Triple
T8114000
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sasebo |
E189425
|
entity |
| Predicate | railwayOperator |
P5620
|
FINISHED |
| Object |
Matsuura Railway
Matsuura Railway is a Japanese regional railway company that operates local train services in Nagasaki and Saga Prefectures.
|
E713170
|
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: Matsuura Railway | Statement: [Sasebo, railwayOperator, Matsuura Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Matsuura Railway Context triple: [Sasebo, railwayOperator, Matsuura Railway]
-
A.
Saitama Railway
Saitama Railway is a Japanese railway company operating a key commuter line that connects Saitama Prefecture with the greater Tokyo metropolitan rail network.
-
B.
Valsugana Railway
The Valsugana Railway is a regional rail line in northern Italy that connects Trento with Bassano del Grappa through the Valsugana valley.
-
C.
Sotobō Line
The Sotobō Line is a railway line in Chiba Prefecture, Japan, running along the Pacific coast of the Bōsō Peninsula and connecting suburban and regional communities with the greater Tokyo area.
-
D.
Tsuyama Line
The Tsuyama Line is a regional railway line in Okayama Prefecture, Japan, operated by JR West and known for connecting rural communities with the city of Tsuyama.
-
E.
Yumesaki Line
The Yumesaki Line is a railway line in Osaka, Japan, primarily serving access to the Osaka Bay area including major attractions such as Universal Studios Japan.
- 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: Matsuura Railway Triple: [Sasebo, railwayOperator, Matsuura Railway]
Generated description
Matsuura Railway is a Japanese regional railway company that operates local train services in Nagasaki and Saga Prefectures.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Matsuura Railway Target entity description: Matsuura Railway is a Japanese regional railway company that operates local train services in Nagasaki and Saga Prefectures.
-
A.
Saitama Railway
Saitama Railway is a Japanese railway company operating a key commuter line that connects Saitama Prefecture with the greater Tokyo metropolitan rail network.
-
B.
Valsugana Railway
The Valsugana Railway is a regional rail line in northern Italy that connects Trento with Bassano del Grappa through the Valsugana valley.
-
C.
Sotobō Line
The Sotobō Line is a railway line in Chiba Prefecture, Japan, running along the Pacific coast of the Bōsō Peninsula and connecting suburban and regional communities with the greater Tokyo area.
-
D.
Tsuyama Line
The Tsuyama Line is a regional railway line in Okayama Prefecture, Japan, operated by JR West and known for connecting rural communities with the city of Tsuyama.
-
E.
Yumesaki Line
The Yumesaki Line is a railway line in Osaka, Japan, primarily serving access to the Osaka Bay area including major attractions such as Universal Studios Japan.
- 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_69ca82baad008190ab2859712b9b1607 |
completed | March 30, 2026, 2:03 p.m. |
| NER | Named-entity recognition | batch_69cb432f2a24819097be6ab9b03567bd |
completed | March 31, 2026, 3:44 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cc943bdaa48190971bf57ae4fb5c21 |
completed | April 1, 2026, 3:42 a.m. |
| NEDg | Description generation | batch_69cc95586fc08190b16a1b0798ef6e31 |
completed | April 1, 2026, 3:47 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69cc96533cb88190b9c1fda1fc969cad |
completed | April 1, 2026, 3:51 a.m. |
Created at: March 30, 2026, 5:32 p.m.