Triple
T817689
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sheffield |
E17685
|
entity |
| Predicate | hasTramSystem |
P474
|
FINISHED |
| Object |
Sheffield Supertram
Sheffield Supertram is a modern light rail and tram network serving the city of Sheffield and its surrounding areas in South Yorkshire, England.
|
E104768
|
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: Sheffield Supertram | Statement: [Sheffield, hasTramSystem, Sheffield Supertram]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sheffield Supertram Context triple: [Sheffield, hasTramSystem, Sheffield Supertram]
-
A.
Tyne and Wear Metro
Tyne and Wear Metro is a light rail rapid transit system serving Newcastle upon Tyne, Sunderland, and surrounding areas in North East England.
-
B.
Manchester Metrolink
Manchester Metrolink is a light rail/tram network serving Greater Manchester, England, connecting the city centre with surrounding suburbs and key regional destinations.
-
C.
Edinburgh Trams
Edinburgh Trams is a modern light rail system in Edinburgh, Scotland, providing urban and suburban passenger transport across the city.
-
D.
Glasgow Subway
The Glasgow Subway is an underground rapid transit system serving the city of Glasgow, Scotland, and is one of the oldest metro systems in the world.
-
E.
MediaCityUK tram stop
MediaCityUK tram stop is a Metrolink light rail station in Salford, Greater Manchester, serving the MediaCityUK complex and nearby waterfront developments.
- 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: Sheffield Supertram Triple: [Sheffield, hasTramSystem, Sheffield Supertram]
Generated description
Sheffield Supertram is a modern light rail and tram network serving the city of Sheffield and its surrounding areas in South Yorkshire, England.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Sheffield Supertram Target entity description: Sheffield Supertram is a modern light rail and tram network serving the city of Sheffield and its surrounding areas in South Yorkshire, England.
-
A.
Tyne and Wear Metro
Tyne and Wear Metro is a light rail rapid transit system serving Newcastle upon Tyne, Sunderland, and surrounding areas in North East England.
-
B.
Manchester Metrolink
Manchester Metrolink is a light rail/tram network serving Greater Manchester, England, connecting the city centre with surrounding suburbs and key regional destinations.
-
C.
Edinburgh Trams
Edinburgh Trams is a modern light rail system in Edinburgh, Scotland, providing urban and suburban passenger transport across the city.
-
D.
Glasgow Subway
The Glasgow Subway is an underground rapid transit system serving the city of Glasgow, Scotland, and is one of the oldest metro systems in the world.
-
E.
MediaCityUK tram stop
MediaCityUK tram stop is a Metrolink light rail station in Salford, Greater Manchester, serving the MediaCityUK complex and nearby waterfront developments.
- 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_69a4937bcaac8190a322524ac6f45a5a |
completed | March 1, 2026, 7:28 p.m. |
| NER | Named-entity recognition | batch_69a4ab63f4a48190a61a14c3c41ed641 |
completed | March 1, 2026, 9:11 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a7c00e3fb48190a242264358413b05 |
completed | March 4, 2026, 5:15 a.m. |
| NEDg | Description generation | batch_69a7c088506c81908a9e8ac91cb5b69d |
completed | March 4, 2026, 5:18 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a7c10b114c8190831a95519dd185a2 |
completed | March 4, 2026, 5:20 a.m. |
Created at: March 1, 2026, 7:38 p.m.