Triple
T11267012
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ligovsky Prospekt metro station |
E266711
|
entity |
| Predicate | ownedBy |
P347
|
FINISHED |
| Object | Saint Petersburg Metro |
E155005
|
NE FINISHED |
How this triple was built (2 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 Metro | Statement: [Ligovsky Prospekt metro station, ownedBy, Saint Petersburg Metro]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Saint Petersburg Metro Context triple: [Ligovsky Prospekt metro station, ownedBy, Saint Petersburg Metro]
-
A.
Saint Petersburg Metro
chosen
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.
-
B.
Nizhny Novgorod Metro
The Nizhny Novgorod Metro is a rapid transit system serving the city of Nizhny Novgorod, Russia, providing urban rail transportation across several lines and stations.
-
C.
Moscow Metro
The Moscow Metro is a major rapid transit system in Moscow renowned for its extensive network, high passenger capacity, and ornately decorated stations often likened to underground palaces.
-
D.
Moscow Metro Koltsevaya Line
The Moscow Metro Koltsevaya Line is a circular metro line encircling central Moscow, known for its deep, ornately decorated stations and key role in connecting many of the city’s radial lines.
-
E.
Moscow Metro Green Line
The Moscow Metro Green Line, also known as Line 2 or the Zamoskvoretskaya Line, is one of the busiest and oldest lines of the Moscow Metro, running roughly north–south through the city and serving many key transport hubs and central stations.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d6aac8c2f48190ad0596f1f89f0470 |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7e94e5e3c8190a31995d55d20d7ed |
completed | April 9, 2026, 6 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f60a4f804c81909abf5e9a88da1d91 |
completed | May 2, 2026, 2:29 p.m. |
Created at: April 8, 2026, 9:31 p.m.