Triple
T11267977
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Central Link |
E266736
|
entity |
| Predicate | connectsTo |
P845
|
FINISHED |
| Object | Downtown Seattle Transit Tunnel |
E373218
|
NE FINISHED |
How this triple was built (2 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: Downtown Seattle Transit Tunnel | Statement: [Central Link, connectsTo, Downtown Seattle Transit Tunnel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Downtown Seattle Transit Tunnel Context triple: [Central Link, connectsTo, Downtown Seattle Transit Tunnel]
-
A.
Downtown Seattle Transit Tunnel
chosen
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.
Alaskan Way Viaduct
The Alaskan Way Viaduct was an elevated highway along Seattle’s waterfront that carried a section of State Route 99 before being demolished due to seismic vulnerability and replaced by a tunnel.
-
C.
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.
-
D.
Center City Tunnel
Center City Tunnel is an underground rail corridor in downtown Philadelphia that links several major commuter rail lines to create a unified through-running system.
-
E.
Downtown Tunnel
The Downtown Tunnel is a major underwater vehicular tunnel in the Hampton Roads region that carries traffic beneath the Elizabeth River between Norfolk and Portsmouth, Virginia.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d6aac8c2f48190ad0596f1f89f0470 |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7e94f60d48190bc925c3cb88641a8 |
completed | April 9, 2026, 6 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e4ccd52c20819093e03bba2fd359b7 |
completed | April 19, 2026, 12:38 p.m. |
Created at: April 8, 2026, 9:31 p.m.