Triple
T9499355
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | 81-717/714 series |
E229094
|
entity |
| Predicate | usedIn |
P98
|
FINISHED |
| Object |
Samara Metro
Samara Metro is the rapid transit system serving the city of Samara, Russia, providing urban rail transportation across several key districts.
|
E805184
|
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: Samara Metro | Statement: [81-717/714 series, usedIn, Samara Metro]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Samara Metro Context triple: [81-717/714 series, usedIn, Samara Metro]
-
A.
Novosibirsk Metro
Novosibirsk Metro is a rapid transit system in Novosibirsk, Russia, serving as a key component of the city's public transportation network with several lines and stations across the urban area.
-
B.
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.
-
C.
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.
-
D.
Sofia Metro
Sofia Metro is the rapid transit system serving Bulgaria’s capital city, providing high-capacity urban rail transport across Sofia and its metropolitan area.
-
E.
Bolshaya Koltsevaya Line
The Bolshaya Koltsevaya Line is a major circular line of the Moscow Metro designed to significantly expand capacity and improve connectivity across the city’s rapid transit 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: Samara Metro Triple: [81-717/714 series, usedIn, Samara Metro]
Generated description
Samara Metro is the rapid transit system serving the city of Samara, Russia, providing urban rail transportation across several key districts.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Samara Metro Target entity description: Samara Metro is the rapid transit system serving the city of Samara, Russia, providing urban rail transportation across several key districts.
-
A.
Novosibirsk Metro
Novosibirsk Metro is a rapid transit system in Novosibirsk, Russia, serving as a key component of the city's public transportation network with several lines and stations across the urban area.
-
B.
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.
-
C.
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.
-
D.
Sofia Metro
Sofia Metro is the rapid transit system serving Bulgaria’s capital city, providing high-capacity urban rail transport across Sofia and its metropolitan area.
-
E.
Bolshaya Koltsevaya Line
The Bolshaya Koltsevaya Line is a major circular line of the Moscow Metro designed to significantly expand capacity and improve connectivity across the city’s rapid transit 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_69ca84753660819098e8d416e89e26ae |
completed | March 30, 2026, 2:11 p.m. |
| NER | Named-entity recognition | batch_69cd983a94c48190a7ddf95a953c4ecc |
completed | April 1, 2026, 10:12 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d14c02de448190a2feea16d5461726 |
completed | April 4, 2026, 5:36 p.m. |
| NEDg | Description generation | batch_69d14cef4c248190a8dd7b01c9e25a9e |
completed | April 4, 2026, 5:39 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69d14d5dad98819089c49afd3d097c1f |
completed | April 4, 2026, 5:41 p.m. |
Created at: March 30, 2026, 7:56 p.m.