Triple
T6199484
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | E235 series EMU |
E138591
|
entity |
| Predicate | usedOnLine |
P15252
|
FINISHED |
| Object |
Joban Line (local services)
The Joban Line (local services) is a commuter rail service in the Greater Tokyo area of Japan, providing frequent local train connections along the Jōban Line corridor.
|
E575100
|
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: Joban Line (local services) | Statement: [E235 series EMU, usedOnLine, Joban Line (local services)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Joban Line (local services) Context triple: [E235 series EMU, usedOnLine, Joban Line (local services)]
-
A.
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.
-
B.
Keio Line bus services
Keio Line bus services are a network of bus routes operated by the Keio Group in the Tokyo area, providing local and feeder connections to Keio railway stations and surrounding neighborhoods.
-
C.
Karasuma Line
The Karasuma Line is a major Kyoto Municipal Subway line running north–south through Kyoto, connecting key districts and transportation hubs including Kyoto Station.
-
D.
Sōbu Line Rapid
The Sōbu Line Rapid is a Japanese railway service operated by JR East that provides fast commuter and intercity connections between central Tokyo and eastern Chiba Prefecture.
-
E.
Yurikamome Line
The Yurikamome Line is an automated, elevated transit line in Tokyo that connects central Tokyo with the Odaiba waterfront area, offering scenic views including a crossing of the Rainbow Bridge.
- 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: Joban Line (local services) Triple: [E235 series EMU, usedOnLine, Joban Line (local services)]
Generated description
The Joban Line (local services) is a commuter rail service in the Greater Tokyo area of Japan, providing frequent local train connections along the Jōban Line corridor.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Joban Line (local services) Target entity description: The Joban Line (local services) is a commuter rail service in the Greater Tokyo area of Japan, providing frequent local train connections along the Jōban Line corridor.
-
A.
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.
-
B.
Keio Line bus services
Keio Line bus services are a network of bus routes operated by the Keio Group in the Tokyo area, providing local and feeder connections to Keio railway stations and surrounding neighborhoods.
-
C.
Karasuma Line
The Karasuma Line is a major Kyoto Municipal Subway line running north–south through Kyoto, connecting key districts and transportation hubs including Kyoto Station.
-
D.
Sōbu Line Rapid
The Sōbu Line Rapid is a Japanese railway service operated by JR East that provides fast commuter and intercity connections between central Tokyo and eastern Chiba Prefecture.
-
E.
Yurikamome Line
The Yurikamome Line is an automated, elevated transit line in Tokyo that connects central Tokyo with the Odaiba waterfront area, offering scenic views including a crossing of the Rainbow Bridge.
- 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_69c008acbea48190991c6b834bb45d65 |
completed | March 22, 2026, 3:20 p.m. |
| NER | Named-entity recognition | batch_69c06253534c8190aafe70a6cf5a67ec |
completed | March 22, 2026, 9:42 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c16f302984819089c6a17dda476a4b |
completed | March 23, 2026, 4:49 p.m. |
| NEDg | Description generation | batch_69c1c9a4bdd481909f836be4167befea |
completed | March 23, 2026, 11:15 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c1ca257cb88190bee32a8ecb15c02b |
completed | March 23, 2026, 11:17 p.m. |
Created at: March 22, 2026, 4:20 p.m.