Triple
T137444
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Washington Metropolitan Area Transit Authority |
E2776
|
entity |
| Predicate | busSystemName |
P5907
|
FINISHED |
| Object | Metrobus |
E5403
|
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: Metrobus | Statement: [Washington Metropolitan Area Transit Authority, busSystemName, Metrobus]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Metrobus Context triple: [Washington Metropolitan Area Transit Authority, busSystemName, Metrobus]
-
A.
Metrobus
chosen
Metrobus is the public bus transit system serving the Washington, D.C. metropolitan area, operated alongside the Metrorail network by the Washington Metropolitan Area Transit Authority (WMATA).
-
B.
Metro Bus
Metro Bus is the primary public bus service network for Los Angeles County, providing extensive local and rapid transit across the region.
-
C.
Metrobús
Metrobús is Mexico City’s bus rapid transit system, featuring dedicated lanes and high-capacity articulated buses to provide efficient urban transportation across the metropolis.
-
D.
Pace Suburban Bus
Pace Suburban Bus is a public transportation agency serving the suburban areas of the Chicago metropolitan region with bus and paratransit services.
-
E.
TransMilenio bus rapid transit
TransMilenio bus rapid transit is Bogotá’s high-capacity, bus-based mass transit system known for its dedicated lanes, large articulated buses, and station-based fare collection designed to improve urban mobility.
- 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: busSystemName Context triple: [Washington Metropolitan Area Transit Authority, busSystemName, Metrobus]
-
A.
hasBusInterchange
Indicates that one transport-related entity includes, contains, or is associated with a bus interchange facility.
-
B.
hasLightRailSystem
Indicates that a place possesses and operates a light rail transit system.
-
C.
transportType
Indicates the mode or means of transportation used in carrying something or someone from one place to another.
-
D.
hasTransportationSystem
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. 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_69a2521e35c08190b28e5c9f1e3c9b59 |
completed | Feb. 28, 2026, 2:25 a.m. |
| NER | Named-entity recognition | batch_69a257a6cab88190944c8f74d8d1605c |
completed | Feb. 28, 2026, 2:49 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a30cc33a10819087668612b65e1eb5 |
completed | Feb. 28, 2026, 3:41 p.m. |
| PD | Predicate disambiguation | batch_69a25652efdc8190b85b33735a9e6370 |
completed | Feb. 28, 2026, 2:43 a.m. |
| PDg | Predicate description generation | batch_69a2570f45bc81909ebba7ee5f602976 |
completed | Feb. 28, 2026, 2:46 a.m. |
Created at: Feb. 28, 2026, 2:31 a.m.