Triple
T11309484
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Hirakata |
E267799
|
entity |
| Predicate | railwayServedBy |
P782
|
FINISHED |
| Object |
JR Katamachi Line
The JR Katamachi Line, also known as the Gakkentoshi Line, is a commuter rail line in the Osaka–Kyoto region of Japan operated by JR West that connects central Osaka with suburban cities including Hirakata.
|
E1204333
|
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: JR Katamachi Line | Statement: [Hirakata, railwayServedBy, JR Katamachi Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: JR Katamachi Line Context triple: [Hirakata, railwayServedBy, JR Katamachi Line]
-
A.
JR Yumesaki Line
The JR Yumesaki Line is a railway line in Osaka, Japan, operated by JR West that connects central Osaka with the bay area, including major attractions such as Universal Studios Japan.
-
B.
Marunouchi Line
The Marunouchi Line is one of Tokyo’s main subway lines, forming a central loop and radial route that connects key business, shopping, and transit hubs across the city.
-
C.
JR Kusatsu Line
JR Kusatsu Line is a regional railway line in Japan operated by JR West that connects Kusatsu in Shiga Prefecture with surrounding areas.
-
D.
JR Negishi Line
The JR Negishi Line is a railway line in the Yokohama area of Japan that connects central Yokohama with surrounding districts and links to major JR lines serving the Greater Tokyo region.
-
E.
Karasuma Line
The Karasuma Line is a major Kyoto Municipal Subway line running north–south through Kyoto, connecting key districts and transportation hubs including Kyoto Station.
- 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: JR Katamachi Line Triple: [Hirakata, railwayServedBy, JR Katamachi Line]
Generated description
The JR Katamachi Line, also known as the Gakkentoshi Line, is a commuter rail line in the Osaka–Kyoto region of Japan operated by JR West that connects central Osaka with suburban cities including Hirakata.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: JR Katamachi Line Target entity description: The JR Katamachi Line, also known as the Gakkentoshi Line, is a commuter rail line in the Osaka–Kyoto region of Japan operated by JR West that connects central Osaka with suburban cities including Hirakata.
-
A.
JR Yumesaki Line
The JR Yumesaki Line is a railway line in Osaka, Japan, operated by JR West that connects central Osaka with the bay area, including major attractions such as Universal Studios Japan.
-
B.
Marunouchi Line
The Marunouchi Line is one of Tokyo’s main subway lines, forming a central loop and radial route that connects key business, shopping, and transit hubs across the city.
-
C.
JR Kusatsu Line
JR Kusatsu Line is a regional railway line in Japan operated by JR West that connects Kusatsu in Shiga Prefecture with surrounding areas.
-
D.
JR Negishi Line
The JR Negishi Line is a railway line in the Yokohama area of Japan that connects central Yokohama with surrounding districts and links to major JR lines serving the Greater Tokyo region.
-
E.
Karasuma Line
The Karasuma Line is a major Kyoto Municipal Subway line running north–south through Kyoto, connecting key districts and transportation hubs including Kyoto Station.
- 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_69d6aaca5c24819083db46a30d86cb34 |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7e9c0b3b88190ac0e3d6a5ad3b9bc |
completed | April 9, 2026, 6:02 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00179824c88190aeef28a08eb1a0c9 |
completed | May 10, 2026, 5:28 a.m. |
| NEDg | Description generation | batch_6a00184a16e0819089dffbe23b88bdb3 |
completed | May 10, 2026, 5:31 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a00190c5a0081909ad68e76b94c234a |
completed | May 10, 2026, 5:35 a.m. |
Created at: April 8, 2026, 9:32 p.m.