Triple
T11696179
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Shinetsu Main Line |
E277999
|
entity |
| Predicate | historicalSection |
P101307
|
FINISHED |
| Object |
Takasaki–Nagaoka corridor
The Takasaki–Nagaoka corridor is a historically significant railway section in Japan that once formed a key part of the Shinetsu Main Line, linking the inland Kanto region with Niigata Prefecture.
|
E1094479
|
NE FINISHED |
How this triple was built (5 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: Takasaki–Nagaoka corridor | Statement: [Shinetsu Main Line, historicalSection, Takasaki–Nagaoka corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Takasaki–Nagaoka corridor Context triple: [Shinetsu Main Line, historicalSection, Takasaki–Nagaoka corridor]
-
A.
Sendai-Tobu Road
Sendai-Tobu Road is a regional expressway in Miyagi Prefecture, Japan, serving as part of the road network around the city of Sendai.
-
B.
Kawagoe Line
The Kawagoe Line is a railway line in the Greater Tokyo area of Japan operated by JR East, connecting Kawagoe with surrounding suburban cities and linking to major urban lines.
-
C.
Den-en-toshi Line
The Den-en-toshi Line is a major commuter railway line in the Greater Tokyo area that connects central Tokyo with suburban residential districts.
-
D.
Biwa-ko Line
The Biwa-ko Line is a major railway corridor in Japan operated by JR West that runs along the southern shore of Lake Biwa, connecting Kyoto and Shiga Prefecture with the broader Tōkaidō Main Line network.
-
E.
Toden Arakawa Line
The Toden Arakawa Line is one of Tokyo’s last remaining streetcar lines, running through northern and eastern parts of the city and serving as a nostalgic, tram-style alternative to subways and buses.
- 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: Takasaki–Nagaoka corridor Triple: [Shinetsu Main Line, historicalSection, Takasaki–Nagaoka corridor]
Generated description
The Takasaki–Nagaoka corridor is a historically significant railway section in Japan that once formed a key part of the Shinetsu Main Line, linking the inland Kanto region with Niigata Prefecture.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Takasaki–Nagaoka corridor Target entity description: The Takasaki–Nagaoka corridor is a historically significant railway section in Japan that once formed a key part of the Shinetsu Main Line, linking the inland Kanto region with Niigata Prefecture.
-
A.
Sendai-Tobu Road
Sendai-Tobu Road is a regional expressway in Miyagi Prefecture, Japan, serving as part of the road network around the city of Sendai.
-
B.
Kawagoe Line
The Kawagoe Line is a railway line in the Greater Tokyo area of Japan operated by JR East, connecting Kawagoe with surrounding suburban cities and linking to major urban lines.
-
C.
Den-en-toshi Line
The Den-en-toshi Line is a major commuter railway line in the Greater Tokyo area that connects central Tokyo with suburban residential districts.
-
D.
Biwa-ko Line
The Biwa-ko Line is a major railway corridor in Japan operated by JR West that runs along the southern shore of Lake Biwa, connecting Kyoto and Shiga Prefecture with the broader Tōkaidō Main Line network.
-
E.
Toden Arakawa Line
The Toden Arakawa Line is one of Tokyo’s last remaining streetcar lines, running through northern and eastern parts of the city and serving as a nostalgic, tram-style alternative to subways and buses.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: historicalSection Context triple: [Shinetsu Main Line, historicalSection, Takasaki–Nagaoka corridor]
-
A.
hasHistoricalSection
Indicates that something includes a dedicated part or segment that presents historical information or context.
-
B.
historicalCategory
Indicates that an entity is classified within a particular historical grouping, period, or type based on its time-related characteristics or context.
-
C.
historicalBackground
Indicates that one entity provides contextual historical information or circumstances that help explain the origin, development, or significance of another entity.
-
D.
historicalReference
Indicates that one entity refers to, cites, or alludes to another entity from an earlier time or historical context.
-
E.
historicalFocus
Indicates that something is primarily concerned with, centered on, or devoted to a particular historical period, event, or theme.
- F. None of above. chosen
Provenance (7 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_69d6aafe02d881909900d54ad7d4af84 |
completed | April 8, 2026, 7:22 p.m. |
| NER | Named-entity recognition | batch_69d8a47cef60819088b7cc3a3a711e4c |
completed | April 10, 2026, 7:19 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fd4c1d31048190ab0a8d8e00515211 |
completed | May 8, 2026, 2:36 a.m. |
| NEDg | Description generation | batch_69fd4cab717c819080d817d9851fe7c6 |
completed | May 8, 2026, 2:38 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69fd4d5b489081908016e62d4db476ce |
completed | May 8, 2026, 2:41 a.m. |
| PD | Predicate disambiguation | batch_69d88a7b30948190b616a9db5c5488d5 |
completed | April 10, 2026, 5:28 a.m. |
| PDg | Predicate description generation | batch_69d89546a8688190b51455b5e12caf91 |
completed | April 10, 2026, 6:14 a.m. |
Created at: April 8, 2026, 9:40 p.m.