Triple
T17741860
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Washington Park station |
E442877
|
entity |
| Predicate | zoning |
P727
|
FINISHED |
| Object |
TriMet fare zone system (historical)
The TriMet fare zone system (historical) was a distance-based public transit pricing structure in the Portland, Oregon metropolitan area that divided the network into zones to determine passenger fares.
|
E94675
|
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 fare zone system (historical) | Statement: [Washington Park station, zoning, TriMet fare zone system (historical)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: TriMet fare zone system (historical) Context triple: [Washington Park station, zoning, TriMet fare zone system (historical)]
-
A.
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.
-
B.
Metra fare zones
Metra fare zones are a distance-based pricing system used by the Chicago-area Metra commuter rail network to determine ticket costs between stations.
-
C.
TriMet transit centers
TriMet transit centers are major public transportation hubs in the Portland, Oregon metropolitan area where multiple bus and light rail lines connect to facilitate transfers and regional travel.
-
D.
Metrolink fare zones
Metrolink fare zones are the concentric pricing areas used to calculate ticket costs across Greater Manchester’s Metrolink tram network.
-
E.
TriMet WES Commuter Rail stations
TriMet WES Commuter Rail stations are a set of suburban rail stops in the Portland, Oregon metropolitan area that serve the Westside Express Service commuter line.
- 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 fare zone system (historical) Triple: [Washington Park station, zoning, TriMet fare zone system (historical)]
Generated description
The TriMet fare zone system (historical) was a distance-based public transit pricing structure in the Portland, Oregon metropolitan area that divided the network into zones to determine passenger fares.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: TriMet fare zone system (historical) Target entity description: The TriMet fare zone system (historical) was a distance-based public transit pricing structure in the Portland, Oregon metropolitan area that divided the network into zones to determine passenger fares.
-
A.
TriMet Zone 1
chosen
TriMet Zone 1 was a former central fare zone in Portland’s public transit system that included areas such as the Lloyd District.
-
B.
Metra fare zones
Metra fare zones are a distance-based pricing system used by the Chicago-area Metra commuter rail network to determine ticket costs between stations.
-
C.
TriMet transit centers
TriMet transit centers are major public transportation hubs in the Portland, Oregon metropolitan area where multiple bus and light rail lines connect to facilitate transfers and regional travel.
-
D.
Metrolink fare zones
Metrolink fare zones are the concentric pricing areas used to calculate ticket costs across Greater Manchester’s Metrolink tram network.
-
E.
TriMet WES Commuter Rail stations
TriMet WES Commuter Rail stations are a set of suburban rail stops in the Portland, Oregon metropolitan area that serve the Westside Express Service commuter line.
- 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_69d8b9ed3a2081909b2ec0d4dd2f4c37 |
completed | April 10, 2026, 8:50 a.m. |
| NER | Named-entity recognition | batch_69e47acd780c8190b1308ef0aca00f5c |
completed | April 19, 2026, 6:48 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0242fd4a008190b199a7a557ee24a4 |
completed | May 11, 2026, 8:58 p.m. |
| NEDg | Description generation | batch_6a02451d83548190a7bb509f28a0d953 |
completed | May 11, 2026, 9:07 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a024574a9248190bc59aec3471cc999 |
completed | May 11, 2026, 9:09 p.m. |
Created at: April 10, 2026, 10:09 a.m.