Triple
T4566936
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Detroit–Windsor Tunnel |
E121931
|
entity |
| Predicate | operatedBy |
P86
|
FINISHED |
| Object |
Detroit Windsor Tunnel LLC
Detroit Windsor Tunnel LLC is the private company responsible for managing and operating the Detroit–Windsor Tunnel, an international vehicular tunnel connecting Detroit, Michigan, and Windsor, Ontario.
|
E121931
|
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: Detroit Windsor Tunnel LLC | Statement: [Detroit–Windsor Tunnel, operatedBy, Detroit Windsor Tunnel LLC]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Detroit Windsor Tunnel LLC Context triple: [Detroit–Windsor Tunnel, operatedBy, Detroit Windsor Tunnel LLC]
-
A.
Detroit–Windsor Tunnel
The Detroit–Windsor Tunnel is an underwater vehicular tunnel beneath the Detroit River that connects the cities of Detroit, Michigan, and Windsor, Ontario, serving as a major international border crossing between the United States and Canada.
-
B.
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.
-
C.
Mackinac Bridge Authority
The Mackinac Bridge Authority is a public agency responsible for operating, managing, and overseeing the finances and maintenance of Michigan’s Mackinac Bridge.
-
D.
Queensway Tunnel
The Queensway Tunnel is a road tunnel in northwest England that carries vehicular traffic beneath the River Mersey between Liverpool and the Wirral Peninsula.
-
E.
Indiana Toll Road Concession Company
Indiana Toll Road Concession Company is a private consortium responsible for operating, maintaining, and collecting tolls on the Indiana Toll Road under a long-term lease agreement with the state.
- 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: Detroit Windsor Tunnel LLC Triple: [Detroit–Windsor Tunnel, operatedBy, Detroit Windsor Tunnel LLC]
Generated description
Detroit Windsor Tunnel LLC is the private company responsible for managing and operating the Detroit–Windsor Tunnel, an international vehicular tunnel connecting Detroit, Michigan, and Windsor, Ontario.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Detroit Windsor Tunnel LLC Target entity description: Detroit Windsor Tunnel LLC is the private company responsible for managing and operating the Detroit–Windsor Tunnel, an international vehicular tunnel connecting Detroit, Michigan, and Windsor, Ontario.
-
A.
Detroit–Windsor Tunnel
chosen
The Detroit–Windsor Tunnel is an underwater vehicular tunnel beneath the Detroit River that connects the cities of Detroit, Michigan, and Windsor, Ontario, serving as a major international border crossing between the United States and Canada.
-
B.
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.
-
C.
Mackinac Bridge Authority
The Mackinac Bridge Authority is a public agency responsible for operating, managing, and overseeing the finances and maintenance of Michigan’s Mackinac Bridge.
-
D.
Queensway Tunnel
The Queensway Tunnel is a road tunnel in northwest England that carries vehicular traffic beneath the River Mersey between Liverpool and the Wirral Peninsula.
-
E.
Indiana Toll Road Concession Company
Indiana Toll Road Concession Company is a private consortium responsible for operating, maintaining, and collecting tolls on the Indiana Toll Road under a long-term lease agreement with the state.
- F. None of above.
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_69bd463f156881908a99aca69c5721ac |
completed | March 20, 2026, 1:06 p.m. |
| NER | Named-entity recognition | batch_69bd589e35808190aa609bb04b128dbe |
completed | March 20, 2026, 2:24 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bdd3b560a08190a485e9ec45e0f0f8 |
completed | March 20, 2026, 11:09 p.m. |
| NEDg | Description generation | batch_69bdd467cd0c8190a92938a69211f558 |
completed | March 20, 2026, 11:12 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69bdd4c432dc81909911de3d2943e3d5 |
completed | March 20, 2026, 11:14 p.m. |
Created at: March 20, 2026, 1:09 p.m.