Triple
T4150704
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Łódź Kaliska railway station |
E89896
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | PKP Polskie Linie Kolejowe |
E382464
|
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: PKP Polskie Linie Kolejowe | Statement: [Łódź Kaliska railway station, operator, PKP Polskie Linie Kolejowe]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: PKP Polskie Linie Kolejowe Context triple: [Łódź Kaliska railway station, operator, PKP Polskie Linie Kolejowe]
-
A.
Polskie Koleje Państwowe
Polskie Koleje Państwowe is Poland’s state-owned national railway company, responsible for the country’s rail infrastructure and passenger and freight services.
-
B.
PKP S.A.
chosen
PKP S.A. is Poland’s state-owned railway company responsible for managing much of the country’s rail infrastructure and related assets.
-
C.
PKP Intercity
PKP Intercity is Poland’s primary long-distance passenger rail operator, running intercity and international train services across the country and beyond.
-
D.
Łódzka Kolej Aglomeracyjna
Łódzka Kolej Aglomeracyjna is a regional rail operator in the Łódź metropolitan area of Poland, providing commuter and suburban train services connecting the city with surrounding towns.
-
E.
Polska Krajowa Kasa Pożyczkowa
Polska Krajowa Kasa Pożyczkowa was a Polish state financial institution established during World War I that served as an early central bank-like body, notably issuing the Polish marka currency.
- 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_69aed95a59a881909b26e70b42c6811a |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69af0274f440819087dd58a9ce45cce5 |
completed | March 9, 2026, 5:25 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b589e73f1c8190ac1c09201c7844a8 |
completed | March 14, 2026, 4:16 p.m. |
Created at: March 9, 2026, 3:43 p.m.