Triple
T6203601
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Keio Corporation |
E138695
|
entity |
| Predicate | ownsLine |
P69641
|
FINISHED |
| Object | Keio Sagamihara Line |
E807436
|
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: Keio Sagamihara Line | Statement: [Keio Corporation, ownsLine, Keio Sagamihara Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Keio Sagamihara Line Context triple: [Keio Corporation, ownsLine, Keio Sagamihara Line]
-
A.
Keio Sagamihara Line
chosen
The Keio Sagamihara Line is a commuter railway line in the Tokyo metropolitan area operated by Keio Corporation, connecting suburban communities with central Tokyo.
-
B.
Keio Keibajō Line
The Keio Keibajō Line is a short branch railway line in Tokyo, Japan, operated by Keio Corporation to serve the Tokyo Racecourse area.
-
C.
Tōkyū Ōimachi Line
The Tōkyū Ōimachi Line is a major commuter railway line in Tokyo operated by Tokyu Corporation, connecting central Tokyo areas such as Ōimachi and Futako-Tamagawa with surrounding residential districts.
-
D.
Keio Dōbutsuen Line
The Keio Dōbutsuen Line is a short branch railway line in Hino, Tokyo, operated by Keio Corporation, primarily serving visitors to the Tama Zoo and nearby attractions.
-
E.
Tōkyū Ikegami Line
The Tōkyū Ikegami Line is a commuter railway line in Tokyo operated by Tokyu Corporation, connecting residential areas in Ōta Ward with central districts such as Shinagawa.
- 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_69c008acbea48190991c6b834bb45d65 |
completed | March 22, 2026, 3:20 p.m. |
| NER | Named-entity recognition | batch_69c0626c23f481909d2b5b0a75c2ffff |
completed | March 22, 2026, 9:43 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d20c75bf508190a812c87950cb5227 |
completed | April 5, 2026, 7:17 a.m. |
Created at: March 22, 2026, 4:20 p.m.