Triple
T474821
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | London Underground |
E9036
|
entity |
| Predicate | connectsTo |
P845
|
FINISHED |
| Object |
Elizabeth line
The Elizabeth line is a major high-capacity railway route across London and its surroundings, forming part of the Crossrail project and providing fast east–west connections through the city.
|
E60076
|
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: Elizabeth line | Statement: [London Underground, connectsTo, Elizabeth line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Elizabeth line Context triple: [London Underground, connectsTo, Elizabeth line]
-
A.
Severn Tunnel
Severn Tunnel is a major railway tunnel in the United Kingdom that runs beneath the River Severn, linking South West England with South Wales.
-
B.
Channel Tunnel
The Channel Tunnel is a 50-kilometer undersea rail tunnel linking the United Kingdom and France, serving as a major passenger and freight transport route between the two countries.
-
C.
Jubilee line extension
The Jubilee line extension is a major late-20th-century expansion of the London Underground that introduced new stations and modern infrastructure to connect central London with the Docklands and east London.
-
D.
Mersey Tunnels
The Mersey Tunnels are a set of road and rail tunnels linking Liverpool with the Wirral Peninsula beneath the River Mersey in northwest England.
-
E.
Cross-City Line
The Cross-City Line is a suburban railway route in the West Midlands of England that runs through Birmingham, connecting Lichfield in the north to Redditch and Bromsgrove in the south.
- 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: Elizabeth line Triple: [London Underground, connectsTo, Elizabeth line]
Generated description
The Elizabeth line is a major high-capacity railway route across London and its surroundings, forming part of the Crossrail project and providing fast east–west connections through the city.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Elizabeth line Target entity description: The Elizabeth line is a major high-capacity railway route across London and its surroundings, forming part of the Crossrail project and providing fast east–west connections through the city.
-
A.
Severn Tunnel
Severn Tunnel is a major railway tunnel in the United Kingdom that runs beneath the River Severn, linking South West England with South Wales.
-
B.
Channel Tunnel
The Channel Tunnel is a 50-kilometer undersea rail tunnel linking the United Kingdom and France, serving as a major passenger and freight transport route between the two countries.
-
C.
Jubilee line extension
The Jubilee line extension is a major late-20th-century expansion of the London Underground that introduced new stations and modern infrastructure to connect central London with the Docklands and east London.
-
D.
Mersey Tunnels
The Mersey Tunnels are a set of road and rail tunnels linking Liverpool with the Wirral Peninsula beneath the River Mersey in northwest England.
-
E.
Cross-City Line
The Cross-City Line is a suburban railway route in the West Midlands of England that runs through Birmingham, connecting Lichfield in the north to Redditch and Bromsgrove in the south.
- 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_69a2e7ff81708190b0507a24a997232c |
completed | Feb. 28, 2026, 1:05 p.m. |
| NER | Named-entity recognition | batch_69a2f039f3d88190a7c93ecbf1bf5f58 |
completed | Feb. 28, 2026, 1:40 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a46c5d827c8190b620958383d23f41 |
completed | March 1, 2026, 4:42 p.m. |
| NEDg | Description generation | batch_69a46cc892308190907a09fd3ca2cfc4 |
completed | March 1, 2026, 4:43 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a46d11a6288190ac9cbd0d50b95421 |
completed | March 1, 2026, 4:45 p.m. |
Created at: Feb. 28, 2026, 1:12 p.m.