Triple
T16352671
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | ElecLink |
E397096
|
entity |
| Predicate | locatedInTunnel |
P40
|
FINISHED |
| Object |
Channel Tunnel service tunnel
The Channel Tunnel service tunnel is the central maintenance and safety passage running between the two main rail tunnels beneath the English Channel, providing access, ventilation, and emergency egress.
|
E1208707
|
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: Channel Tunnel service tunnel | Statement: [ElecLink, locatedInTunnel, Channel Tunnel service tunnel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Channel Tunnel service tunnel Context triple: [ElecLink, locatedInTunnel, Channel Tunnel service tunnel]
-
A.
Sendall Tunnel
Sendall Tunnel is a historic stone roadway tunnel in St. George's, Grenada, that connects the town’s harbor area with its city center and is a notable local landmark.
-
B.
Tunnel Log
Tunnel Log is a fallen giant sequoia in Sequoia National Park that has been hollowed to allow cars to drive through its trunk, making it a popular roadside attraction.
-
C.
Common Tunnel
Common Tunnel is a central shared underground section of the Oslo Metro network through which multiple lines, including Line 4, run beneath the city center.
-
D.
TUN
TUN is the three-letter ISO 3166-1 alpha-3 country code assigned to Tunisia.
-
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. 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: Channel Tunnel service tunnel Triple: [ElecLink, locatedInTunnel, Channel Tunnel service tunnel]
Generated description
The Channel Tunnel service tunnel is the central maintenance and safety passage running between the two main rail tunnels beneath the English Channel, providing access, ventilation, and emergency egress.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Channel Tunnel service tunnel Target entity description: The Channel Tunnel service tunnel is the central maintenance and safety passage running between the two main rail tunnels beneath the English Channel, providing access, ventilation, and emergency egress.
-
A.
Sendall Tunnel
Sendall Tunnel is a historic stone roadway tunnel in St. George's, Grenada, that connects the town’s harbor area with its city center and is a notable local landmark.
-
B.
Tunnel Log
Tunnel Log is a fallen giant sequoia in Sequoia National Park that has been hollowed to allow cars to drive through its trunk, making it a popular roadside attraction.
-
C.
Common Tunnel
Common Tunnel is a central shared underground section of the Oslo Metro network through which multiple lines, including Line 4, run beneath the city center.
-
D.
TUN
TUN is the three-letter ISO 3166-1 alpha-3 country code assigned to Tunisia.
-
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. 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_69d87f26864c819088365ca381a003c2 |
completed | April 10, 2026, 4:40 a.m. |
| NER | Named-entity recognition | batch_69e2faccab748190b11e0808e422f2ea |
completed | April 18, 2026, 3:30 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a002db6375c81908c64dbe2bc987b1a |
completed | May 10, 2026, 7:03 a.m. |
| NEDg | Description generation | batch_6a00304d7c888190a018d865eb51f0a0 |
completed | May 10, 2026, 7:14 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a00309ceba88190a982b439a1e72e78 |
completed | May 10, 2026, 7:15 a.m. |
Created at: April 10, 2026, 5:07 a.m.