Triple
T2247851
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Holborn, London, England |
E49547
|
entity |
| Predicate | servedByUndergroundLine |
P17559
|
FINISHED |
| Object | Central line |
E59706
|
NE FINISHED |
How this triple was built (3 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: Central line | Statement: [Holborn, London, England, servedByUndergroundLine, Central line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Central line Context triple: [Holborn, London, England, servedByUndergroundLine, Central line]
-
A.
Central line
chosen
The Central line is one of the principal lines of the London Underground, running east–west across Greater London and serving many key central and suburban areas.
-
B.
Central Artery
The Central Artery is a major elevated and now mostly underground highway corridor running through downtown Boston, historically notorious for congestion and central to the "Big Dig" redevelopment project.
-
C.
Clyve
Clyve is a given name, typically a modern or stylistic variant of the name Clive.
-
D.
C Line
The C Line is a light rail route in the Los Angeles Metro Rail system that runs primarily along the I-105 freeway corridor, connecting coastal and inland communities in the South Bay region.
-
E.
Cordis
Cordis is a medical device company best known for developing and manufacturing cardiovascular and endovascular products such as stents and catheters.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: servedByUndergroundLine Context triple: [Holborn, London, England, servedByUndergroundLine, Central line]
-
A.
subwayLine
Indicates that there is a subway line connection or service relationship between the referenced entities.
-
B.
nearUndergroundLine
Indicates that one entity is located close in distance to an underground (subway/metro) line.
-
C.
subwayServices
Indicates that one entity provides or operates subway transportation services for another entity or area.
-
D.
subwayStation
Indicates that one entity is a subway station associated with, located in, or serving the other entity.
-
E.
hasMetroLine
chosen
Indicates that a location or area is served by, or connected to, a specific metro (subway) line.
- F. None of above.
Provenance (4 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_69a88aa979788190ad6500f1d8eee2fc |
completed | March 4, 2026, 7:40 p.m. |
| NER | Named-entity recognition | batch_69abc0ed5c38819080b45ea398fb59f2 |
completed | March 7, 2026, 6:08 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae6b1719c481909ec3ff03d2a6f3bd |
completed | March 9, 2026, 6:39 a.m. |
| PD | Predicate disambiguation | batch_69abbdb160248190aa75b38f11ad8602 |
completed | March 7, 2026, 5:54 a.m. |
Created at: March 4, 2026, 7:47 p.m.