Triple
T4378
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Portland, Oregon, United States |
E84
|
entity |
| Predicate | hasPublicTransitSystem |
P105
|
FINISHED |
| Object |
TriMet
TriMet is the regional public transportation agency serving the Portland, Oregon metropolitan area, operating buses, light rail, and commuter rail services.
|
E1080
|
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: TriMet | Statement: [Portland, Oregon, United States, hasPublicTransitSystem, TriMet]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: TriMet Context triple: [Portland, Oregon, United States, hasPublicTransitSystem, TriMet]
-
A.
Chicago Transit Authority
The Chicago Transit Authority is the primary public transportation agency serving Chicago and several surrounding suburbs, operating the city’s extensive network of buses and rapid transit trains.
-
B.
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.
-
C.
MBTA Fitchburg Line
The MBTA Fitchburg Line is a commuter rail route in the Greater Boston area that runs between Boston and Fitchburg, serving numerous suburban communities along the way.
-
D.
Portland, Oregon, United States
Portland, Oregon, United States is a major Pacific Northwest city known for its vibrant arts scene, progressive culture, and lush natural surroundings.
-
E.
Union Station
Union Station is a historic Beaux-Arts transportation hub and major intercity rail terminal in Washington, D.C., serving as a gateway to the U.S. capital.
- 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: TriMet Triple: [Portland, Oregon, United States, hasPublicTransitSystem, TriMet]
Generated description
TriMet is the regional public transportation agency serving the Portland, Oregon metropolitan area, operating buses, light rail, and commuter rail services.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: TriMet Target entity description: TriMet is the regional public transportation agency serving the Portland, Oregon metropolitan area, operating buses, light rail, and commuter rail services.
-
A.
Chicago Transit Authority
The Chicago Transit Authority is the primary public transportation agency serving Chicago and several surrounding suburbs, operating the city’s extensive network of buses and rapid transit trains.
-
B.
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.
-
C.
MBTA Fitchburg Line
The MBTA Fitchburg Line is a commuter rail route in the Greater Boston area that runs between Boston and Fitchburg, serving numerous suburban communities along the way.
-
D.
Portland, Oregon, United States
Portland, Oregon, United States is a major Pacific Northwest city known for its vibrant arts scene, progressive culture, and lush natural surroundings.
-
E.
Union Station
Union Station is a historic Beaux-Arts transportation hub and major intercity rail terminal in Washington, D.C., serving as a gateway to the U.S. capital.
- 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_69a238d6b47881909e68288aed2fd858 |
completed | Feb. 28, 2026, 12:37 a.m. |
| NER | Named-entity recognition | batch_69a2399c646c8190b4977ed56b8835a8 |
completed | Feb. 28, 2026, 12:41 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a243c6f10c81908305b9e03c79a6ae |
completed | Feb. 28, 2026, 1:24 a.m. |
| NEDg | Description generation | batch_69a2463b1a8881908e900ed76ae81a4d |
completed | Feb. 28, 2026, 1:34 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a246aa8d6481908a9cc6d66a0c0296 |
completed | Feb. 28, 2026, 1:36 a.m. |
Created at: Feb. 28, 2026, 12:40 a.m.