Triple
T23347560
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Bellevue Downtown Station |
E591908
|
entity |
| Predicate | locatedOn |
P40
|
FINISHED |
| Object |
Bellevue Transit Tunnel
The Bellevue Transit Tunnel is an underground light rail corridor in Bellevue, Washington, built to carry Sound Transit’s Link light rail trains beneath the city’s downtown.
|
E1582005
|
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: Bellevue Transit Tunnel | Statement: [Bellevue Downtown Station, locatedOn, Bellevue Transit Tunnel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bellevue Transit Tunnel Context triple: [Bellevue Downtown Station, locatedOn, Bellevue Transit Tunnel]
-
A.
Downtown Seattle Transit Tunnel
The Downtown Seattle Transit Tunnel is a former dual-use bus and light rail tunnel running beneath central Seattle that served as a major rapid transit corridor through the city’s downtown.
-
B.
53rd Street Tunnel
The 53rd Street Tunnel is a New York City Subway tunnel under the East River that carries IND Queens Boulevard Line trains between Manhattan and Queens.
-
C.
Howard Street Tunnel
The Howard Street Tunnel is a historic railroad tunnel in Baltimore, Maryland, that carries freight trains beneath the city’s downtown.
-
D.
Beacon Hill tunnel
Beacon Hill tunnel is an underground light rail tunnel in Seattle, Washington, carrying Sound Transit’s Link light rail beneath the Beacon Hill neighborhood.
-
E.
2nd Street Tunnel
The 2nd Street Tunnel is a frequently filmed, neon-lit vehicular tunnel in downtown Los Angeles, iconic for its distinctive white-tiled interior and use in movies, commercials, and music videos.
- 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: Bellevue Transit Tunnel Triple: [Bellevue Downtown Station, locatedOn, Bellevue Transit Tunnel]
Generated description
The Bellevue Transit Tunnel is an underground light rail corridor in Bellevue, Washington, built to carry Sound Transit’s Link light rail trains beneath the city’s downtown.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Bellevue Transit Tunnel Target entity description: The Bellevue Transit Tunnel is an underground light rail corridor in Bellevue, Washington, built to carry Sound Transit’s Link light rail trains beneath the city’s downtown.
-
A.
Downtown Seattle Transit Tunnel
The Downtown Seattle Transit Tunnel is a former dual-use bus and light rail tunnel running beneath central Seattle that served as a major rapid transit corridor through the city’s downtown.
-
B.
53rd Street Tunnel
The 53rd Street Tunnel is a New York City Subway tunnel under the East River that carries IND Queens Boulevard Line trains between Manhattan and Queens.
-
C.
Howard Street Tunnel
The Howard Street Tunnel is a historic railroad tunnel in Baltimore, Maryland, that carries freight trains beneath the city’s downtown.
-
D.
Beacon Hill tunnel
Beacon Hill tunnel is an underground light rail tunnel in Seattle, Washington, carrying Sound Transit’s Link light rail beneath the Beacon Hill neighborhood.
-
E.
2nd Street Tunnel
The 2nd Street Tunnel is a frequently filmed, neon-lit vehicular tunnel in downtown Los Angeles, iconic for its distinctive white-tiled interior and use in movies, commercials, and music videos.
- 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_69e25d20e3d08190bcede87673cafb25 |
completed | April 17, 2026, 4:17 p.m. |
| NER | Named-entity recognition | batch_69f1983840a481908c503e47ef2158e3 |
completed | April 29, 2026, 5:33 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0c4cba927481908194b998075d522d |
completed | May 19, 2026, 11:42 a.m. |
| NEDg | Description generation | batch_6a0c52f9ecc48190a8d5ae67566ea6ed |
completed | May 19, 2026, 12:09 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0c536bb21481908524a8ffe3084ebb |
completed | May 19, 2026, 12:11 p.m. |
Created at: April 17, 2026, 5:19 p.m.