Triple
T6926079
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Seibu Ikebukuro Line |
E160312
|
entity |
| Predicate | throughServicesTo |
P66391
|
FINISHED |
| Object | Tobu Tojo Line |
E156031
|
NE FINISHED |
How this triple was built (3 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: Tobu Tojo Line | Statement: [Seibu Ikebukuro Line, throughServicesTo, Tobu Tojo Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tobu Tojo Line Context triple: [Seibu Ikebukuro Line, throughServicesTo, Tobu Tojo Line]
-
A.
Tobu Tojo Line
chosen
The Tobu Tojo Line is a major private railway line in the Greater Tokyo area operated by Tobu Railway, connecting Ikebukuro in central Tokyo with suburban Saitama Prefecture.
-
B.
Tobu Nikko Line
The Tobu Nikko Line is a private railway line in Japan operated by Tobu Railway that connects the Tokyo area with the historic and scenic Nikko region in Tochigi Prefecture.
-
C.
Tobu Isesaki Line
The Tobu Isesaki Line is a major private railway line in the Greater Tokyo area operated by Tobu Railway, connecting central Tokyo with Saitama and Gunma Prefectures.
-
D.
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.
-
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.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: throughServicesTo Context triple: [Seibu Ikebukuro Line, throughServicesTo, Tobu Tojo Line]
-
A.
throughServiceToLine
chosen
Indicates that a service operates through or along a specified line, establishing a through-service relationship between the service and the line.
-
B.
throughServicesWithOtherOperators
Indicates that an entity provides or participates in through-services that are jointly operated or coordinated with other operators.
-
C.
hasThroughServiceWith
Indicates that two transportation services are operationally linked so that a passenger or shipment can continue from one to the other without a separate booking or major interruption.
-
D.
nonTerminusThroughService
Indicates that a service passes through a location without that location being the starting point or final terminus of the service.
-
E.
operatesServiceTo
Indicates that one entity runs or provides a transportation or service route to another entity or location.
- F. None of above.
Provenance (4 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_69c6884d350081908d8a970e4d40ad78 |
completed | March 27, 2026, 1:38 p.m. |
| NER | Named-entity recognition | batch_69c6da1aa9c48190b63a04be2ed9e266 |
completed | March 27, 2026, 7:27 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f08ec96fe88190b791e6f50f39173f |
completed | April 28, 2026, 10:41 a.m. |
| PD | Predicate disambiguation | batch_69c6d7bb577c81908ee8b415b4281f3d |
completed | March 27, 2026, 7:17 p.m. |
Created at: March 27, 2026, 2:27 p.m.