Triple
T15668814
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Maryland transportation infrastructure |
E377253
|
entity |
| Predicate | includesTollFacility |
P4065
|
FINISHED |
| Object | Fort McHenry Tunnel toll facility |
E225022
|
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: Fort McHenry Tunnel toll facility | Statement: [Maryland transportation infrastructure, includesTollFacility, Fort McHenry Tunnel toll facility]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Fort McHenry Tunnel toll facility Context triple: [Maryland transportation infrastructure, includesTollFacility, Fort McHenry Tunnel toll facility]
-
A.
Fort McHenry Tunnel
chosen
The Fort McHenry Tunnel is a major underwater highway tunnel in Baltimore, Maryland, carrying Interstate 95 beneath the harbor near Fort McHenry to ease traffic through the city.
-
B.
Baltimore and Potomac Tunnel
The Baltimore and Potomac Tunnel is a 19th-century railroad tunnel in Baltimore, Maryland, that serves as a critical but aging bottleneck on the Northeast Corridor rail line.
-
C.
Baltimore Harbor Tunnel
The Baltimore Harbor Tunnel is a vehicular tunnel in Baltimore, Maryland, that carries Interstate 895 beneath the harbor as a major route for traffic bypassing downtown.
-
D.
Union Tunnel (Baltimore)
Union Tunnel in Baltimore is a historic railroad tunnel that carries passenger and freight trains beneath the city as part of the Northeast Corridor.
-
E.
Potomac River tunnel
The Potomac River tunnel is an underwater rail tunnel in the Washington, D.C. area that carries Washington Metro trains beneath the Potomac River.
- 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_69d85cd2e28481909d4e975bee20872f |
completed | April 10, 2026, 2:13 a.m. |
| NER | Named-entity recognition | batch_69e04f1254508190a77a16b7bfd299ad |
completed | April 16, 2026, 2:53 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff67a431208190b7e0d1eefd55504a |
completed | May 9, 2026, 4:58 p.m. |
Created at: April 10, 2026, 4:16 a.m.