Triple
T15965870
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | NS Washington District |
E387188
|
entity |
| Predicate | hasAccess |
P273
|
FINISHED |
| Object |
Washington, D.C. rail gateway
The Washington, D.C. rail gateway is a major rail corridor and junction that channels passenger and freight trains into and through the Washington, D.C. metropolitan area.
|
E1185974
|
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, D.C. rail gateway | Statement: [NS Washington District, hasAccess, Washington, D.C. rail gateway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Washington, D.C. rail gateway Context triple: [NS Washington District, hasAccess, Washington, D.C. rail gateway]
-
A.
Union Station Rail Corridor
The Union Station Rail Corridor is a major railway corridor in downtown Toronto that serves as the central hub for numerous commuter and intercity train services.
-
B.
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.
-
C.
Crystal City station
Crystal City station is an underground Washington Metro stop in Arlington, Virginia, serving the Crystal City business district and nearby Reagan National Airport.
-
D.
Arlington station
Arlington station is an underground light rail stop on Boston's MBTA Green Line located near the Back Bay and Boston Public Garden.
-
E.
Washington Metro
Washington Metro is the rapid transit system serving the Washington, D.C. metropolitan area, known for its extensive rail network connecting the city with its suburbs in Maryland and Virginia.
- 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, D.C. rail gateway Triple: [NS Washington District, hasAccess, Washington, D.C. rail gateway]
Generated description
The Washington, D.C. rail gateway is a major rail corridor and junction that channels passenger and freight trains into and through the Washington, D.C. metropolitan area.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Washington, D.C. rail gateway Target entity description: The Washington, D.C. rail gateway is a major rail corridor and junction that channels passenger and freight trains into and through the Washington, D.C. metropolitan area.
-
A.
Union Station Rail Corridor
The Union Station Rail Corridor is a major railway corridor in downtown Toronto that serves as the central hub for numerous commuter and intercity train services.
-
B.
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.
-
C.
Crystal City station
Crystal City station is an underground Washington Metro stop in Arlington, Virginia, serving the Crystal City business district and nearby Reagan National Airport.
-
D.
Arlington station
Arlington station is an underground light rail stop on Boston's MBTA Green Line located near the Back Bay and Boston Public Garden.
-
E.
Washington Metro
Washington Metro is the rapid transit system serving the Washington, D.C. metropolitan area, known for its extensive rail network connecting the city with its suburbs in Maryland and Virginia.
- 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_69d86da94ccc819083d187f5dc6a123e |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e157258b3c8190a72c868bd055ed94 |
completed | April 16, 2026, 9:39 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ffbe87149081909ac6129126f597c2 |
completed | May 9, 2026, 11:08 p.m. |
| NEDg | Description generation | batch_69ffbf3e80b08190899262a9d03c0e93 |
completed | May 9, 2026, 11:11 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ffbfc0d1548190b7d2e9e10e837f0b |
completed | May 9, 2026, 11:14 p.m. |
Created at: April 10, 2026, 4:54 a.m.