Triple
T4658603
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Portland METRO bus system |
E102471
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Greater Portland Transit District |
E102471
|
NE FINISHED |
How this triple was built (2 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: Greater Portland Transit District | Statement: [Portland METRO bus system, operator, Greater Portland Transit District]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Greater Portland Transit District Context triple: [Portland METRO bus system, operator, Greater Portland Transit District]
-
A.
Lane Transit District
Lane Transit District is the public transportation agency serving Eugene, Springfield, and surrounding communities in Lane County, Oregon, operating bus and bus rapid transit services.
-
B.
TriMet
TriMet is the regional public transportation agency serving the Portland, Oregon metropolitan area, operating buses, light rail, and commuter rail services.
-
C.
Portland Bureau of Transportation
The Portland Bureau of Transportation is the city agency responsible for planning, building, managing, and maintaining Portland, Oregon’s transportation infrastructure and services.
-
D.
Portland METRO bus system
chosen
The Portland METRO bus system is the primary public transit network serving the Greater Portland, Maine area, providing fixed-route bus service connecting downtown, surrounding neighborhoods, and nearby communities.
-
E.
TriMet Zone 1
TriMet Zone 1 was a former central fare zone in Portland’s public transit system that included areas such as the Lloyd District.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69bd43d823288190952279faa0d1d066 |
completed | March 20, 2026, 12:55 p.m. |
| NER | Named-entity recognition | batch_69bd63271a548190bd9662b69a45d9a5 |
completed | March 20, 2026, 3:09 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be1040dbdc8190b9ab7b0b58bca308 |
completed | March 21, 2026, 3:28 a.m. |
Created at: March 20, 2026, 1:15 p.m.