Triple
T11593906
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Merseyrail |
E274951
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object |
Serco-Abellio joint venture
The Serco-Abellio joint venture is a partnership between transport companies Serco and Abellio formed to operate rail services in the United Kingdom.
|
E934316
|
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: Serco-Abellio joint venture | Statement: [Merseyrail, operator, Serco-Abellio joint venture]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Serco-Abellio joint venture Context triple: [Merseyrail, operator, Serco-Abellio joint venture]
-
A.
Serco Group
Serco Group is a British multinational outsourcing company that provides public services in sectors such as defense, transport, justice, immigration, and healthcare for governments and other organizations worldwide.
-
B.
Babcock International
Babcock International is a British aerospace, defense, and engineering services company that provides critical support to military and civil organizations, particularly in naval and nuclear sectors.
-
C.
QinetiQ
QinetiQ is a British multinational defence technology and security company that provides research, testing, and consultancy services to military, government, and commercial clients worldwide.
-
D.
Marshall Aerospace
Marshall Aerospace is a British aerospace engineering and defense company known for its aircraft maintenance, modification, and conversion services for military and civilian fleets.
-
E.
Serco Caledonian Sleepers Limited
Serco Caledonian Sleepers Limited is a UK-based rail company that operates overnight sleeper train services between London and Scotland under the Caledonian Sleeper brand.
- 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: Serco-Abellio joint venture Triple: [Merseyrail, operator, Serco-Abellio joint venture]
Generated description
The Serco-Abellio joint venture is a partnership between transport companies Serco and Abellio formed to operate rail services in the United Kingdom.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Serco-Abellio joint venture Target entity description: The Serco-Abellio joint venture is a partnership between transport companies Serco and Abellio formed to operate rail services in the United Kingdom.
-
A.
Serco Group
Serco Group is a British multinational outsourcing company that provides public services in sectors such as defense, transport, justice, immigration, and healthcare for governments and other organizations worldwide.
-
B.
Babcock International
Babcock International is a British aerospace, defense, and engineering services company that provides critical support to military and civil organizations, particularly in naval and nuclear sectors.
-
C.
QinetiQ
QinetiQ is a British multinational defence technology and security company that provides research, testing, and consultancy services to military, government, and commercial clients worldwide.
-
D.
Marshall Aerospace
Marshall Aerospace is a British aerospace engineering and defense company known for its aircraft maintenance, modification, and conversion services for military and civilian fleets.
-
E.
Serco Caledonian Sleepers Limited
Serco Caledonian Sleepers Limited is a UK-based rail company that operates overnight sleeper train services between London and Scotland under the Caledonian Sleeper brand.
- 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_69d6aae6b14c81908dc5a74bad7591f9 |
completed | April 8, 2026, 7:22 p.m. |
| NER | Named-entity recognition | batch_69d8946594348190935106132fd18028 |
completed | April 10, 2026, 6:10 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e7146fdd8c8190a54f3290e155e900 |
completed | April 21, 2026, 6:08 a.m. |
| NEDg | Description generation | batch_69e720fc0f38819083bd15169f2ce4bb |
completed | April 21, 2026, 7:02 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69e72353c19c8190b7a579e9af823872 |
completed | April 21, 2026, 7:12 a.m. |
Created at: April 8, 2026, 9:38 p.m.