Triple
T15604257
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tsukuba Express |
E375114
|
entity |
| Predicate | rollingStock |
P1305
|
FINISHED |
| Object | TX-1000 series EMU |
E1099295
|
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: TX-1000 series EMU | Statement: [Tsukuba Express, rollingStock, TX-1000 series EMU]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: TX-1000 series EMU Context triple: [Tsukuba Express, rollingStock, TX-1000 series EMU]
-
A.
TX-1000 series EMU
chosen
The TX-1000 series EMU is a Japanese electric multiple unit train type operated on the Tsukuba Express line, designed for high-frequency commuter services in the Tokyo metropolitan area.
-
B.
TX-2000 series EMU
The TX-2000 series EMU is a Japanese electric multiple unit train used on the Tsukuba Express line, designed for high-speed, comfortable commuter service.
-
C.
Toei 6500 series EMU
The Toei 6500 series EMU is a modern Japanese electric multiple unit train operated by the Tokyo Metropolitan Bureau of Transportation, designed for through-services on Tokyo subway and interconnecting commuter lines.
-
D.
X60 EMU
The X60 EMU is a modern electric multiple unit train used for high-capacity commuter services in the Stockholm region.
-
E.
103 series EMU
The 103 series EMU is a Japanese commuter electric multiple unit train type that served extensively in urban areas such as Tokyo and Osaka from the 1960s, becoming one of Japan National Railways' most iconic and long-lived train series.
- 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_69d85cce25008190b13b52745fbd719b |
completed | April 10, 2026, 2:13 a.m. |
| NER | Named-entity recognition | batch_69e04e7d9328819090e93d55881269a5 |
completed | April 16, 2026, 2:50 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff56d1607c8190a42dc664abe45b32 |
completed | May 9, 2026, 3:46 p.m. |
Created at: April 10, 2026, 4:12 a.m.