Triple
T751529
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Portland International Airport station |
E15458
|
entity |
| Predicate | servedByLine |
P1293
|
FINISHED |
| Object |
MAX Red Line toward Beaverton Transit Center
MAX Red Line toward Beaverton Transit Center is a westbound light rail service in Portland, Oregon, connecting Portland International Airport and downtown Portland with the Beaverton Transit Center.
|
E89073
|
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 Red Line toward Beaverton Transit Center | Statement: [Portland International Airport station, servedByLine, MAX Red Line toward Beaverton Transit Center]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MAX Red Line toward Beaverton Transit Center Context triple: [Portland International Airport station, servedByLine, MAX Red Line toward Beaverton Transit Center]
-
A.
MAX Blue Line
MAX Blue Line is a light rail service in the Portland, Oregon metropolitan area that connects downtown Portland with eastern and western suburbs as part of the region’s MAX Light Rail system.
-
B.
Metro C Line
The Metro C Line is a light rail line in Los Angeles County that runs east–west, connecting Norwalk to Redondo Beach and serving key transit hubs including Los Angeles International Airport via shuttle.
-
C.
DART Red Line
The DART Red Line is a light rail service in Dallas, Texas, forming one of the primary routes in the Dallas Area Rapid Transit rail network.
-
D.
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.
-
E.
MAX Orange Line
The MAX Orange Line is a light rail service in the Portland, Oregon metropolitan area that connects downtown Portland with the southeast corridor, including Milwaukie.
- 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 Red Line toward Beaverton Transit Center Triple: [Portland International Airport station, servedByLine, MAX Red Line toward Beaverton Transit Center]
Generated description
MAX Red Line toward Beaverton Transit Center is a westbound light rail service in Portland, Oregon, connecting Portland International Airport and downtown Portland with the Beaverton Transit Center.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: MAX Red Line toward Beaverton Transit Center Target entity description: MAX Red Line toward Beaverton Transit Center is a westbound light rail service in Portland, Oregon, connecting Portland International Airport and downtown Portland with the Beaverton Transit Center.
-
A.
MAX Blue Line
MAX Blue Line is a light rail service in the Portland, Oregon metropolitan area that connects downtown Portland with eastern and western suburbs as part of the region’s MAX Light Rail system.
-
B.
Metro C Line
The Metro C Line is a light rail line in Los Angeles County that runs east–west, connecting Norwalk to Redondo Beach and serving key transit hubs including Los Angeles International Airport via shuttle.
-
C.
DART Red Line
The DART Red Line is a light rail service in Dallas, Texas, forming one of the primary routes in the Dallas Area Rapid Transit rail network.
-
D.
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.
-
E.
MAX Orange Line
The MAX Orange Line is a light rail service in the Portland, Oregon metropolitan area that connects downtown Portland with the southeast corridor, including Milwaukie.
- 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_69a493599a0081908da65f3407af1ef2 |
completed | March 1, 2026, 7:28 p.m. |
| NER | Named-entity recognition | batch_69a4a64c67748190aef3522b4b428563 |
completed | March 1, 2026, 8:49 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a654e8d80481908505896fb6ead36b |
completed | March 3, 2026, 3:26 a.m. |
| NEDg | Description generation | batch_69a655c79044819098e36081b754c9be |
completed | March 3, 2026, 3:30 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a65638cd5881908b421d9d8a90291b |
completed | March 3, 2026, 3:32 a.m. |
Created at: March 1, 2026, 7:37 p.m.