Triple
T3499089
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chuo Line (Osaka Metro) |
E73920
|
entity |
| Predicate | terminusStation |
P15150
|
FINISHED |
| Object |
Nagata Station
Nagata Station is a railway station in Higashiōsaka, Osaka Prefecture, Japan, serving as a key interchange between the Osaka Metro Chūō Line and the Kintetsu Keihanna Line.
|
E738093
|
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: Nagata Station | Statement: [Chuo Line (Osaka Metro), terminusStation, Nagata Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nagata Station Context triple: [Chuo Line (Osaka Metro), terminusStation, Nagata Station]
-
A.
Nakatsu Station
Nakatsu Station is a railway station in Osaka, Japan, serving as a stop on major urban transit lines and providing access to the city's central districts.
-
B.
Shijō Station
Shijō Station is a major underground metro station on the Kyoto Municipal Subway network, serving as a key transit point in central Kyoto near the city’s main commercial district.
-
C.
Otsuka Station
Otsuka Station is a railway station in Tokyo, Japan, served by JR East and known for its location on the busy Yamanote Line loop.
-
D.
Nagaoka Station
Nagaoka Station is a major railway hub in Niigata Prefecture, Japan, serving both local and Shinkansen high-speed train lines.
-
E.
Kawaguchi Station
Kawaguchi Station is a railway station in Kawaguchi, Saitama Prefecture, Japan, operated by East Japan Railway Company (JR East).
- 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: Nagata Station Triple: [Chuo Line (Osaka Metro), terminusStation, Nagata Station]
Generated description
Nagata Station is a railway station in Higashiōsaka, Osaka Prefecture, Japan, serving as a key interchange between the Osaka Metro Chūō Line and the Kintetsu Keihanna Line.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Nagata Station Target entity description: Nagata Station is a railway station in Higashiōsaka, Osaka Prefecture, Japan, serving as a key interchange between the Osaka Metro Chūō Line and the Kintetsu Keihanna Line.
-
A.
Nakatsu Station
Nakatsu Station is a railway station in Osaka, Japan, serving as a stop on major urban transit lines and providing access to the city's central districts.
-
B.
Shijō Station
Shijō Station is a major underground metro station on the Kyoto Municipal Subway network, serving as a key transit point in central Kyoto near the city’s main commercial district.
-
C.
Otsuka Station
Otsuka Station is a railway station in Tokyo, Japan, served by JR East and known for its location on the busy Yamanote Line loop.
-
D.
Nagaoka Station
Nagaoka Station is a major railway hub in Niigata Prefecture, Japan, serving both local and Shinkansen high-speed train lines.
-
E.
Kawaguchi Station
Kawaguchi Station is a railway station in Kawaguchi, Saitama Prefecture, Japan, operated by East Japan Railway Company (JR East).
- 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_69ad85cdb6e48190a335d412b9194ed8 |
completed | March 8, 2026, 2:21 p.m. |
| NER | Named-entity recognition | batch_69adbbd3ad548190abbfae820bf3b66d |
completed | March 8, 2026, 6:11 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ce4d3697848190be759069962a8f00 |
completed | April 2, 2026, 11:04 a.m. |
| NEDg | Description generation | batch_69ce4f556a408190b404481a32b2457b |
completed | April 2, 2026, 11:13 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ce503737a4819083ebf9f410eac826 |
completed | April 2, 2026, 11:17 a.m. |
Created at: March 8, 2026, 3:18 p.m.