Triple
T3012100
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Terminal 2 |
E82245
|
entity |
| Predicate | connectedTo |
P37
|
FINISHED |
| Object |
Heathrow rail and Underground stations
Heathrow rail and Underground stations comprise the network of train and Tube stations serving London Heathrow Airport, providing direct rail and metro links between the airport terminals and central London.
|
E317663
|
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: Heathrow rail and Underground stations | Statement: [Terminal 2, connectedTo, Heathrow rail and Underground stations]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Heathrow rail and Underground stations Context triple: [Terminal 2, connectedTo, Heathrow rail and Underground stations]
-
A.
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.
-
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.
Wembley Central station
Wembley Central station is a key National Rail and London Underground interchange in Wembley, northwest London, serving both local commuters and visitors to nearby Wembley Stadium.
-
D.
Battersea Power Station Underground station
Battersea Power Station Underground station is a London Underground station on the Northern line extension serving the redeveloped Battersea Power Station area in south-west London.
-
E.
Moorgate station
Moorgate station is a central London railway and London Underground interchange serving multiple lines and connecting the City of London to various parts of the capital and beyond.
- 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: Heathrow rail and Underground stations Triple: [Terminal 2, connectedTo, Heathrow rail and Underground stations]
Generated description
Heathrow rail and Underground stations comprise the network of train and Tube stations serving London Heathrow Airport, providing direct rail and metro links between the airport terminals and central London.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Heathrow rail and Underground stations Target entity description: Heathrow rail and Underground stations comprise the network of train and Tube stations serving London Heathrow Airport, providing direct rail and metro links between the airport terminals and central London.
-
A.
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.
-
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.
Wembley Central station
Wembley Central station is a key National Rail and London Underground interchange in Wembley, northwest London, serving both local commuters and visitors to nearby Wembley Stadium.
-
D.
Battersea Power Station Underground station
Battersea Power Station Underground station is a London Underground station on the Northern line extension serving the redeveloped Battersea Power Station area in south-west London.
-
E.
Moorgate station
Moorgate station is a central London railway and London Underground interchange serving multiple lines and connecting the City of London to various parts of the capital and beyond.
- 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_69ad8b1eb53481908c39bbcd1ec104b2 |
completed | March 8, 2026, 2:43 p.m. |
| NER | Named-entity recognition | batch_69ad9a66c334819082d1d320c48eca1b |
completed | March 8, 2026, 3:48 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b12e6410e481909753bef34e053363 |
completed | March 11, 2026, 8:57 a.m. |
| NEDg | Description generation | batch_69b12f324fdc8190a279a773ef32ed01 |
completed | March 11, 2026, 9 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b1c641f3308190912252e5d5e4f843 |
completed | March 11, 2026, 7:45 p.m. |
Created at: March 8, 2026, 3 p.m.