Triple
T12785299
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Market Street and Drumm Street |
E305608
|
entity |
| Predicate | hasNearbyInfrastructure |
P231
|
FINISHED |
| Object | Bay Area Rapid Transit tunnels |
E84112
|
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: Bay Area Rapid Transit tunnels | Statement: [Market Street and Drumm Street, hasNearbyInfrastructure, Bay Area Rapid Transit tunnels]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bay Area Rapid Transit tunnels Context triple: [Market Street and Drumm Street, hasNearbyInfrastructure, Bay Area Rapid Transit tunnels]
-
A.
Transbay Tube
chosen
The Transbay Tube is an underwater rail tunnel beneath San Francisco Bay that carries BART trains between San Francisco and Oakland.
-
B.
Sutro Tunnel
The Sutro Tunnel is a historic drainage and access tunnel driven into Nevada’s Comstock Lode in the 19th century to improve mine safety and operations.
-
C.
Yerba Buena Tunnel
Yerba Buena Tunnel is a vehicular tunnel in the San Francisco Bay that carries the San Francisco–Oakland Bay Bridge through Yerba Buena Island, connecting its eastern and western spans.
-
D.
H-3 freeway tunnels
The H-3 freeway tunnels are major highway tunnels in Hawaii that bore through the Koʻolau Range on Oʻahu, connecting Honolulu’s windward and leeward sides.
-
E.
San Francisco coastal transportation corridor
The San Francisco coastal transportation corridor is a scenic route along the city’s Pacific shoreline that links beaches, parks, and neighborhoods via roads, trails, and transit infrastructure.
- 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_69d7bdf2b43c819098ae5aa68e61ea58 |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d96e5cb3c08190b8e1e22de8b96e17 |
completed | April 10, 2026, 9:40 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6850703948190984acf9e434cd2a7 |
completed | May 2, 2026, 11:13 p.m. |
Created at: April 9, 2026, 5:29 p.m.