Triple
T12801606
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | JR Tōkai |
E306031
|
entity |
| Predicate | operatesRailLine |
P15252
|
FINISHED |
| Object |
Taita Line
The Taita Line is a regional railway line in Japan connecting Gifu and Tajimi, serving as a local commuter and intercity link in central Honshu.
|
E1002372
|
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: Taita Line | Statement: [JR Tōkai, operatesRailLine, Taita Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Taita Line Context triple: [JR Tōkai, operatesRailLine, Taita Line]
-
A.
Ljabru Line
The Ljabru Line is a tram line in Oslo, Norway, forming part of the city’s light rail network and serving the southeastern district of Ljabru.
-
B.
Tua Line
Tua Line is a scenic narrow-gauge railway in northeastern Portugal, known for running along the Tua River through rugged, picturesque landscapes.
-
C.
Suigun Line
The Suigun Line is a regional railway line in eastern Japan that connects Mito in Ibaraki Prefecture with inland areas, providing local passenger rail services through rural communities.
-
D.
Pangrango Line
The Pangrango Line is a passenger railway route in West Java, Indonesia, connecting Bogor with Sukabumi and serving as an important regional commuter and intercity link.
-
E.
Bantan Line
The Bantan Line is a regional railway line in Hyōgo Prefecture, Japan, operated by JR West and known for connecting inland cities such as Himeji and Asago.
- 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: Taita Line Triple: [JR Tōkai, operatesRailLine, Taita Line]
Generated description
The Taita Line is a regional railway line in Japan connecting Gifu and Tajimi, serving as a local commuter and intercity link in central Honshu.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Taita Line Target entity description: The Taita Line is a regional railway line in Japan connecting Gifu and Tajimi, serving as a local commuter and intercity link in central Honshu.
-
A.
Ljabru Line
The Ljabru Line is a tram line in Oslo, Norway, forming part of the city’s light rail network and serving the southeastern district of Ljabru.
-
B.
Tua Line
Tua Line is a scenic narrow-gauge railway in northeastern Portugal, known for running along the Tua River through rugged, picturesque landscapes.
-
C.
Suigun Line
The Suigun Line is a regional railway line in eastern Japan that connects Mito in Ibaraki Prefecture with inland areas, providing local passenger rail services through rural communities.
-
D.
Pangrango Line
The Pangrango Line is a passenger railway route in West Java, Indonesia, connecting Bogor with Sukabumi and serving as an important regional commuter and intercity link.
-
E.
Bantan Line
The Bantan Line is a regional railway line in Hyōgo Prefecture, Japan, operated by JR West and known for connecting inland cities such as Himeji and Asago.
- 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_69d7bdf366888190a8cccb982606889c |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d96e7d3f5c8190bf01bef5d263ca26 |
completed | April 10, 2026, 9:41 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6851143588190b0980e760e030b0b |
completed | May 2, 2026, 11:13 p.m. |
| NEDg | Description generation | batch_69f687fffe9c81909c58129162a0c231 |
completed | May 2, 2026, 11:25 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f688cc57048190ba7bacdcd6c0c182 |
completed | May 2, 2026, 11:29 p.m. |
Created at: April 9, 2026, 5:30 p.m.