Triple
T81689
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Seattle |
E1640
|
entity |
| Predicate | transportationSystem |
P941
|
FINISHED |
| Object |
Sound Transit Link light rail
Sound Transit Link light rail is a regional rapid transit system serving Seattle and surrounding communities with frequent, high-capacity train service.
|
E9533
|
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: Sound Transit Link light rail | Statement: [Seattle, transportationSystem, Sound Transit Link light rail]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sound Transit Link light rail Context triple: [Seattle, transportationSystem, Sound Transit Link light rail]
-
A.
TriMet
TriMet is the regional public transportation agency serving the Portland, Oregon metropolitan area, operating buses, light rail, and commuter rail services.
-
B.
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.
-
C.
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.
-
D.
Portland Streetcar
Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
-
E.
Baltimore Light RailLink
Baltimore Light RailLink is a light rail transit system serving the Baltimore metropolitan area, connecting key locations including downtown Baltimore and Baltimore/Washington International Thurgood Marshall Airport.
- 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: Sound Transit Link light rail Triple: [Seattle, transportationSystem, Sound Transit Link light rail]
Generated description
Sound Transit Link light rail is a regional rapid transit system serving Seattle and surrounding communities with frequent, high-capacity train service.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Sound Transit Link light rail Target entity description: Sound Transit Link light rail is a regional rapid transit system serving Seattle and surrounding communities with frequent, high-capacity train service.
-
A.
TriMet
TriMet is the regional public transportation agency serving the Portland, Oregon metropolitan area, operating buses, light rail, and commuter rail services.
-
B.
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.
-
C.
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.
-
D.
Portland Streetcar
Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
-
E.
Baltimore Light RailLink
Baltimore Light RailLink is a light rail transit system serving the Baltimore metropolitan area, connecting key locations including downtown Baltimore and Baltimore/Washington International Thurgood Marshall Airport.
- 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_69a24c8150408190910a693eb51c1f71 |
completed | Feb. 28, 2026, 2:01 a.m. |
| NER | Named-entity recognition | batch_69a24f367b208190a69f5b76d6ae0496 |
completed | Feb. 28, 2026, 2:13 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a266ea53f48190a0a09700697ffd45 |
completed | Feb. 28, 2026, 3:54 a.m. |
| NEDg | Description generation | batch_69a26ada5f908190afcc754be9fffd07 |
completed | Feb. 28, 2026, 4:11 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a26b668a948190811c208dae793975 |
completed | Feb. 28, 2026, 4:13 a.m. |
Created at: Feb. 28, 2026, 2:06 a.m.