Triple
T1912458
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tsentralny District of Saint Petersburg |
E38138
|
entity |
| Predicate | contains |
P35
|
FINISHED |
| Object |
Nevsky Prospekt metro station
Nevsky Prospekt metro station is a major Saint Petersburg Metro station and key transfer hub located in the historic center of the city.
|
E252466
|
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: Nevsky Prospekt metro station | Statement: [Tsentralny District of Saint Petersburg, contains, Nevsky Prospekt metro station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nevsky Prospekt metro station Context triple: [Tsentralny District of Saint Petersburg, contains, Nevsky Prospekt metro station]
-
A.
Spasskaya metro station
Spasskaya metro station is a Saint Petersburg Metro station that serves as a key transfer hub on the city’s network, located in the historic Admiralteysky District.
-
B.
Admiralteyskaya metro station
Admiralteyskaya metro station is a deep-level underground station on the Saint Petersburg Metro, located near the city’s historic center and major landmarks such as the Admiralty building and the Hermitage.
-
C.
Sennaya Ploshchad metro station
Sennaya Ploshchad metro station is a major Saint Petersburg Metro interchange station located in the historic city center, serving multiple lines and providing access to the busy Sennaya Square area.
-
D.
Vladimirskaya metro station
Vladimirskaya metro station is a Saint Petersburg Metro station on the Kirovsko–Vyborgskaya Line, known for its deep underground construction and central location near Vladimirskaya Square.
-
E.
Mayakovskaya metro station
Mayakovskaya metro station is a Saint Petersburg Metro station located near Nevsky Prospekt, known for its central location and role as a key transfer and transit point in the city’s 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: Nevsky Prospekt metro station Triple: [Tsentralny District of Saint Petersburg, contains, Nevsky Prospekt metro station]
Generated description
Nevsky Prospekt metro station is a major Saint Petersburg Metro station and key transfer hub located in the historic center of the city.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Nevsky Prospekt metro station Target entity description: Nevsky Prospekt metro station is a major Saint Petersburg Metro station and key transfer hub located in the historic center of the city.
-
A.
Spasskaya metro station
Spasskaya metro station is a Saint Petersburg Metro station that serves as a key transfer hub on the city’s network, located in the historic Admiralteysky District.
-
B.
Admiralteyskaya metro station
Admiralteyskaya metro station is a deep-level underground station on the Saint Petersburg Metro, located near the city’s historic center and major landmarks such as the Admiralty building and the Hermitage.
-
C.
Sennaya Ploshchad metro station
Sennaya Ploshchad metro station is a major Saint Petersburg Metro interchange station located in the historic city center, serving multiple lines and providing access to the busy Sennaya Square area.
-
D.
Vladimirskaya metro station
Vladimirskaya metro station is a Saint Petersburg Metro station on the Kirovsko–Vyborgskaya Line, known for its deep underground construction and central location near Vladimirskaya Square.
-
E.
Mayakovskaya metro station
Mayakovskaya metro station is a Saint Petersburg Metro station located near Nevsky Prospekt, known for its central location and role as a key transfer and transit point in the city’s 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_69a8862a26088190aae5243695aeefc0 |
completed | March 4, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69abb1e15f148190bf834ec5f3abf83e |
completed | March 7, 2026, 5:04 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae7edf084881908bb8db8e0348bfc8 |
completed | March 9, 2026, 8:03 a.m. |
| NEDg | Description generation | batch_69ae7faa64e48190b82e48165a931598 |
completed | March 9, 2026, 8:07 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ae801a87a88190ae461ca164b358a4 |
completed | March 9, 2026, 8:08 a.m. |
Created at: March 4, 2026, 7:35 p.m.