Triple
T1985512
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tartu |
E43129
|
entity |
| Predicate | hasRailwayStation |
P918
|
FINISHED |
| Object |
Tartu railway station
Tartu railway station is the main rail transport hub serving the city of Tartu in Estonia, connecting it to other major destinations in the country.
|
E222924
|
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: Tartu railway station | Statement: [Tartu, hasRailwayStation, Tartu railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tartu railway station Context triple: [Tartu, hasRailwayStation, Tartu railway station]
-
A.
Riga Central Station
Riga Central Station is the main railway hub of Latvia’s capital, serving as the city’s primary domestic and international train terminal.
-
B.
Kaunas Railway Station
Kaunas Railway Station is the main passenger rail hub in Kaunas, Lithuania, serving as a key transportation link within the country and to international destinations.
-
C.
Tartu
Tartu is Estonia’s second-largest city and a historic cultural and intellectual center, best known as the country’s main university town.
-
D.
Lappeenranta railway station
Lappeenranta railway station is the main passenger rail hub serving the city of Lappeenranta in southeastern Finland, providing regional and long-distance train connections.
-
E.
Lennart Meri Tallinn Airport
Lennart Meri Tallinn Airport is the main international airport serving Estonia’s capital, Tallinn, and the country’s largest air travel hub.
- 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: Tartu railway station Triple: [Tartu, hasRailwayStation, Tartu railway station]
Generated description
Tartu railway station is the main rail transport hub serving the city of Tartu in Estonia, connecting it to other major destinations in the country.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Tartu railway station Target entity description: Tartu railway station is the main rail transport hub serving the city of Tartu in Estonia, connecting it to other major destinations in the country.
-
A.
Riga Central Station
Riga Central Station is the main railway hub of Latvia’s capital, serving as the city’s primary domestic and international train terminal.
-
B.
Kaunas Railway Station
Kaunas Railway Station is the main passenger rail hub in Kaunas, Lithuania, serving as a key transportation link within the country and to international destinations.
-
C.
Tartu
Tartu is Estonia’s second-largest city and a historic cultural and intellectual center, best known as the country’s main university town.
-
D.
Lappeenranta railway station
Lappeenranta railway station is the main passenger rail hub serving the city of Lappeenranta in southeastern Finland, providing regional and long-distance train connections.
-
E.
Lennart Meri Tallinn Airport
Lennart Meri Tallinn Airport is the main international airport serving Estonia’s capital, Tallinn, and the country’s largest air travel hub.
- 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_69a88713ddc88190a969715658ebe7a8 |
completed | March 4, 2026, 7:25 p.m. |
| NER | Named-entity recognition | batch_69abb821c2d48190abea6c89f37b51b1 |
completed | March 7, 2026, 5:31 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae0331eec881909463163fb71e4eba |
completed | March 8, 2026, 11:16 p.m. |
| NEDg | Description generation | batch_69ae03e575a88190a93181eb9d9bc3eb |
completed | March 8, 2026, 11:19 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ae0473aecc8190b3da07fb8fd18e81 |
completed | March 8, 2026, 11:21 p.m. |
Created at: March 4, 2026, 7:37 p.m.