Triple
T12049040
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | 千駄ヶ谷 |
E286864
|
entity |
| Predicate | servedByLine |
P1293
|
FINISHED |
| Object | JR中央・総武緩行線 |
E251132
|
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: JR中央・総武緩行線 | Statement: [千駄ヶ谷, servedByLine, JR中央・総武緩行線]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: JR中央・総武緩行線 Context triple: [千駄ヶ谷, servedByLine, JR中央・総武緩行線]
-
A.
JR Central conventional lines
JR Central conventional lines are the network of standard (non–Shinkansen) passenger and freight railway lines operated by Central Japan Railway Company across the Chūbu region of Japan.
-
B.
JR East rail lines
JR East rail lines are a network of passenger railway services operated by the East Japan Railway Company that connect major cities and regions across eastern Honshu, including Chiba.
-
C.
JR Tōzai Line
The JR Tōzai Line is a commuter rail line in the Kansai region of Japan operated by West Japan Railway Company (JR West), connecting Kyōbashi in Osaka with Amagasaki in Hyōgo via central Osaka.
-
D.
JR Chuo-Sobu Line
chosen
The JR Chuo-Sobu Line is a major local railway line in Tokyo and surrounding areas operated by JR East, connecting central city districts and numerous commuter neighborhoods.
-
E.
JR Yamanote Line
The JR Yamanote Line is a busy circular railway loop in central Tokyo that connects many of the city’s major urban hubs and transit interchanges.
- 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_69d6ab4780948190bdb9f7620c2ac27e |
completed | April 8, 2026, 7:23 p.m. |
| NER | Named-entity recognition | batch_69d904227958819084dbd5eb2566c735 |
completed | April 10, 2026, 2:07 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f49dc459308190bc88cb550e1d5b86 |
completed | May 1, 2026, 12:34 p.m. |
Created at: April 8, 2026, 9:47 p.m.