Triple
T5756298
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Woolwich Ferry |
E126975
|
entity |
| Predicate | isAlternativeTo |
P5887
|
FINISHED |
| Object |
Blackwall Tunnel
The Blackwall Tunnel is a major road tunnel under the River Thames in east London that carries traffic between the Greenwich Peninsula and the Poplar area.
|
E545737
|
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: Blackwall Tunnel | Statement: [Woolwich Ferry, isAlternativeTo, Blackwall Tunnel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Blackwall Tunnel Context triple: [Woolwich Ferry, isAlternativeTo, Blackwall Tunnel]
-
A.
George Massey Tunnel
The George Massey Tunnel is a highway traffic tunnel in British Columbia, Canada, that carries vehicles beneath the Fraser River between Richmond and Delta.
-
B.
Prudential Tunnel
Prudential Tunnel is a vehicular tunnel in Boston, Massachusetts, that carries traffic beneath the Prudential Center complex as part of the Massachusetts Turnpike.
-
C.
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.
-
D.
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.
-
E.
East Boston Tunnel
The East Boston Tunnel is a historic underwater transit tunnel in Boston that originally carried streetcars and now forms part of the MBTA’s Blue Line subway connection between downtown Boston and East Boston.
- 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: Blackwall Tunnel Triple: [Woolwich Ferry, isAlternativeTo, Blackwall Tunnel]
Generated description
The Blackwall Tunnel is a major road tunnel under the River Thames in east London that carries traffic between the Greenwich Peninsula and the Poplar area.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Blackwall Tunnel Target entity description: The Blackwall Tunnel is a major road tunnel under the River Thames in east London that carries traffic between the Greenwich Peninsula and the Poplar area.
-
A.
George Massey Tunnel
The George Massey Tunnel is a highway traffic tunnel in British Columbia, Canada, that carries vehicles beneath the Fraser River between Richmond and Delta.
-
B.
Prudential Tunnel
Prudential Tunnel is a vehicular tunnel in Boston, Massachusetts, that carries traffic beneath the Prudential Center complex as part of the Massachusetts Turnpike.
-
C.
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.
-
D.
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.
-
E.
East Boston Tunnel
The East Boston Tunnel is a historic underwater transit tunnel in Boston that originally carried streetcars and now forms part of the MBTA’s Blue Line subway connection between downtown Boston and East Boston.
- F. None of above. chosen
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_69c00832aedc81909899801b141fa3b4 |
completed | March 22, 2026, 3:18 p.m. |
| NER | Named-entity recognition | batch_69c02906848c8190bf7b0d62f57c27fa |
completed | March 22, 2026, 5:38 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c07e47c1788190b5883df385475237 |
completed | March 22, 2026, 11:41 p.m. |
| NEDg | Description generation | batch_69c08e5a7950819099cd9c9bd6c7a99a |
completed | March 23, 2026, 12:50 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c08ed0c3ac8190a7093667bcd4fb0f |
completed | March 23, 2026, 12:52 a.m. |
Created at: March 22, 2026, 3:49 p.m.