Triple
T17098525
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Leningradsky railway terminal |
E414912
|
entity |
| Predicate | hasService |
P182
|
FINISHED |
| Object |
Lastochka trains
Lastochka trains are modern Russian high-speed electric multiple units used for intercity and regional passenger services.
|
E1250754
|
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: Lastochka trains | Statement: [Leningradsky railway terminal, hasService, Lastochka trains]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lastochka trains Context triple: [Leningradsky railway terminal, hasService, Lastochka trains]
-
A.
Butovskaya Line trains
Butovskaya Line trains are the rolling stock operating on Moscow Metro’s Butovskaya Line, providing automated light metro service to the Butovo district.
-
B.
Sapsan high-speed trains
Sapsan high-speed trains are Russian high-speed passenger trains operating primarily between major cities such as Moscow and Saint Petersburg, known for significantly reducing travel times on these routes.
-
C.
Aeroexpress train
The Aeroexpress train is a dedicated high-speed rail service that connects central Moscow with major airports, including Domodedovo International Airport.
-
D.
Repin train
The Repin train was a former international passenger rail service that connected Saint Petersburg and Helsinki before being superseded by the high-speed Allegro trains.
-
E.
Voyager trains
Voyager trains are a family of high-speed diesel-electric multiple unit passenger trains widely used on intercity services in the UK rail network.
- 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: Lastochka trains Triple: [Leningradsky railway terminal, hasService, Lastochka trains]
Generated description
Lastochka trains are modern Russian high-speed electric multiple units used for intercity and regional passenger services.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Lastochka trains Target entity description: Lastochka trains are modern Russian high-speed electric multiple units used for intercity and regional passenger services.
-
A.
Butovskaya Line trains
Butovskaya Line trains are the rolling stock operating on Moscow Metro’s Butovskaya Line, providing automated light metro service to the Butovo district.
-
B.
Sapsan high-speed trains
Sapsan high-speed trains are Russian high-speed passenger trains operating primarily between major cities such as Moscow and Saint Petersburg, known for significantly reducing travel times on these routes.
-
C.
Aeroexpress train
The Aeroexpress train is a dedicated high-speed rail service that connects central Moscow with major airports, including Domodedovo International Airport.
-
D.
Repin train
The Repin train was a former international passenger rail service that connected Saint Petersburg and Helsinki before being superseded by the high-speed Allegro trains.
-
E.
Voyager trains
Voyager trains are a family of high-speed diesel-electric multiple unit passenger trains widely used on intercity services in the UK rail network.
- 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_69d886cfc8e88190b05ba466edd35591 |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3dbffafb08190baf9e0b4fdf1b404 |
completed | April 18, 2026, 7:31 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0139fbcbc08190be2a96d03daf0384 |
completed | May 11, 2026, 2:07 a.m. |
| NEDg | Description generation | batch_6a013b18645c8190bbf4b7b67e07afaa |
completed | May 11, 2026, 2:12 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a013bb1cde48190aac8aaa55dab68d1 |
completed | May 11, 2026, 2:15 a.m. |
Created at: April 10, 2026, 5:35 a.m.