Triple
T17011530
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Roihupelto depot |
E412711
|
entity |
| Predicate | ownedBy |
P347
|
FINISHED |
| Object |
Helsinki City Transport
Helsinki City Transport is the municipal public transport authority responsible for operating and managing Helsinki’s bus, tram, metro, and related transit services.
|
E1246150
|
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: Helsinki City Transport | Statement: [Roihupelto depot, ownedBy, Helsinki City Transport]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Helsinki City Transport Context triple: [Roihupelto depot, ownedBy, Helsinki City Transport]
-
A.
Helsinki Metro
The Helsinki Metro is the rapid transit system serving Finland’s capital region, known as the world’s northernmost metro network and a key part of the city’s public transportation.
-
B.
Helsinki public transport network
The Helsinki public transport network is an integrated system of metro, trams, buses, commuter trains, and ferries that provides comprehensive urban and regional mobility in the Helsinki metropolitan area.
-
C.
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.
-
D.
Helsinki bus network
The Helsinki bus network is the extensive system of bus routes that forms a core part of public transportation in Helsinki, Finland, connecting major landmarks, neighborhoods, and surrounding areas.
-
E.
Helsinki tram network
The Helsinki tram network is an extensive urban light rail system that serves as a primary mode of public transportation within Finland’s capital city.
- 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: Helsinki City Transport Triple: [Roihupelto depot, ownedBy, Helsinki City Transport]
Generated description
Helsinki City Transport is the municipal public transport authority responsible for operating and managing Helsinki’s bus, tram, metro, and related transit services.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Helsinki City Transport Target entity description: Helsinki City Transport is the municipal public transport authority responsible for operating and managing Helsinki’s bus, tram, metro, and related transit services.
-
A.
Helsinki Metro
The Helsinki Metro is the rapid transit system serving Finland’s capital region, known as the world’s northernmost metro network and a key part of the city’s public transportation.
-
B.
Helsinki public transport network
The Helsinki public transport network is an integrated system of metro, trams, buses, commuter trains, and ferries that provides comprehensive urban and regional mobility in the Helsinki metropolitan area.
-
C.
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.
-
D.
Helsinki bus network
The Helsinki bus network is the extensive system of bus routes that forms a core part of public transportation in Helsinki, Finland, connecting major landmarks, neighborhoods, and surrounding areas.
-
E.
Helsinki tram network
The Helsinki tram network is an extensive urban light rail system that serves as a primary mode of public transportation within Finland’s capital city.
- 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.