Triple
T17721488
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | CAF Urbos 3 |
E442346
|
entity |
| Predicate | usedInSystem |
P1248
|
FINISHED |
| Object |
Tallinn tram network
The Tallinn tram network is the electric tramway system serving Estonia’s capital city, forming a key part of its public transport infrastructure.
|
E1283355
|
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: Tallinn tram network | Statement: [CAF Urbos 3, usedInSystem, Tallinn tram network]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tallinn tram network Context triple: [CAF Urbos 3, usedInSystem, Tallinn tram network]
-
A.
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.
-
B.
Saint Petersburg tram network
The Saint Petersburg tram network is an extensive urban tramway system in Saint Petersburg, Russia, historically one of the world’s largest and a key component of the city’s public transport.
-
C.
Tallinn–Tartu railway
The Tallinn–Tartu railway is a major rail line in Estonia connecting the capital city Tallinn with the university city of Tartu, serving as one of the country's primary passenger and freight corridors.
-
D.
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.
-
E.
Tartu–Koidula railway
The Tartu–Koidula railway is a rail line in southeastern Estonia that connects the city of Tartu with the border area near Koidula, serving both passenger and freight traffic.
- 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: Tallinn tram network Triple: [CAF Urbos 3, usedInSystem, Tallinn tram network]
Generated description
The Tallinn tram network is the electric tramway system serving Estonia’s capital city, forming a key part of its public transport infrastructure.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Tallinn tram network Target entity description: The Tallinn tram network is the electric tramway system serving Estonia’s capital city, forming a key part of its public transport infrastructure.
-
A.
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.
-
B.
Saint Petersburg tram network
The Saint Petersburg tram network is an extensive urban tramway system in Saint Petersburg, Russia, historically one of the world’s largest and a key component of the city’s public transport.
-
C.
Tallinn–Tartu railway
The Tallinn–Tartu railway is a major rail line in Estonia connecting the capital city Tallinn with the university city of Tartu, serving as one of the country's primary passenger and freight corridors.
-
D.
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.
-
E.
Tartu–Koidula railway
The Tartu–Koidula railway is a rail line in southeastern Estonia that connects the city of Tartu with the border area near Koidula, serving both passenger and freight traffic.
- 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_69d8b9ec79688190b86bdcef85a7b3aa |
completed | April 10, 2026, 8:50 a.m. |
| NER | Named-entity recognition | batch_69e47486438c8190abe27eb4eb2c6fdf |
completed | April 19, 2026, 6:21 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0230300f548190b9e3bdb6570446ff |
completed | May 11, 2026, 7:38 p.m. |
| NEDg | Description generation | batch_6a02315558cc8190829599a78de8eee2 |
completed | May 11, 2026, 7:43 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0231e54c308190af6f80f42848536d |
completed | May 11, 2026, 7:45 p.m. |
Created at: April 10, 2026, 10:07 a.m.