Triple
T12801749
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | JR Central conventional lines |
E306034
|
entity |
| Predicate | includesLine |
P2124
|
FINISHED |
| Object |
Takayama Main Line (JR Central section)
The Takayama Main Line (JR Central section) is a scenic conventional railway route in central Japan operated by JR Central, known for connecting inland cities through mountainous Gifu and surrounding prefectures.
|
E1002375
|
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: Takayama Main Line (JR Central section) | Statement: [JR Central conventional lines, includesLine, Takayama Main Line (JR Central section)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Takayama Main Line (JR Central section) Context triple: [JR Central conventional lines, includesLine, Takayama Main Line (JR Central section)]
-
A.
Shinetsu Main Line
The Shinetsu Main Line is a major railway line in Japan operated by JR East that historically connected the Tokyo region with Niigata Prefecture across central Honshu.
-
B.
Jōetsu Line
The Jōetsu Line is a major railway line in Japan operated by JR East that connects the Kanto region with Niigata Prefecture through the mountainous interior of Honshu.
-
C.
JR Sekihoku Main Line
The JR Sekihoku Main Line is a railway line in Hokkaido, Japan, operated by JR Hokkaido that connects Asahikawa and Abashiri across the island’s interior.
-
D.
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.
-
E.
Keisei Main Line
The Keisei Main Line is a major private railway line in the Tokyo area operated by Keisei Electric Railway, connecting central Tokyo with Narita and Chiba Prefecture.
- 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: Takayama Main Line (JR Central section) Triple: [JR Central conventional lines, includesLine, Takayama Main Line (JR Central section)]
Generated description
The Takayama Main Line (JR Central section) is a scenic conventional railway route in central Japan operated by JR Central, known for connecting inland cities through mountainous Gifu and surrounding prefectures.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Takayama Main Line (JR Central section) Target entity description: The Takayama Main Line (JR Central section) is a scenic conventional railway route in central Japan operated by JR Central, known for connecting inland cities through mountainous Gifu and surrounding prefectures.
-
A.
Shinetsu Main Line
The Shinetsu Main Line is a major railway line in Japan operated by JR East that historically connected the Tokyo region with Niigata Prefecture across central Honshu.
-
B.
Jōetsu Line
The Jōetsu Line is a major railway line in Japan operated by JR East that connects the Kanto region with Niigata Prefecture through the mountainous interior of Honshu.
-
C.
JR Sekihoku Main Line
The JR Sekihoku Main Line is a railway line in Hokkaido, Japan, operated by JR Hokkaido that connects Asahikawa and Abashiri across the island’s interior.
-
D.
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.
-
E.
Keisei Main Line
The Keisei Main Line is a major private railway line in the Tokyo area operated by Keisei Electric Railway, connecting central Tokyo with Narita and Chiba Prefecture.
- 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.