Triple
T2868499
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Central Japan Railway Company |
E63498
|
entity |
| Predicate | railBrand |
P39149
|
FINISHED |
| Object |
JR Central conventional lines
JR Central conventional lines are the network of standard (non–Shinkansen) passenger and freight railway lines operated by Central Japan Railway Company across the Chūbu region of Japan.
|
E306034
|
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 Central conventional lines | Statement: [Central Japan Railway Company, railBrand, JR Central conventional lines]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: JR Central conventional lines Context triple: [Central Japan Railway Company, railBrand, JR Central conventional lines]
-
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 Yamanote Line
The JR Yamanote Line is a busy circular railway loop in central Tokyo that connects many of the city’s major urban hubs and transit interchanges.
-
C.
JR East urban network
The JR East urban network is a dense system of commuter and suburban railway lines in the Greater Tokyo and surrounding metropolitan areas operated by East Japan Railway Company (JR East).
-
D.
Urban Network (JR West)
Urban Network (JR West) is the branding for JR West’s dense commuter and regional rail system serving the greater Kansai metropolitan area and surrounding regions in western Japan.
-
E.
JR West Hanwa Line
The JR West Hanwa Line is a major railway line in Japan’s Kansai region operated by West Japan Railway Company, connecting central Osaka with southern Osaka Prefecture and Wakayama.
- 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 Central conventional lines Triple: [Central Japan Railway Company, railBrand, JR Central conventional lines]
Generated description
JR Central conventional lines are the network of standard (non–Shinkansen) passenger and freight railway lines operated by Central Japan Railway Company across the Chūbu region of Japan.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: JR Central conventional lines Target entity description: JR Central conventional lines are the network of standard (non–Shinkansen) passenger and freight railway lines operated by Central Japan Railway Company across the Chūbu region of 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 Yamanote Line
The JR Yamanote Line is a busy circular railway loop in central Tokyo that connects many of the city’s major urban hubs and transit interchanges.
-
C.
JR East urban network
The JR East urban network is a dense system of commuter and suburban railway lines in the Greater Tokyo and surrounding metropolitan areas operated by East Japan Railway Company (JR East).
-
D.
Urban Network (JR West)
Urban Network (JR West) is the branding for JR West’s dense commuter and regional rail system serving the greater Kansai metropolitan area and surrounding regions in western Japan.
-
E.
JR West Hanwa Line
The JR West Hanwa Line is a major railway line in Japan’s Kansai region operated by West Japan Railway Company, connecting central Osaka with southern Osaka Prefecture and Wakayama.
- 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.