Triple
T11012982
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chuo-ku, Osaka |
E260288
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object |
Keihan Main Line (near Kitahama)
The Keihan Main Line near Kitahama is a major commuter railway corridor in central Osaka that connects the city with Kyoto and serves key business and commercial districts.
|
E900045
|
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: Keihan Main Line (near Kitahama) | Statement: [Chuo-ku, Osaka, servedBy, Keihan Main Line (near Kitahama)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Keihan Main Line (near Kitahama) Context triple: [Chuo-ku, Osaka, servedBy, Keihan Main Line (near Kitahama)]
-
A.
Sanyō Main Line (urban section)
The Sanyō Main Line (urban section) is a heavily used commuter and intercity railway corridor in the Osaka–Kobe–Himeji metropolitan area of western Japan operated as part of JR West’s Urban Network.
-
B.
Keihan Uji Line
The Keihan Uji Line is a Japanese railway line operated by Keihan Electric Railway that connects Kyoto’s suburban areas with the historic city of Uji, known for its temples and tea culture.
-
C.
Hankyu Itami Line
The Hankyu Itami Line is a short commuter railway line in Hyōgo Prefecture, Japan, connecting the city of Itami with the broader Hankyu Railway network in the Osaka metropolitan area.
-
D.
Tōkaidō Main Line (urban section)
The Tōkaidō Main Line (urban section) is a heavily used commuter rail corridor in the Osaka–Kobe–Kyoto metropolitan area, forming a key part of JR West’s high-frequency urban rail services.
-
E.
Kintetsu Namba Line
The Kintetsu Namba Line is a major commuter railway line in Osaka, Japan, operated by Kintetsu Railway and connecting central Osaka with the wider Kintetsu network.
- 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: Keihan Main Line (near Kitahama) Triple: [Chuo-ku, Osaka, servedBy, Keihan Main Line (near Kitahama)]
Generated description
The Keihan Main Line near Kitahama is a major commuter railway corridor in central Osaka that connects the city with Kyoto and serves key business and commercial districts.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Keihan Main Line (near Kitahama) Target entity description: The Keihan Main Line near Kitahama is a major commuter railway corridor in central Osaka that connects the city with Kyoto and serves key business and commercial districts.
-
A.
Sanyō Main Line (urban section)
The Sanyō Main Line (urban section) is a heavily used commuter and intercity railway corridor in the Osaka–Kobe–Himeji metropolitan area of western Japan operated as part of JR West’s Urban Network.
-
B.
Keihan Uji Line
The Keihan Uji Line is a Japanese railway line operated by Keihan Electric Railway that connects Kyoto’s suburban areas with the historic city of Uji, known for its temples and tea culture.
-
C.
Hankyu Itami Line
The Hankyu Itami Line is a short commuter railway line in Hyōgo Prefecture, Japan, connecting the city of Itami with the broader Hankyu Railway network in the Osaka metropolitan area.
-
D.
Tōkaidō Main Line (urban section)
The Tōkaidō Main Line (urban section) is a heavily used commuter rail corridor in the Osaka–Kobe–Kyoto metropolitan area, forming a key part of JR West’s high-frequency urban rail services.
-
E.
Kintetsu Namba Line
The Kintetsu Namba Line is a major commuter railway line in Osaka, Japan, operated by Kintetsu Railway and connecting central Osaka with the wider Kintetsu network.
- 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_69d6aa9687448190b28d353b1b6a610e |
completed | April 8, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69d7978b1e888190b297f107f6021b59 |
completed | April 9, 2026, 12:11 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e374c238ac81908e0a5eff958d6545 |
completed | April 18, 2026, 12:10 p.m. |
| NEDg | Description generation | batch_69e37ab6ca788190ac41f9494ad9a47f |
completed | April 18, 2026, 12:36 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69e37c9439fc8190a69cfb1a13da4c19 |
completed | April 18, 2026, 12:44 p.m. |
Created at: April 8, 2026, 9:25 p.m.