Triple
T54847
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Portland Streetcar |
E1081
|
entity |
| Predicate | hasLine |
P35
|
FINISHED |
| Object |
NS Line
The NS Line is a streetcar route in Portland, Oregon, that runs north–south through key neighborhoods and downtown as part of the Portland Streetcar system.
|
E1081
|
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: NS Line | Statement: [Portland Streetcar, hasLine, NS Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: NS Line Context triple: [Portland Streetcar, hasLine, NS Line]
-
A.
C-TRAN
C-TRAN is the public transit agency serving Clark County and the Vancouver, Washington area, providing bus and express services often coordinated with Portland’s TriMet system.
-
B.
Portland Streetcar
Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
-
C.
Metrobus
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).
-
D.
AeroTrain
AeroTrain is an automated underground people mover system that transports passengers between terminals at Washington Dulles International Airport.
-
E.
MAX Yellow Line
The MAX Yellow Line is a light rail service in the Portland, Oregon metropolitan area that connects downtown Portland with North Portland neighborhoods.
- 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: NS Line Triple: [Portland Streetcar, hasLine, NS Line]
Generated description
The NS Line is a streetcar route in Portland, Oregon, that runs north–south through key neighborhoods and downtown as part of the Portland Streetcar system.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: NS Line Target entity description: The NS Line is a streetcar route in Portland, Oregon, that runs north–south through key neighborhoods and downtown as part of the Portland Streetcar system.
-
A.
C-TRAN
C-TRAN is the public transit agency serving Clark County and the Vancouver, Washington area, providing bus and express services often coordinated with Portland’s TriMet system.
-
B.
Portland Streetcar
chosen
Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
-
C.
Metrobus
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).
-
D.
AeroTrain
AeroTrain is an automated underground people mover system that transports passengers between terminals at Washington Dulles International Airport.
-
E.
MAX Yellow Line
The MAX Yellow Line is a light rail service in the Portland, Oregon metropolitan area that connects downtown Portland with North Portland neighborhoods.
- F. None of above.
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_69a248adc5b48190aa8db9fb092fb28a |
completed | Feb. 28, 2026, 1:45 a.m. |
| NER | Named-entity recognition | batch_69a24b06c5488190afb5429a7999e3f3 |
completed | Feb. 28, 2026, 1:55 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a25ab7ec3881909356c659f4664fb8 |
completed | Feb. 28, 2026, 3:02 a.m. |
| NEDg | Description generation | batch_69a25ba79ab881909fa4570aa2acf402 |
completed | Feb. 28, 2026, 3:06 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a25c28192081909853f2833f1472ef |
completed | Feb. 28, 2026, 3:08 a.m. |
Created at: Feb. 28, 2026, 1:50 a.m.