Triple
T12043734
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Parsons Brinckerhoff |
E286730
|
entity |
| Predicate | notableWork |
P4
|
FINISHED |
| Object | Crossrail (London) engineering services |
E60076
|
NE FINISHED |
How this triple was built (2 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: Crossrail (London) engineering services | Statement: [Parsons Brinckerhoff, notableWork, Crossrail (London) engineering services]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Crossrail (London) engineering services Context triple: [Parsons Brinckerhoff, notableWork, Crossrail (London) engineering services]
-
A.
Crossrail central tunnel
The Crossrail central tunnel is the core underground section of London's Elizabeth line, consisting of newly built deep-level rail tunnels that connect existing surface routes across the city.
-
B.
Heathrow Airport rail network
The Heathrow Airport rail network is the integrated system of rail and metro services that connect Heathrow’s terminals with central London and the wider UK rail network.
-
C.
King’s Cross Central development
King’s Cross Central development is a major urban regeneration project transforming former railway and industrial land near King’s Cross into a mixed-use district of offices, homes, retail, and public spaces.
-
D.
Elizabeth line
chosen
The Elizabeth line is a major high-capacity railway route across London and its surroundings, forming part of the Crossrail project and providing fast east–west connections through the city.
-
E.
Transport for London rail facilities
Transport for London rail facilities are the network of depots, stations, tracks, and related infrastructure used to operate and maintain London’s public rail services, including the Underground and other TfL-operated lines.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d6ab4780948190bdb9f7620c2ac27e |
completed | April 8, 2026, 7:23 p.m. |
| NER | Named-entity recognition | batch_69d9040d13108190bd1a969fa62aae5a |
completed | April 10, 2026, 2:07 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f49db574bc8190a0f2f858a2ff788d |
completed | May 1, 2026, 12:33 p.m. |
Created at: April 8, 2026, 9:47 p.m.