Triple
T3914851
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Łódź Fabryczna railway station |
E88810
|
entity |
| Predicate | countryRailOperatorServed |
P14525
|
FINISHED |
| Object | PKP Intercity |
E109587
|
NE FINISHED |
How this triple was built (3 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: PKP Intercity | Statement: [Łódź Fabryczna railway station, countryRailOperatorServed, PKP Intercity]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: PKP Intercity Context triple: [Łódź Fabryczna railway station, countryRailOperatorServed, PKP Intercity]
-
A.
PKP Intercity
chosen
PKP Intercity is Poland’s primary long-distance passenger rail operator, running intercity and international train services across the country and beyond.
-
B.
İZBAN commuter rail
İZBAN commuter rail is a major suburban rail system serving the İzmir metropolitan area in Turkey, providing high-capacity, rapid transit along the city’s north–south axis.
-
C.
RegioExpress
RegioExpress is a category of Swiss regional express trains that provide relatively fast, limited-stop connections between major and medium-sized towns.
-
D.
PKP S.A.
PKP S.A. is Poland’s state-owned railway company responsible for managing much of the country’s rail infrastructure and related assets.
-
E.
Prague commuter rail
The Prague commuter rail is a suburban rail network that links Prague with its surrounding metropolitan area, providing frequent regional train services that complement the city’s urban transit system.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: countryRailOperatorServed Context triple: [Łódź Fabryczna railway station, countryRailOperatorServed, PKP Intercity]
-
A.
railwayCompany
Indicates that one entity is a railway company that owns, operates, or manages railway services or infrastructure in relation to another entity.
-
B.
hasLocalRailOperator
Indicates that a specified rail operator is responsible for providing local or regional rail services within a particular area or network.
-
C.
railwayCompanyType
Indicates the specific category or classification of a railway company in terms of its role, ownership, or operational type.
-
D.
transportationServedBy
chosen
Indicates that a transportation facility, route, or area is provided service or coverage by a specific transportation provider or mode.
-
E.
railServiceType
Indicates the specific category or type of rail service that applies to the relationship between the involved entities (e.g., local, express, freight).
- F. None of above.
Provenance (4 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_69aed955229881909e85e73ffab1d343 |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69aef188b474819087680db42b04ecdd |
completed | March 9, 2026, 4:12 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b528606ef88190a06ab8073d1df945 |
completed | March 14, 2026, 9:20 a.m. |
| PD | Predicate disambiguation | batch_69aee75eedcc81908088ff4dbb8be56b |
completed | March 9, 2026, 3:29 p.m. |
Created at: March 9, 2026, 3:22 p.m.