Triple
T3917316
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | LMS |
E88872
|
entity |
| Predicate | headquartersStation |
P52556
|
FINISHED |
| Object | Euston railway station |
E9460
|
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: Euston railway station | Statement: [LMS, headquartersStation, Euston railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Euston railway station Context triple: [LMS, headquartersStation, Euston railway station]
-
A.
London Euston
chosen
London Euston is a major central London railway terminus and key hub for intercity services on the West Coast Main Line.
-
B.
Euston Underground station
Euston Underground station is a major London Underground interchange serving the Euston mainline railway station on the Northern and Victoria lines.
-
C.
Marylebone station
Marylebone station is a central London railway terminus and London Underground station serving Chiltern Railways services and the Bakerloo line.
-
D.
King’s Cross St Pancras Underground station
King’s Cross St Pancras Underground station is a major London Tube interchange serving multiple lines beneath the King’s Cross and St Pancras mainline railway terminals.
-
E.
London Paddington station
London Paddington station is a major central London railway terminus and London Underground hub, designed by Isambard Kingdom Brunel, serving intercity, regional, and airport services including links to Heathrow.
- 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: headquartersStation Context triple: [LMS, headquartersStation, Euston railway station]
-
A.
headquartersLocation
Indicates the place where an organization’s main administrative center or principal office is located.
-
B.
headquartersFunction
Indicates that an entity serves as the main administrative or central operating location (headquarters) for another entity.
-
C.
headquartersFor
Indicates that a location serves as the main administrative center or base of operations for an organization or entity.
-
D.
headquartersMunicipality
Indicates the municipality in which an organization’s main administrative headquarters is located.
-
E.
headquartersCoordinates
Indicates the geographic coordinates where an entity’s main headquarters is located.
- 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_69aed955229881909e85e73ffab1d343 |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69aef188b474819087680db42b04ecdd |
completed | March 9, 2026, 4:12 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b55614ffa48190b15a1c2ec20638f2 |
completed | March 14, 2026, 12:35 p.m. |
| PD | Predicate disambiguation | batch_69aee75eedcc81908088ff4dbb8be56b |
completed | March 9, 2026, 3:29 p.m. |
| PDg | Predicate description generation | batch_69aef18748648190b85e62f7796ff4b4 |
completed | March 9, 2026, 4:12 p.m. |
Created at: March 9, 2026, 3:22 p.m.