Triple
T16079428
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Kanda River |
E390064
|
entity |
| Predicate | crossedBy |
P416
|
FINISHED |
| Object |
Chūō Main Line railway bridges
The Chūō Main Line railway bridges are a series of rail bridges in Tokyo that carry JR East’s Chūō Main Line across the Kanda River and surrounding urban areas.
|
E1193030
|
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: Chūō Main Line railway bridges | Statement: [Kanda River, crossedBy, Chūō Main Line railway bridges]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chūō Main Line railway bridges Context triple: [Kanda River, crossedBy, Chūō Main Line railway bridges]
-
A.
Tamagawa Railway Bridge
Tamagawa Railway Bridge is a railway bridge in Japan that carries train lines across the Tama River, connecting areas of Tokyo and its surroundings.
-
B.
Yamato River Bridge (multiple road and rail bridges)
Yamato River Bridge refers collectively to several adjacent road and railway bridges that span the Yamato River in Japan, carrying both vehicular and train traffic across the waterway.
-
C.
Tamagawa Bridge
Tamagawa Bridge is a notable bridge spanning the Tama River in Japan, serving as an important transportation link between parts of Tokyo and its neighboring areas.
-
D.
Seto Ohashi Bridge system
The Seto Ohashi Bridge system is a series of double-deck road-and-rail suspension and cable-stayed bridges in Japan that spans the Seto Inland Sea, linking the islands of Honshu and Shikoku.
-
E.
Demachiyanagi bridges
Demachiyanagi bridges are a set of river crossings in Kyoto, Japan, that span the Kamo River near the Demachiyanagi area, connecting important urban and residential districts.
- 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: Chūō Main Line railway bridges Triple: [Kanda River, crossedBy, Chūō Main Line railway bridges]
Generated description
The Chūō Main Line railway bridges are a series of rail bridges in Tokyo that carry JR East’s Chūō Main Line across the Kanda River and surrounding urban areas.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Chūō Main Line railway bridges Target entity description: The Chūō Main Line railway bridges are a series of rail bridges in Tokyo that carry JR East’s Chūō Main Line across the Kanda River and surrounding urban areas.
-
A.
Tamagawa Railway Bridge
Tamagawa Railway Bridge is a railway bridge in Japan that carries train lines across the Tama River, connecting areas of Tokyo and its surroundings.
-
B.
Yamato River Bridge (multiple road and rail bridges)
Yamato River Bridge refers collectively to several adjacent road and railway bridges that span the Yamato River in Japan, carrying both vehicular and train traffic across the waterway.
-
C.
Tamagawa Bridge
Tamagawa Bridge is a notable bridge spanning the Tama River in Japan, serving as an important transportation link between parts of Tokyo and its neighboring areas.
-
D.
Seto Ohashi Bridge system
The Seto Ohashi Bridge system is a series of double-deck road-and-rail suspension and cable-stayed bridges in Japan that spans the Seto Inland Sea, linking the islands of Honshu and Shikoku.
-
E.
Demachiyanagi bridges
Demachiyanagi bridges are a set of river crossings in Kyoto, Japan, that span the Kamo River near the Demachiyanagi area, connecting important urban and residential districts.
- 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_69d86daf32ec8190a8c0466c8f49c3c0 |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e18448bebc8190b0e84b1da097bf8b |
completed | April 17, 2026, 12:52 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ffe48adec081909623355eabee472c |
completed | May 10, 2026, 1:51 a.m. |
| NEDg | Description generation | batch_69ffe6af1c4081908b57f4dc485fbb14 |
completed | May 10, 2026, 2 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ffe769d56081908f723e92d327e315 |
completed | May 10, 2026, 2:03 a.m. |
Created at: April 10, 2026, 4:57 a.m.