryland, serving the Red Line and the surrounding downtown commercial district.
|
E149068
|
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: Bethesda station | Statement: [Red Line (Washington Metro), hasStation, Bethesda station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bethesda station Context triple: [Red Line (Washington Metro), hasStation, Bethesda station]
-
A.
Howard station
Howard station is a major Chicago Transit Authority rail terminal on the city's North Side that serves as a key hub for the Red, Purple, and Yellow Lines.
-
B.
Suburban Station
Suburban Station is a major underground commuter rail hub in Center City Philadelphia that serves as a key node in the SEPTA Regional Rail network.
-
C.
Wilson station
Wilson station is a Toronto Transit Commission subway station on Line 1 Yonge–University in North York, serving the surrounding residential, commercial, and industrial areas.
-
D.
Austin station
Austin station is a Chicago Transit Authority rapid transit stop on the Green Line located in the Austin neighborhood on the city's West Side.
-
E.
Logan station
Logan station is an underground rapid transit stop in Philadelphia, Pennsylvania, serving the Logan neighborhood on SEPTA’s Broad Street 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: Bethesda station Triple: [Red Line (Washington Metro), hasStation, Bethesda station]
Generated description
Bethesda station is an underground Washington Metro station in Bethesda, Maryland, serving the Red Line and the surrounding downtown commercial district.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Bethesda station Target entity description: Bethesda station is an underground Washington Metro station in Bethesda, Maryland, serving the Red Line and the surrounding downtown commercial district.
-
A.
Howard station
Howard station is a major Chicago Transit Authority rail terminal on the city's North Side that serves as a key hub for the Red, Purple, and Yellow Lines.
-
B.
Suburban Station
Suburban Station is a major underground commuter rail hub in Center City Philadelphia that serves as a key node in the SEPTA Regional Rail network.
-
C.
Wilson station
Wilson station is a Toronto Transit Commission subway station on Line 1 Yonge–University in North York, serving the surrounding residential, commercial, and industrial areas.
-
D.
Austin station
Austin station is a Chicago Transit Authority rapid transit stop on the Green Line located in the Austin neighborhood on the city's West Side.
-
E.
Logan station
Logan station is an underground rapid transit stop in Philadelphia, Pennsylvania, serving the Logan neighborhood on SEPTA’s Broad Street 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_69a4948331fc8190b531ac9bec71c491 |
completed | March 1, 2026, 7:33 p.m. |
| NER | Named-entity recognition | batch_69a4be08157c8190b248bb75b922644f |
completed | March 1, 2026, 10:30 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69acb2f8a4208190bfcfeccc886de987 |
completed | March 7, 2026, 11:21 p.m. |
| NEDg | Description generation | batch_69acb3b3e1cc819095590887896a67aa |
completed | March 7, 2026, 11:24 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69acb42f96f88190909efa3342b88e70 |
completed | March 7, 2026, 11:26 p.m. |
Created at: March 1, 2026, 7:46 p.m.