Triple
T4854895
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Farragut West station |
E108511
|
entity |
| Predicate | category |
P87
|
FINISHED |
| Object |
Washington Metro Blue Line stations
Washington Metro Blue Line stations are the network of rapid transit stops in the Washington, D.C. metropolitan area served by the Blue Line of the Washington Metro system.
|
E475030
|
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: Washington Metro Blue Line stations | Statement: [Farragut West station, category, Washington Metro Blue Line stations]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Washington Metro Blue Line stations Context triple: [Farragut West station, category, Washington Metro Blue Line stations]
-
A.
Silver Line (Washington Metro) stations
Silver Line (Washington Metro) stations are the passenger rail stops served by the Silver Line of the Washington, D.C. Metrorail system, primarily connecting downtown Washington with northern Virginia suburbs and Dulles International Airport.
-
B.
Washington Metro Silver Line (nearby stations)
The Washington Metro Silver Line is a rapid transit line in the Washington, D.C. metropolitan area that extends service into Northern Virginia suburbs, including stations near Ashburn.
-
C.
Crystal City station (Washington Metro)
Crystal City station (Washington Metro) is an underground rapid transit station in Arlington, Virginia, serving the Blue and Yellow Lines and providing access to the Crystal City business district near Reagan National Airport.
-
D.
Union Station (Washington Metro)
Union Station is a major Washington Metro station in Washington, D.C., serving as a key transit hub connected to the historic Union Station rail terminal and multiple local and regional transportation services.
-
E.
Washington Metro Red Line
The Washington Metro Red Line is a major rapid transit route in the Washington, D.C. metropolitan area, running through key downtown and suburban corridors as part of the region’s primary subway system.
- 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: Washington Metro Blue Line stations Triple: [Farragut West station, category, Washington Metro Blue Line stations]
Generated description
Washington Metro Blue Line stations are the network of rapid transit stops in the Washington, D.C. metropolitan area served by the Blue Line of the Washington Metro system.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Washington Metro Blue Line stations Target entity description: Washington Metro Blue Line stations are the network of rapid transit stops in the Washington, D.C. metropolitan area served by the Blue Line of the Washington Metro system.
-
A.
Silver Line (Washington Metro) stations
Silver Line (Washington Metro) stations are the passenger rail stops served by the Silver Line of the Washington, D.C. Metrorail system, primarily connecting downtown Washington with northern Virginia suburbs and Dulles International Airport.
-
B.
Washington Metro Silver Line (nearby stations)
The Washington Metro Silver Line is a rapid transit line in the Washington, D.C. metropolitan area that extends service into Northern Virginia suburbs, including stations near Ashburn.
-
C.
Crystal City station (Washington Metro)
Crystal City station (Washington Metro) is an underground rapid transit station in Arlington, Virginia, serving the Blue and Yellow Lines and providing access to the Crystal City business district near Reagan National Airport.
-
D.
Union Station (Washington Metro)
Union Station is a major Washington Metro station in Washington, D.C., serving as a key transit hub connected to the historic Union Station rail terminal and multiple local and regional transportation services.
-
E.
Washington Metro Red Line
The Washington Metro Red Line is a major rapid transit route in the Washington, D.C. metropolitan area, running through key downtown and suburban corridors as part of the region’s primary subway system.
- 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_69bd440a89548190a5f14ba6da6b97dc |
completed | March 20, 2026, 12:56 p.m. |
| NER | Named-entity recognition | batch_69bd6d3c9d7881908c04cef2cb7db745 |
completed | March 20, 2026, 3:52 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be5ce7385c8190897fd2343c0ebeed |
completed | March 21, 2026, 8:55 a.m. |
| NEDg | Description generation | batch_69be5dadcec88190bf9a272c4a9aef9a |
completed | March 21, 2026, 8:58 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69be6159ff7c8190baa116240f76dea5 |
completed | March 21, 2026, 9:14 a.m. |
Created at: March 20, 2026, 1:26 p.m.