Triple
T17011709
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Länsimetro |
E412715
|
entity |
| Predicate | owner |
P347
|
FINISHED |
| Object |
Länsimetro Oy
Länsimetro Oy is a Finnish company responsible for the construction and development of the western extension of the Helsinki Metro system.
|
E1246159
|
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: Länsimetro Oy | Statement: [Länsimetro, owner, Länsimetro Oy]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Länsimetro Oy Context triple: [Länsimetro, owner, Länsimetro Oy]
-
A.
Metroselskabet I/S
Metroselskabet I/S is the publicly owned company responsible for developing, expanding, and overseeing the Copenhagen Metro system in Denmark.
-
B.
Helsinki Regional Transport Authority
The Helsinki Regional Transport Authority is the public agency responsible for planning, operating, and coordinating public transportation services across the Helsinki metropolitan area in Finland.
-
C.
Valtion Metallitehtaat
Valtion Metallitehtaat was a Finnish state-owned metal and defense industry company that later evolved into the modern defense contractor Patria.
-
D.
Hartwall
Hartwall is a Finnish beverage company best known for producing soft drinks, beers, and bottled waters.
-
E.
Metro Service A/S
Metro Service A/S is the company responsible for operating and managing the Copenhagen Metro system in Denmark.
- 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: Länsimetro Oy Triple: [Länsimetro, owner, Länsimetro Oy]
Generated description
Länsimetro Oy is a Finnish company responsible for the construction and development of the western extension of the Helsinki Metro system.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Länsimetro Oy Target entity description: Länsimetro Oy is a Finnish company responsible for the construction and development of the western extension of the Helsinki Metro system.
-
A.
Metroselskabet I/S
Metroselskabet I/S is the publicly owned company responsible for developing, expanding, and overseeing the Copenhagen Metro system in Denmark.
-
B.
Helsinki Regional Transport Authority
The Helsinki Regional Transport Authority is the public agency responsible for planning, operating, and coordinating public transportation services across the Helsinki metropolitan area in Finland.
-
C.
Valtion Metallitehtaat
Valtion Metallitehtaat was a Finnish state-owned metal and defense industry company that later evolved into the modern defense contractor Patria.
-
D.
Hartwall
Hartwall is a Finnish beverage company best known for producing soft drinks, beers, and bottled waters.
-
E.
Metro Service A/S
Metro Service A/S is the company responsible for operating and managing the Copenhagen Metro system in Denmark.
- 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_69d886cc4170819093deddc7b8b4b6a7 |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3d47cc17c819087f7bd27582bcbfa |
completed | April 18, 2026, 6:59 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a011b46e89c81908271eb22b535c558 |
completed | May 10, 2026, 11:56 p.m. |
| NEDg | Description generation | batch_6a011c99c3948190ac3d3d9059dbb57e |
completed | May 11, 2026, 12:02 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a011d4b53d081909781235ded1c2b35 |
completed | May 11, 2026, 12:05 a.m. |
Created at: April 10, 2026, 5:33 a.m.