Triple
T2916612
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Otaru |
E78621
|
entity |
| Predicate | railwayLine |
P848
|
FINISHED |
| Object |
Hakodate Main Line
The Hakodate Main Line is a major railway corridor in Hokkaido, Japan, connecting key cities including Hakodate and Sapporo and serving as one of the region’s primary transport routes.
|
E519736
|
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: Hakodate Main Line | Statement: [Otaru, railwayLine, Hakodate Main Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Hakodate Main Line Context triple: [Otaru, railwayLine, Hakodate Main Line]
-
A.
Hokkaido Main Line
The Hokkaido Main Line is a major railway corridor in Hokkaido, Japan, connecting key cities and serving as one of the region’s primary transportation routes.
-
B.
Kosei Line
The Kosei Line is a railway line in Japan operated by JR West that runs along the western shore of Lake Biwa, connecting Kyoto with the Shiga and Fukui prefecture areas.
-
C.
Keihin-Tōhoku Line
The Keihin-Tōhoku Line is a major JR East commuter rail line in the Greater Tokyo area that runs north–south through Tokyo, connecting Saitama and Kanagawa prefectures.
-
D.
Sōbu Line
The Sōbu Line is a major Japan Railways (JR) commuter and intercity railway line in the Tokyo–Chiba area, connecting central Tokyo with eastern suburbs and cities in Chiba Prefecture.
-
E.
Tōhoku Main Line
The Tōhoku Main Line is a major Japanese railway corridor running through the Tōhoku region, historically serving as the primary conventional rail route between Tokyo and northern Honshu.
- 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: Hakodate Main Line Triple: [Otaru, railwayLine, Hakodate Main Line]
Generated description
The Hakodate Main Line is a major railway corridor in Hokkaido, Japan, connecting key cities including Hakodate and Sapporo and serving as one of the region’s primary transport routes.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Hakodate Main Line Target entity description: The Hakodate Main Line is a major railway corridor in Hokkaido, Japan, connecting key cities including Hakodate and Sapporo and serving as one of the region’s primary transport routes.
-
A.
Hokkaido Main Line
The Hokkaido Main Line is a major railway corridor in Hokkaido, Japan, connecting key cities and serving as one of the region’s primary transportation routes.
-
B.
Kosei Line
The Kosei Line is a railway line in Japan operated by JR West that runs along the western shore of Lake Biwa, connecting Kyoto with the Shiga and Fukui prefecture areas.
-
C.
Keihin-Tōhoku Line
The Keihin-Tōhoku Line is a major JR East commuter rail line in the Greater Tokyo area that runs north–south through Tokyo, connecting Saitama and Kanagawa prefectures.
-
D.
Sōbu Line
The Sōbu Line is a major Japan Railways (JR) commuter and intercity railway line in the Tokyo–Chiba area, connecting central Tokyo with eastern suburbs and cities in Chiba Prefecture.
-
E.
Tōhoku Main Line
The Tōhoku Main Line is a major Japanese railway corridor running through the Tōhoku region, historically serving as the primary conventional rail route between Tokyo and northern Honshu.
- 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_69ad8b0c2ad081909ff87050ae542bb9 |
completed | March 8, 2026, 2:43 p.m. |
| NER | Named-entity recognition | batch_69ad96a2bdd88190aa01c26a27f9afbd |
completed | March 8, 2026, 3:32 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bf3a763c5081909cfb4b209207c859 |
completed | March 22, 2026, 12:40 a.m. |
| NEDg | Description generation | batch_69bf3b1bfaec8190a9c1cfa734e1a529 |
completed | March 22, 2026, 12:43 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69bf3ec2e6c88190a7e965d06455dccd |
completed | March 22, 2026, 12:58 a.m. |
Created at: March 8, 2026, 2:53 p.m.