Triple
T12587182
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | West Midlands Metro |
E300495
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object |
Midland Metro Limited
Midland Metro Limited is the company responsible for running and managing the West Midlands Metro light rail network in England.
|
E992677
|
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: Midland Metro Limited | Statement: [West Midlands Metro, operator, Midland Metro Limited]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Midland Metro Limited Context triple: [West Midlands Metro, operator, Midland Metro Limited]
-
A.
Midland Group
Midland Group is an international private investment and holding company best known in motorsport for its former ownership of the Midland F1 Racing team.
-
B.
Midland Transport
Midland Transport is a Canadian trucking and logistics company that operates as part of the Irving family’s diversified business empire.
-
C.
Grampian Group
The Grampian Group is a major geological rock sequence within the Scottish Highlands, notable for its deformed and metamorphosed sedimentary and volcanic rocks formed during the Precambrian to early Paleozoic.
-
D.
West Midlands Growth Company
West Midlands Growth Company is a regional economic development agency focused on attracting investment, boosting tourism, and supporting business growth across the West Midlands region of England.
-
E.
Piedmont Limited
The Piedmont Limited was a prominent Southern Railway passenger train that provided long-distance service in the southeastern United States during the early to mid-20th century.
- 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: Midland Metro Limited Triple: [West Midlands Metro, operator, Midland Metro Limited]
Generated description
Midland Metro Limited is the company responsible for running and managing the West Midlands Metro light rail network in England.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Midland Metro Limited Target entity description: Midland Metro Limited is the company responsible for running and managing the West Midlands Metro light rail network in England.
-
A.
Midland Group
Midland Group is an international private investment and holding company best known in motorsport for its former ownership of the Midland F1 Racing team.
-
B.
Midland Transport
Midland Transport is a Canadian trucking and logistics company that operates as part of the Irving family’s diversified business empire.
-
C.
Grampian Group
The Grampian Group is a major geological rock sequence within the Scottish Highlands, notable for its deformed and metamorphosed sedimentary and volcanic rocks formed during the Precambrian to early Paleozoic.
-
D.
West Midlands Growth Company
West Midlands Growth Company is a regional economic development agency focused on attracting investment, boosting tourism, and supporting business growth across the West Midlands region of England.
-
E.
Piedmont Limited
The Piedmont Limited was a prominent Southern Railway passenger train that provided long-distance service in the southeastern United States during the early to mid-20th century.
- 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_69d7bde87b648190bcd0266e9efde098 |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d954bbe72c8190aa11090bb6b480c9 |
completed | April 10, 2026, 7:51 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f65ebed164819083fbdaa775a59cd4 |
completed | May 2, 2026, 8:29 p.m. |
| NEDg | Description generation | batch_69f66088890c8190b67a958d7f0822a6 |
completed | May 2, 2026, 8:37 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f6613ce1108190851cf8491fe666c8 |
completed | May 2, 2026, 8:40 p.m. |
Created at: April 9, 2026, 5:05 p.m.