Triple
T2868460
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Central Japan Railway Company |
E63498
|
entity |
| Predicate | shortName |
P43
|
FINISHED |
| Object |
JR Tōkai
JR Tōkai is a major Japanese railway company that operates the Tōkaidō Shinkansen high-speed rail line and other rail services in central Japan.
|
E306031
|
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: JR Tōkai | Statement: [Central Japan Railway Company, shortName, JR Tōkai]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: JR Tōkai Context triple: [Central Japan Railway Company, shortName, JR Tōkai]
-
A.
JR Chuo-Sobu Line
The JR Chuo-Sobu Line is a major local railway line in Tokyo and surrounding areas operated by JR East, connecting central city districts and numerous commuter neighborhoods.
-
B.
JR Hokkaido
JR Hokkaido is a regional railway company in Japan that operates passenger train services and related businesses across the island of Hokkaido.
-
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.
JR Saikyo Line
The JR Saikyo Line is a major commuter rail line in the Tokyo metropolitan area operated by JR East, connecting central Tokyo with Saitama Prefecture and serving key hubs such as Shibuya and Shinjuku.
-
E.
Jōetsu Shinkansen
The Jōetsu Shinkansen is a high-speed rail line in Japan that connects Tokyo with the Niigata region, providing rapid passenger service through central Honshu.
- 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: JR Tōkai Triple: [Central Japan Railway Company, shortName, JR Tōkai]
Generated description
JR Tōkai is a major Japanese railway company that operates the Tōkaidō Shinkansen high-speed rail line and other rail services in central Japan.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: JR Tōkai Target entity description: JR Tōkai is a major Japanese railway company that operates the Tōkaidō Shinkansen high-speed rail line and other rail services in central Japan.
-
A.
JR Chuo-Sobu Line
The JR Chuo-Sobu Line is a major local railway line in Tokyo and surrounding areas operated by JR East, connecting central city districts and numerous commuter neighborhoods.
-
B.
JR Hokkaido
JR Hokkaido is a regional railway company in Japan that operates passenger train services and related businesses across the island of Hokkaido.
-
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.
JR Saikyo Line
The JR Saikyo Line is a major commuter rail line in the Tokyo metropolitan area operated by JR East, connecting central Tokyo with Saitama Prefecture and serving key hubs such as Shibuya and Shinjuku.
-
E.
Jōetsu Shinkansen
The Jōetsu Shinkansen is a high-speed rail line in Japan that connects Tokyo with the Niigata region, providing rapid passenger service through central Honshu.
- 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_69ab4c42fb8c8190b36e161d47c03b81 |
completed | March 6, 2026, 9:50 p.m. |
| NER | Named-entity recognition | batch_69abdfdfef1881909dc52a1b34cd24e3 |
completed | March 7, 2026, 8:20 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b01dabb19c8190822ac992ab764446 |
completed | March 10, 2026, 1:33 p.m. |
| NEDg | Description generation | batch_69b01e34639c8190b1c6e8a14cd31d96 |
completed | March 10, 2026, 1:35 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b01f5a6784819089499926fb115d9c |
completed | March 10, 2026, 1:40 p.m. |
Created at: March 6, 2026, 10:02 p.m.