Triple
T5722559
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | House of Representatives office buildings |
E126179
|
entity |
| Predicate | connectedTo |
P37
|
FINISHED |
| Object |
United States Capitol Subway System
The United States Capitol Subway System is a small network of underground rail lines that transports members of Congress and staff between the Capitol and nearby congressional office buildings in Washington, D.C.
|
E541364
|
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: United States Capitol Subway System | Statement: [House of Representatives office buildings, connectedTo, United States Capitol Subway System]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: United States Capitol Subway System Context triple: [House of Representatives office buildings, connectedTo, United States Capitol Subway System]
-
A.
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.
-
B.
Roosevelt Island Tramway
The Roosevelt Island Tramway is an aerial cable car system in New York City that connects Roosevelt Island to Manhattan, offering both public transit and scenic views of the skyline.
-
C.
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.
-
D.
Smithsonian Metro station
Smithsonian Metro station is a Washington, D.C. Metrorail stop on the National Mall that serves major museums and monuments including the Smithsonian Institution.
-
E.
Metrorail
Metrorail is the rapid transit system serving the Washington, D.C. metropolitan area, operated by the Washington Metropolitan Area Transit Authority (WMATA).
- 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: United States Capitol Subway System Triple: [House of Representatives office buildings, connectedTo, United States Capitol Subway System]
Generated description
The United States Capitol Subway System is a small network of underground rail lines that transports members of Congress and staff between the Capitol and nearby congressional office buildings in Washington, D.C.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: United States Capitol Subway System Target entity description: The United States Capitol Subway System is a small network of underground rail lines that transports members of Congress and staff between the Capitol and nearby congressional office buildings in Washington, D.C.
-
A.
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.
-
B.
Roosevelt Island Tramway
The Roosevelt Island Tramway is an aerial cable car system in New York City that connects Roosevelt Island to Manhattan, offering both public transit and scenic views of the skyline.
-
C.
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.
-
D.
Smithsonian Metro station
Smithsonian Metro station is a Washington, D.C. Metrorail stop on the National Mall that serves major museums and monuments including the Smithsonian Institution.
-
E.
Metrorail
Metrorail is the rapid transit system serving the Washington, D.C. metropolitan area, operated by the Washington Metropolitan Area Transit Authority (WMATA).
- 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_69c0082f723881908ce8bb13a0c0f8b7 |
completed | March 22, 2026, 3:18 p.m. |
| NER | Named-entity recognition | batch_69c024e6c444819089270b188e60cc67 |
completed | March 22, 2026, 5:20 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c05a80aefc8190b6ea35ab405ea502 |
completed | March 22, 2026, 9:09 p.m. |
| NEDg | Description generation | batch_69c05c7663388190ab491144149532a4 |
completed | March 22, 2026, 9:17 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c05d2ef9488190ac0111cb6a94b1d0 |
completed | March 22, 2026, 9:20 p.m. |
Created at: March 22, 2026, 3:46 p.m.