Triple
T1058816
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Blue Line (Washington Metro) |
E22857
|
entity |
| Predicate | stationServed |
P6301
|
FINISHED |
| Object |
Ronald Reagan Washington National Airport station
Ronald Reagan Washington National Airport station is a Washington Metro rail station in Arlington, Virginia that directly serves the airport’s terminals.
|
E170290
|
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: Ronald Reagan Washington National Airport station | Statement: [Blue Line (Washington Metro), stationServed, Ronald Reagan Washington National Airport station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ronald Reagan Washington National Airport station Context triple: [Blue Line (Washington Metro), stationServed, Ronald Reagan Washington National Airport station]
-
A.
Dulles International Airport station
Dulles International Airport station is a Washington Metro rail station on the Silver Line that provides direct transit access to Washington Dulles International Airport.
-
B.
Ronald Reagan Washington National Airport
Ronald Reagan Washington National Airport is a major commercial airport serving the Washington, D.C. metropolitan area, located in Arlington, Virginia just across the Potomac River from the U.S. capital.
-
C.
Pentagon City station
Pentagon City station is a Washington Metro rapid transit stop in Arlington, Virginia, serving the Pentagon City neighborhood and its adjacent shopping and office complexes.
-
D.
Herndon station
Herndon station is a Washington Metro rail station in Herndon, Virginia, on the Silver Line serving the Dulles Technology Corridor and surrounding suburbs.
-
E.
Reston Town Center station
Reston Town Center station is a Washington Metro rail station in Reston, Virginia, providing access to the Reston Town Center area along the Silver 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: Ronald Reagan Washington National Airport station Triple: [Blue Line (Washington Metro), stationServed, Ronald Reagan Washington National Airport station]
Generated description
Ronald Reagan Washington National Airport station is a Washington Metro rail station in Arlington, Virginia that directly serves the airport’s terminals.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Ronald Reagan Washington National Airport station Target entity description: Ronald Reagan Washington National Airport station is a Washington Metro rail station in Arlington, Virginia that directly serves the airport’s terminals.
-
A.
Dulles International Airport station
Dulles International Airport station is a Washington Metro rail station on the Silver Line that provides direct transit access to Washington Dulles International Airport.
-
B.
Ronald Reagan Washington National Airport
Ronald Reagan Washington National Airport is a major commercial airport serving the Washington, D.C. metropolitan area, located in Arlington, Virginia just across the Potomac River from the U.S. capital.
-
C.
Pentagon City station
Pentagon City station is a Washington Metro rapid transit stop in Arlington, Virginia, serving the Pentagon City neighborhood and its adjacent shopping and office complexes.
-
D.
Herndon station
Herndon station is a Washington Metro rail station in Herndon, Virginia, on the Silver Line serving the Dulles Technology Corridor and surrounding suburbs.
-
E.
Reston Town Center station
Reston Town Center station is a Washington Metro rail station in Reston, Virginia, providing access to the Reston Town Center area along the Silver 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_69a493dada0481909c43649f9843ea91 |
completed | March 1, 2026, 7:30 p.m. |
| NER | Named-entity recognition | batch_69a4bb7320f88190a8428946541df157 |
completed | March 1, 2026, 10:19 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad1c8ee9dc8190b9f6a46841003e8a |
completed | March 8, 2026, 6:51 a.m. |
| NEDg | Description generation | batch_69ad1db1c6008190bbe61bad1a2a7e72 |
completed | March 8, 2026, 6:56 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ad1e1e9fa081909201036f686fa110 |
completed | March 8, 2026, 6:58 a.m. |
Created at: March 1, 2026, 7:42 p.m.