Triple
T254305
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metrobus (Washington, D.C.) |
E5403
|
entity |
| Predicate | isPublicTransportSystemOf |
P941
|
FINISHED |
| Object | Washington metropolitan area |
E514
|
NE FINISHED |
How this triple was built (3 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: [Metrobus (Washington, D.C.), isPublicTransportSystemOf, Washington metropolitan area]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Washington metropolitan area Context triple: [Metrobus (Washington, D.C.), isPublicTransportSystemOf, Washington metropolitan area]
-
A.
Washington metropolitan area
chosen
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.
-
B.
Southeast Washington, D.C.
Southeast Washington, D.C. is a quadrant of the U.S. capital city known for its historic neighborhoods, including Capitol Hill, as well as major federal landmarks and rapidly redeveloping residential and commercial areas.
-
C.
National Capital Region
The National Capital Region is the federally designated area encompassing Canada’s capital, Ottawa, and its surrounding communities, serving as the administrative and symbolic heart of the country.
-
D.
Southwest Washington, D.C.
Southwest Washington, D.C. is a primarily residential and waterfront quadrant of the U.S. capital known for its redevelopment, cultural venues, and proximity to major federal landmarks.
-
E.
Northeast Washington, D.C.
Northeast Washington, D.C. is a largely residential quadrant of the U.S. capital that includes historic neighborhoods, commercial corridors, and parts of the city’s political and cultural core.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: isPublicTransportSystemOf Context triple: [Metrobus (Washington, D.C.), isPublicTransportSystemOf, Washington metropolitan area]
-
A.
busSystemName
Indicates that a bus system is identified or referred to by a specific name.
-
B.
hasLightRailSystem
Indicates that a place possesses and operates a light rail transit system.
-
C.
hasPublicTransportConnection
Indicates that there is an available public transportation link or service connecting the related entities.
-
D.
hasTransportationSystem
chosen
Indicates that an entity possesses, operates, or is served by an organized system for transporting people or goods.
-
E.
hasRailSystem
Indicates that an entity possesses or is served by a rail-based transportation system.
- F. None of above.
Provenance (4 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_69a2580a64ac8190ad76e34bb0715b5e |
completed | Feb. 28, 2026, 2:50 a.m. |
| NER | Named-entity recognition | batch_69a25d548cac819081b1636b2a057c62 |
completed | Feb. 28, 2026, 3:13 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a4528ce1b88190b4f14cadd58f8001 |
completed | March 1, 2026, 2:51 p.m. |
| PD | Predicate disambiguation | batch_69a25b694c08819085bb4b256fa7736f |
completed | Feb. 28, 2026, 3:05 a.m. |
Created at: Feb. 28, 2026, 2:55 a.m.