Triple
T3851926
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | SEPTA Route 10 |
E85314
|
entity |
| Predicate | usesInfrastructure |
P6820
|
FINISHED |
| Object | Subway–Surface tunnel |
E389399
|
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: Subway–Surface tunnel | Statement: [SEPTA Route 10, usesInfrastructure, Subway–Surface tunnel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Subway–Surface tunnel Context triple: [SEPTA Route 10, usesInfrastructure, Subway–Surface tunnel]
-
A.
Subway–Surface tunnel
chosen
The Subway–Surface tunnel is an underground transit corridor in Philadelphia that carries several SEPTA trolley lines between West Philadelphia and Center City as part of the city’s light rail network.
-
B.
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.
-
C.
City Tunnel No. 3
City Tunnel No. 3 is a major New York City water supply tunnel that conveys drinking water from upstate reservoirs to the city’s distribution system.
-
D.
City Tunnel No. 1
City Tunnel No. 1 is a major New York City water supply tunnel that conveys drinking water from upstate reservoirs into the city’s distribution system.
-
E.
Box Tunnel
Box Tunnel is a historic railway tunnel in Wiltshire, England, engineered by Isambard Kingdom Brunel as part of the Great Western Railway and renowned for its ambitious 19th-century design and construction.
- 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_69aed936de1c81908f91bed80f70abb2 |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69aeebd0feb081909cc1d5bf41e4acd6 |
completed | March 9, 2026, 3:48 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b50419e7a0819087f9bc7fbfec4116 |
completed | March 14, 2026, 6:45 a.m. |
Created at: March 9, 2026, 3:19 p.m.