Triple
T1003210
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Coast Starlight |
E21649
|
entity |
| Predicate | routeEnd |
P390
|
FINISHED |
| Object |
Seattle King Street Station
Seattle King Street Station is a historic railway terminal in downtown Seattle that serves as a major Amtrak and commuter rail hub for the Pacific Northwest.
|
E118896
|
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: Seattle King Street Station | Statement: [Coast Starlight, routeEnd, Seattle King Street Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Seattle King Street Station Context triple: [Coast Starlight, routeEnd, Seattle King Street Station]
-
A.
Portland Union Station
Portland Union Station is a historic railway terminal in Portland, Oregon, serving as a major Amtrak hub for intercity passenger trains in the Pacific Northwest.
-
B.
Mercer Island Station
Mercer Island Station is a light rail transit stop serving the city of Mercer Island in the Seattle metropolitan area.
-
C.
Powell Street terminal
Powell Street terminal is a major San Francisco cable car turnaround and boarding point located near Union Square, serving as a key hub for tourists and commuters.
-
D.
Pioneer Square Station
Pioneer Square Station is a central underground light rail and bus transit hub in downtown Seattle, Washington, serving the Pioneer Square neighborhood and nearby cultural attractions.
-
E.
Queen station
Queen station is a downtown Toronto subway station on Line 1 Yonge–University, located beneath Queen Street at Yonge Street and serving the city’s central shopping and commercial district.
- 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: Seattle King Street Station Triple: [Coast Starlight, routeEnd, Seattle King Street Station]
Generated description
Seattle King Street Station is a historic railway terminal in downtown Seattle that serves as a major Amtrak and commuter rail hub for the Pacific Northwest.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Seattle King Street Station Target entity description: Seattle King Street Station is a historic railway terminal in downtown Seattle that serves as a major Amtrak and commuter rail hub for the Pacific Northwest.
-
A.
Portland Union Station
Portland Union Station is a historic railway terminal in Portland, Oregon, serving as a major Amtrak hub for intercity passenger trains in the Pacific Northwest.
-
B.
Mercer Island Station
Mercer Island Station is a light rail transit stop serving the city of Mercer Island in the Seattle metropolitan area.
-
C.
Powell Street terminal
Powell Street terminal is a major San Francisco cable car turnaround and boarding point located near Union Square, serving as a key hub for tourists and commuters.
-
D.
Pioneer Square Station
Pioneer Square Station is a central underground light rail and bus transit hub in downtown Seattle, Washington, serving the Pioneer Square neighborhood and nearby cultural attractions.
-
E.
Queen station
Queen station is a downtown Toronto subway station on Line 1 Yonge–University, located beneath Queen Street at Yonge Street and serving the city’s central shopping and commercial district.
- 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_69a493c53e648190ae8cb76c433fd9a7 |
completed | March 1, 2026, 7:30 p.m. |
| NER | Named-entity recognition | batch_69a4b4fe0a548190aee8abf1890e141e |
completed | March 1, 2026, 9:51 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac2a1cb4f08190b1351aadd57c3bda |
completed | March 7, 2026, 1:37 p.m. |
| NEDg | Description generation | batch_69ac2b0d1b348190b4a34bf1c9b43968 |
completed | March 7, 2026, 1:41 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac2bb03508819095f791903f048351 |
completed | March 7, 2026, 1:44 p.m. |
Created at: March 1, 2026, 7:41 p.m.