Triple
T54789
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | TriMet |
E1080
|
entity |
| Predicate | operates |
P24
|
FINISHED |
| Object |
MAX Light Rail
MAX Light Rail is the metropolitan light rail transit system serving the Portland, Oregon, metropolitan area.
|
E17464
|
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: MAX Light Rail | Statement: [TriMet, operates, MAX Light Rail]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MAX Light Rail Context triple: [TriMet, operates, MAX Light Rail]
-
A.
Metro B Line
The Metro B Line is a heavy rail subway line in Los Angeles that runs through central and Hollywood areas as part of the LA Metro Rail system.
-
B.
Los Angeles Metro Rail
Los Angeles Metro Rail is a rapid transit system serving Los Angeles County, California, consisting of multiple light rail and subway lines that connect key neighborhoods, business districts, and regional destinations.
-
C.
Portland Streetcar
Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
-
D.
AeroTrain
AeroTrain is an automated underground people mover system that transports passengers between terminals at Washington Dulles International Airport.
-
E.
M train
The M train is a New York City Subway service that runs through parts of Queens, Brooklyn, and Manhattan, connecting neighborhoods such as Middle Village and Forest Hills with Midtown and Lower Manhattan.
- 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: MAX Light Rail Triple: [TriMet, operates, MAX Light Rail]
Generated description
MAX Light Rail is the metropolitan light rail transit system serving the Portland, Oregon, metropolitan area.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: MAX Light Rail Target entity description: MAX Light Rail is the metropolitan light rail transit system serving the Portland, Oregon, metropolitan area.
-
A.
Metro B Line
The Metro B Line is a heavy rail subway line in Los Angeles that runs through central and Hollywood areas as part of the LA Metro Rail system.
-
B.
Los Angeles Metro Rail
Los Angeles Metro Rail is a rapid transit system serving Los Angeles County, California, consisting of multiple light rail and subway lines that connect key neighborhoods, business districts, and regional destinations.
-
C.
Portland Streetcar
Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
-
D.
AeroTrain
AeroTrain is an automated underground people mover system that transports passengers between terminals at Washington Dulles International Airport.
-
E.
M train
The M train is a New York City Subway service that runs through parts of Queens, Brooklyn, and Manhattan, connecting neighborhoods such as Middle Village and Forest Hills with Midtown and Lower Manhattan.
- 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_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_69a2c271231c81909b92809bba7b52b2 |
completed | Feb. 28, 2026, 10:24 a.m. |
| NEDg | Description generation | batch_69a2c31404cc8190affc40340df43df2 |
completed | Feb. 28, 2026, 10:27 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a2c3728e648190af447c0f54f1bd5f |
completed | Feb. 28, 2026, 10:29 a.m. |
Created at: Feb. 28, 2026, 1:50 a.m.