Triple
T3414
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Arlington, Virginia |
E64
|
entity |
| Predicate | locatedInMetropolitanArea |
P294
|
FINISHED |
| Object |
Washington metropolitan area
The Washington metropolitan area is a major U.S. urban region centered on the nation’s capital, encompassing Washington, D.C. and its surrounding suburbs in Maryland, Virginia, and West Virginia.
|
E514
|
NE FINISHED |
How this triple was built (5 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 metropolitan area | Statement: [Arlington, Virginia, locatedInMetropolitanArea, Washington metropolitan area]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Washington metropolitan area Context triple: [Arlington, Virginia, locatedInMetropolitanArea, Washington metropolitan area]
-
A.
Arlington, Virginia
Arlington, Virginia is an urban county directly across the Potomac River from Washington, D.C., known for its dense development, federal government agencies, and landmarks such as the Pentagon and Arlington National Cemetery.
-
B.
Washington, D.C.
Washington, D.C. is the capital city of the United States, serving as the nation’s political center and home to its federal government institutions.
-
C.
Greater Boston
Greater Boston is the metropolitan region centered on the city of Boston, Massachusetts, encompassing numerous surrounding cities and towns and serving as a major hub for education, technology, and culture in New England.
-
D.
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.
-
E.
Philadelphia
Philadelphia is a major historic U.S. city in Pennsylvania known for its role in the American Revolution, iconic landmarks like Independence Hall and the Liberty Bell, and its rich cultural and academic institutions.
- 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 metropolitan area Triple: [Arlington, Virginia, locatedInMetropolitanArea, Washington metropolitan area]
Generated description
The Washington metropolitan area is a major U.S. urban region centered on the nation’s capital, encompassing Washington, D.C. and its surrounding suburbs in Maryland, Virginia, and West Virginia.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Washington metropolitan area Target entity description: The Washington metropolitan area is a major U.S. urban region centered on the nation’s capital, encompassing Washington, D.C. and its surrounding suburbs in Maryland, Virginia, and West Virginia.
-
A.
Arlington, Virginia
Arlington, Virginia is an urban county directly across the Potomac River from Washington, D.C., known for its dense development, federal government agencies, and landmarks such as the Pentagon and Arlington National Cemetery.
-
B.
Washington, D.C.
Washington, D.C. is the capital city of the United States, serving as the nation’s political center and home to its federal government institutions.
-
C.
Greater Boston
Greater Boston is the metropolitan region centered on the city of Boston, Massachusetts, encompassing numerous surrounding cities and towns and serving as a major hub for education, technology, and culture in New England.
-
D.
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.
-
E.
Philadelphia
Philadelphia is a major historic U.S. city in Pennsylvania known for its role in the American Revolution, iconic landmarks like Independence Hall and the Liberty Bell, and its rich cultural and academic institutions.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: locatedInMetropolitanArea Context triple: [Arlington, Virginia, locatedInMetropolitanArea, Washington metropolitan area]
-
A.
partOfMetropolitanArea
chosen
Indicates that one place is included within and belongs to the larger metropolitan area of another place.
-
B.
locatedIn
Indicates that one entity exists or is situated within the spatial, administrative, or conceptual boundaries of another entity.
-
C.
hasMajorCity
Indicates that a location possesses at least one city of significant size, importance, or influence within its region or country.
-
D.
isLargestCityIn
Indicates that one city has the greatest population or size compared to all other cities within a specified region or administrative area.
-
E.
isMajorCenterOf
Indicates that a place serves as a primary hub or focal point for a particular activity, function, or domain.
- F. None of above.
Provenance (6 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_69a238d6b47881909e68288aed2fd858 |
completed | Feb. 28, 2026, 12:37 a.m. |
| NER | Named-entity recognition | batch_69a23bcc8eb48190b897cc331563980a |
completed | Feb. 28, 2026, 12:50 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a23d860c2881909010e0310acaf10f |
completed | Feb. 28, 2026, 12:57 a.m. |
| NEDg | Description generation | batch_69a23ffe6b4081908f9d04b169a7bed8 |
completed | Feb. 28, 2026, 1:08 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a2406bedd081909e8704cef5ab08dd |
completed | Feb. 28, 2026, 1:10 a.m. |
| PD | Predicate disambiguation | batch_69a23994309081909ff3e869deef2156 |
completed | Feb. 28, 2026, 12:40 a.m. |
Created at: Feb. 28, 2026, 12:40 a.m.