Triple
T7998436
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Kashiwa |
E186184
|
entity |
| Predicate | servedByRailwayLine |
P848
|
FINISHED |
| Object | Tsukuba Express (nearby via Nagareyama-ōtakanomori) |
E375114
|
NE FINISHED |
How this triple was built (2 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: Tsukuba Express (nearby via Nagareyama-ōtakanomori) | Statement: [Kashiwa, servedByRailwayLine, Tsukuba Express (nearby via Nagareyama-ōtakanomori)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tsukuba Express (nearby via Nagareyama-ōtakanomori) Context triple: [Kashiwa, servedByRailwayLine, Tsukuba Express (nearby via Nagareyama-ōtakanomori)]
-
A.
Tsukuba Express (nearby)
Tsukuba Express (nearby) is a high-speed commuter rail line in the Tokyo metropolitan area connecting Akihabara in central Tokyo with Tsukuba in Ibaraki Prefecture.
-
B.
Tsukuba Express
chosen
Tsukuba Express is a high-speed commuter railway line in Japan connecting central Tokyo with the city of Tsukuba in Ibaraki Prefecture.
-
C.
JR West Nara Line
The JR West Nara Line is a railway line in Japan operated by West Japan Railway Company that connects the Kyoto area with Nara, serving various cities and towns in between.
-
D.
Nankai Airport Line at Izumisano Station
The Nankai Airport Line at Izumisano Station is a railway line in Osaka Prefecture that provides direct access between central Osaka and Kansai International Airport.
-
E.
Kintetsu Nara Line
The Kintetsu Nara Line is a major private railway line in Japan connecting Osaka with the historic city of Nara, serving commuters and tourists across the Kansai region.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69ca82aaaf24819084b94d18f699ba53 |
completed | March 30, 2026, 2:03 p.m. |
| NER | Named-entity recognition | batch_69cb3c9a12788190a5607a538f4e07c1 |
completed | March 31, 2026, 3:16 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cbe114372c819086f06e184d5ebde2 |
completed | March 31, 2026, 2:58 p.m. |
Created at: March 30, 2026, 5:17 p.m.