Triple
T1195530
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Keio Inokashira Line |
E25658
|
entity |
| Predicate | connectsTo |
P845
|
FINISHED |
| Object |
Keio Line at Meidaimae Station
The Keio Line at Meidaimae Station is a major commuter rail line in Tokyo operated by Keio Corporation, providing key suburban–central city connectivity and an interchange with the Keio Inokashira Line.
|
E159564
|
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: Keio Line at Meidaimae Station | Statement: [Keio Inokashira Line, connectsTo, Keio Line at Meidaimae Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Keio Line at Meidaimae Station Context triple: [Keio Inokashira Line, connectsTo, Keio Line at Meidaimae Station]
-
A.
JR Chūō Line at Kichijōji Station
The JR Chūō Line at Kichijōji Station is a major commuter rail line in western Tokyo that provides rapid access between the popular Kichijōji area and central Tokyo hubs such as Shinjuku and Tokyo Station.
-
B.
JR Lines at Kanda
JR Lines at Kanda refers to the Japan Railways train services that stop at Kanda Station in Tokyo, a key commuter hub connecting multiple JR lines with the Tokyo Metro network.
-
C.
Tokyo Metro Tozai Line at Nihonbashi
Tokyo Metro Tozai Line at Nihonbashi is a key underground railway line stop in central Tokyo that serves the Nihonbashi business district and connects with multiple other subway lines for convenient citywide access.
-
D.
Toei Asakusa Line at Nihonbashi
The Toei Asakusa Line at Nihonbashi is a station on Tokyo’s Toei Asakusa subway line located in the Nihonbashi district, providing convenient transfers to other central Tokyo lines and access to a major commercial and business area.
-
E.
Shuri Station
Shuri Station is a railway station in Naha, Okinawa, serving as a key stop on the Okinawa Urban Monorail (Yui Rail) near the historic Shuri Castle area.
- 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: Keio Line at Meidaimae Station Triple: [Keio Inokashira Line, connectsTo, Keio Line at Meidaimae Station]
Generated description
The Keio Line at Meidaimae Station is a major commuter rail line in Tokyo operated by Keio Corporation, providing key suburban–central city connectivity and an interchange with the Keio Inokashira Line.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Keio Line at Meidaimae Station Target entity description: The Keio Line at Meidaimae Station is a major commuter rail line in Tokyo operated by Keio Corporation, providing key suburban–central city connectivity and an interchange with the Keio Inokashira Line.
-
A.
JR Chūō Line at Kichijōji Station
The JR Chūō Line at Kichijōji Station is a major commuter rail line in western Tokyo that provides rapid access between the popular Kichijōji area and central Tokyo hubs such as Shinjuku and Tokyo Station.
-
B.
JR Lines at Kanda
JR Lines at Kanda refers to the Japan Railways train services that stop at Kanda Station in Tokyo, a key commuter hub connecting multiple JR lines with the Tokyo Metro network.
-
C.
Tokyo Metro Tozai Line at Nihonbashi
Tokyo Metro Tozai Line at Nihonbashi is a key underground railway line stop in central Tokyo that serves the Nihonbashi business district and connects with multiple other subway lines for convenient citywide access.
-
D.
Toei Asakusa Line at Nihonbashi
The Toei Asakusa Line at Nihonbashi is a station on Tokyo’s Toei Asakusa subway line located in the Nihonbashi district, providing convenient transfers to other central Tokyo lines and access to a major commercial and business area.
-
E.
Shuri Station
Shuri Station is a railway station in Naha, Okinawa, serving as a key stop on the Okinawa Urban Monorail (Yui Rail) near the historic Shuri Castle area.
- 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_69a49429f5ec8190a6a205eb0ae81e5e |
completed | March 1, 2026, 7:31 p.m. |
| NER | Named-entity recognition | batch_69a4bd7a756c819085d695acfffeaceb |
completed | March 1, 2026, 10:28 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69acde099eb88190ac354f3b4efb0965 |
completed | March 8, 2026, 2:25 a.m. |
| NEDg | Description generation | batch_69acde7990b4819082a1bcb50215d4f1 |
completed | March 8, 2026, 2:27 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69acdee2d71481908a735d5685693ca8 |
completed | March 8, 2026, 2:28 a.m. |
Created at: March 1, 2026, 7:46 p.m.