Triple
T5838320
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | T1300 train (historical) |
E129529
|
entity |
| Predicate | operatedOnLine |
P15252
|
FINISHED |
| Object |
Oslo Metro common tunnel
The Oslo Metro common tunnel is the central underground trunk line in Oslo’s rapid transit system, carrying multiple metro lines through the city center.
|
E607049
|
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: Oslo Metro common tunnel | Statement: [T1300 train (historical), operatedOnLine, Oslo Metro common tunnel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Oslo Metro common tunnel Context triple: [T1300 train (historical), operatedOnLine, Oslo Metro common tunnel]
-
A.
Oslo Metro Ring Line
The Oslo Metro Ring Line is a circular rapid transit route in Oslo’s metro system that connects several key residential and commercial districts around the city center.
-
B.
Oslo Metro
The Oslo Metro is the rapid transit system serving Norway's capital, providing high-frequency urban and suburban rail connections across the Oslo metropolitan area.
-
C.
Oslo Metro Line 1
Oslo Metro Line 1 is one of the lines in the Oslo Metro system, running from the city center through several residential districts to the hilly Holmenkollen area and the Frognerseteren terminus.
-
D.
Oslo Metro Line 2
Oslo Metro Line 2 is one of the main rapid transit lines in the Oslo Metro system, running east–west across the city and connecting central Oslo with several suburban areas.
-
E.
Oslo Metro Line 3
Oslo Metro Line 3 is one of the main rapid transit lines in Oslo, Norway, running through the city center and connecting several eastern and western suburbs.
- 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: Oslo Metro common tunnel Triple: [T1300 train (historical), operatedOnLine, Oslo Metro common tunnel]
Generated description
The Oslo Metro common tunnel is the central underground trunk line in Oslo’s rapid transit system, carrying multiple metro lines through the city center.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Oslo Metro common tunnel Target entity description: The Oslo Metro common tunnel is the central underground trunk line in Oslo’s rapid transit system, carrying multiple metro lines through the city center.
-
A.
Oslo Metro Ring Line
The Oslo Metro Ring Line is a circular rapid transit route in Oslo’s metro system that connects several key residential and commercial districts around the city center.
-
B.
Oslo Metro
The Oslo Metro is the rapid transit system serving Norway's capital, providing high-frequency urban and suburban rail connections across the Oslo metropolitan area.
-
C.
Oslo Metro Line 1
Oslo Metro Line 1 is one of the lines in the Oslo Metro system, running from the city center through several residential districts to the hilly Holmenkollen area and the Frognerseteren terminus.
-
D.
Oslo Metro Line 2
Oslo Metro Line 2 is one of the main rapid transit lines in the Oslo Metro system, running east–west across the city and connecting central Oslo with several suburban areas.
-
E.
Oslo Metro Line 3
Oslo Metro Line 3 is one of the main rapid transit lines in Oslo, Norway, running through the city center and connecting several eastern and western suburbs.
- 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_69c0084af79c81908af128ccc29983d0 |
completed | March 22, 2026, 3:18 p.m. |
| NER | Named-entity recognition | batch_69c034a66c448190a6ea7f9827cbffe9 |
completed | March 22, 2026, 6:27 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c6e4036f2081909fa40e07d19291f2 |
completed | March 27, 2026, 8:09 p.m. |
| NEDg | Description generation | batch_69c6e4c724dc819080f21cf0d1421500 |
completed | March 27, 2026, 8:12 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c6e581a4f88190b1f64033a49d1bae |
completed | March 27, 2026, 8:16 p.m. |
Created at: March 22, 2026, 3:54 p.m.