Triple
T8335261
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Iga |
E195170
|
entity |
| Predicate | hasLocalRailway |
P58937
|
FINISHED |
| Object |
Iga Railway Iga Line
Iga Railway Iga Line is a regional railway route in Mie Prefecture, Japan, known for serving the city of Iga and its surrounding communities.
|
E724822
|
NE FINISHED |
How this triple was built (5 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: Iga Railway Iga Line | Statement: [Iga, hasLocalRailway, Iga Railway Iga Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Iga Railway Iga Line Context triple: [Iga, hasLocalRailway, Iga Railway Iga Line]
-
A.
Shinano Railway Line
The Shinano Railway Line is a regional rail line in Nagano Prefecture, Japan, operated by Shinano Railway and serving as a key local corridor through the area.
-
B.
Wakayamakō Line
The Wakayamakō Line is a railway line in Wakayama Prefecture, Japan, providing passenger service between central Wakayama and the Wakayama Port area.
-
C.
Itsukaichi Line
The Itsukaichi Line is a regional railway line in western Tokyo, Japan, operated by JR East, connecting suburban communities with the broader Tokyo rail network.
-
D.
Hanzōmon Line
The Hanzōmon Line is a Tokyo Metro subway line in Tokyo, Japan, connecting central districts with eastern and southwestern suburbs as part of the city’s urban rail network.
-
E.
Takasaki Line
The Takasaki Line is a major railway line in Japan operated by JR East that connects the Tokyo metropolitan area with Saitama and Gunma Prefectures, serving as an important commuter and intercity route.
- 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: Iga Railway Iga Line Triple: [Iga, hasLocalRailway, Iga Railway Iga Line]
Generated description
Iga Railway Iga Line is a regional railway route in Mie Prefecture, Japan, known for serving the city of Iga and its surrounding communities.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Iga Railway Iga Line Target entity description: Iga Railway Iga Line is a regional railway route in Mie Prefecture, Japan, known for serving the city of Iga and its surrounding communities.
-
A.
Shinano Railway Line
The Shinano Railway Line is a regional rail line in Nagano Prefecture, Japan, operated by Shinano Railway and serving as a key local corridor through the area.
-
B.
Wakayamakō Line
The Wakayamakō Line is a railway line in Wakayama Prefecture, Japan, providing passenger service between central Wakayama and the Wakayama Port area.
-
C.
Itsukaichi Line
The Itsukaichi Line is a regional railway line in western Tokyo, Japan, operated by JR East, connecting suburban communities with the broader Tokyo rail network.
-
D.
Hanzōmon Line
The Hanzōmon Line is a Tokyo Metro subway line in Tokyo, Japan, connecting central districts with eastern and southwestern suburbs as part of the city’s urban rail network.
-
E.
Takasaki Line
The Takasaki Line is a major railway line in Japan operated by JR East that connects the Tokyo metropolitan area with Saitama and Gunma Prefectures, serving as an important commuter and intercity route.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: hasLocalRailway Context triple: [Iga, hasLocalRailway, Iga Railway Iga Line]
-
A.
hasLocalRailOperator
Indicates that a specified rail operator is responsible for providing local or regional rail services within a particular area or network.
-
B.
servesLocalTrains
Indicates that a station or facility provides service or stops specifically for local (non-express) train routes.
-
C.
hasRailRoute
chosen
Indicates that there exists a rail-based transportation route or connection between the related entities.
-
D.
isOnRailway
Indicates that one entity is positioned on, aligned with, or traveling along a railway track or railway system in relation to another entity.
-
E.
hasRailStation
Indicates that one entity possesses, contains, or is served by a rail station.
- F. None of above.
Provenance (6 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_69ca82e87f2c8190bdb71ee29dfc642d |
completed | March 30, 2026, 2:04 p.m. |
| NER | Named-entity recognition | batch_69cb7fd2ca648190991e398ba70caf8d |
completed | March 31, 2026, 8:03 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cd95d9b92c8190b1eb0e64aa7ea59e |
completed | April 1, 2026, 10:02 p.m. |
| NEDg | Description generation | batch_69cda342c10881908ebafc7853815424 |
completed | April 1, 2026, 10:59 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69cdab736f208190a90bd4344b21a22c |
completed | April 1, 2026, 11:34 p.m. |
| PD | Predicate disambiguation | batch_69cb70c3231c81909e3d463192c9de22 |
completed | March 31, 2026, 6:59 a.m. |
Created at: March 30, 2026, 5:57 p.m.