Triple
T233445
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Karelian Isthmus |
E4456
|
entity |
| Predicate | railConnection |
P848
|
FINISHED |
| Object |
Saint Petersburg–Vyborg railway
The Saint Petersburg–Vyborg railway is a major rail line in northwestern Russia that connects the city of Saint Petersburg with the town of Vyborg across the Karelian Isthmus.
|
E4456
|
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–Vyborg railway | Statement: [Karelian Isthmus, railConnection, Saint Petersburg–Vyborg railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Saint Petersburg–Vyborg railway Context triple: [Karelian Isthmus, railConnection, Saint Petersburg–Vyborg railway]
-
A.
Rhine Railway
The Rhine Railway is a major railway line in Western Europe that connects key cities along the Rhine corridor, facilitating both international passenger and freight transport.
-
B.
Karelian Isthmus
The Karelian Isthmus is a strategically important land corridor between the Gulf of Finland and Lake Ladoga in northwestern Russia, historically contested between Finland and Russia and heavily fortified and fought over in the 20th century.
-
C.
JR Yumesaki Line
The JR Yumesaki Line is a railway line in Osaka, Japan, operated by JR West that connects central Osaka with the bay area, including major attractions such as Universal Studios Japan.
-
D.
Nevsky Prospekt
Nevsky Prospekt is the main avenue and one of the most famous streets in St. Petersburg, known for its historic architecture, cultural institutions, and role as the city’s central thoroughfare.
-
E.
Pelham Line
The Pelham Line is a New York City Subway route in the Bronx and Manhattan, operated by the IRT division and primarily served by the 6 train.
- 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–Vyborg railway Triple: [Karelian Isthmus, railConnection, Saint Petersburg–Vyborg railway]
Generated description
The Saint Petersburg–Vyborg railway is a major rail line in northwestern Russia that connects the city of Saint Petersburg with the town of Vyborg across the Karelian Isthmus.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Saint Petersburg–Vyborg railway Target entity description: The Saint Petersburg–Vyborg railway is a major rail line in northwestern Russia that connects the city of Saint Petersburg with the town of Vyborg across the Karelian Isthmus.
-
A.
Rhine Railway
The Rhine Railway is a major railway line in Western Europe that connects key cities along the Rhine corridor, facilitating both international passenger and freight transport.
-
B.
Karelian Isthmus
chosen
The Karelian Isthmus is a strategically important land corridor between the Gulf of Finland and Lake Ladoga in northwestern Russia, historically contested between Finland and Russia and heavily fortified and fought over in the 20th century.
-
C.
JR Yumesaki Line
The JR Yumesaki Line is a railway line in Osaka, Japan, operated by JR West that connects central Osaka with the bay area, including major attractions such as Universal Studios Japan.
-
D.
Nevsky Prospekt
Nevsky Prospekt is the main avenue and one of the most famous streets in St. Petersburg, known for its historic architecture, cultural institutions, and role as the city’s central thoroughfare.
-
E.
Pelham Line
The Pelham Line is a New York City Subway route in the Bronx and Manhattan, operated by the IRT division and primarily served by the 6 train.
- F. None of above.
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_69a257363ffc81909757bde7ab3404da |
completed | Feb. 28, 2026, 2:47 a.m. |
| NER | Named-entity recognition | batch_69a25cb07b5c8190a482154819912abf |
completed | Feb. 28, 2026, 3:10 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a362bd591c8190940e6b1cd81017ae |
completed | Feb. 28, 2026, 9:48 p.m. |
| NEDg | Description generation | batch_69a3632b0efc8190967d00b6a8dcfa4e |
completed | Feb. 28, 2026, 9:50 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a36381ebd0819093a26d587c11ebe4 |
completed | Feb. 28, 2026, 9:52 p.m. |
Created at: Feb. 28, 2026, 2:53 a.m.