Triple
T4504079
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lastochka |
E101289
|
entity |
| Predicate | usedOn |
P2367
|
FINISHED |
| Object |
Saint Petersburg suburban railways
Saint Petersburg suburban railways are an extensive commuter rail network serving the greater Saint Petersburg metropolitan area, connecting the city with its surrounding suburbs and regional towns.
|
E448767
|
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: Saint Petersburg suburban railways | Statement: [Lastochka, usedOn, Saint Petersburg suburban railways]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Saint Petersburg suburban railways Context triple: [Lastochka, usedOn, Saint Petersburg suburban railways]
-
A.
Moscow Railway suburban network
The Moscow Railway suburban network is an extensive commuter rail system serving Moscow and the surrounding Moscow Oblast, connecting the capital with numerous satellite towns and suburbs.
-
B.
Paveletsky suburban railway line
The Paveletsky suburban railway line is a commuter rail route serving suburban areas south of Moscow, connecting the city with surrounding towns and residential districts.
-
C.
Saint Petersburg Metro
The Saint Petersburg Metro is a major rapid transit system in Saint Petersburg, Russia, renowned for its deep underground stations and ornate, palace-like architecture.
-
D.
Kaluzhsko–Rizhskaya Line
The Kaluzhsko–Rizhskaya Line is a major line of the Moscow Metro system, running north–south through the city and serving several densely populated residential and commercial districts.
-
E.
Volgograd Metrotram
The Volgograd Metrotram is a hybrid light rail and underground tram system in Volgograd, Russia, providing rapid transit-style service along a dedicated north–south corridor through the 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: Saint Petersburg suburban railways Triple: [Lastochka, usedOn, Saint Petersburg suburban railways]
Generated description
Saint Petersburg suburban railways are an extensive commuter rail network serving the greater Saint Petersburg metropolitan area, connecting the city with its surrounding suburbs and regional towns.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Saint Petersburg suburban railways Target entity description: Saint Petersburg suburban railways are an extensive commuter rail network serving the greater Saint Petersburg metropolitan area, connecting the city with its surrounding suburbs and regional towns.
-
A.
Moscow Railway suburban network
The Moscow Railway suburban network is an extensive commuter rail system serving Moscow and the surrounding Moscow Oblast, connecting the capital with numerous satellite towns and suburbs.
-
B.
Paveletsky suburban railway line
The Paveletsky suburban railway line is a commuter rail route serving suburban areas south of Moscow, connecting the city with surrounding towns and residential districts.
-
C.
Saint Petersburg Metro
The Saint Petersburg Metro is a major rapid transit system in Saint Petersburg, Russia, renowned for its deep underground stations and ornate, palace-like architecture.
-
D.
Kaluzhsko–Rizhskaya Line
The Kaluzhsko–Rizhskaya Line is a major line of the Moscow Metro system, running north–south through the city and serving several densely populated residential and commercial districts.
-
E.
Volgograd Metrotram
The Volgograd Metrotram is a hybrid light rail and underground tram system in Volgograd, Russia, providing rapid transit-style service along a dedicated north–south corridor through the 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_69bd43d175248190894dc58b5b395c26 |
completed | March 20, 2026, 12:55 p.m. |
| NER | Named-entity recognition | batch_69bd56fca7d4819081deb34628e04f00 |
completed | March 20, 2026, 2:17 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bd7f71de7081908520ebb81d184e0c |
completed | March 20, 2026, 5:10 p.m. |
| NEDg | Description generation | batch_69bd802c09108190a21b2235710a0f74 |
completed | March 20, 2026, 5:13 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69bd84c11d8881908819b36669dee7b5 |
completed | March 20, 2026, 5:32 p.m. |
Created at: March 20, 2026, 1:01 p.m.