Triple
T5935542
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | JR East urban network |
E132032
|
entity |
| Predicate | hasLine |
P35
|
FINISHED |
| Object |
Narita Line (urban section)
Narita Line (urban section) is a commuter rail line in the Greater Tokyo area operated by JR East, connecting central Chiba with Narita and serving as part of the region’s urban rail network.
|
E692965
|
NE FINISHED |
How this triple was built (4 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: Narita Line (urban section) | Statement: [JR East urban network, hasLine, Narita Line (urban section)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Narita Line (urban section) Context triple: [JR East urban network, hasLine, Narita Line (urban section)]
-
A.
Rinkai Line
The Rinkai Line is a Tokyo railway line that connects central Tokyo with the waterfront Odaiba area and other bayside districts.
-
B.
Keio Inokashira Line
The Keio Inokashira Line is a private railway line in Tokyo operated by Keio Corporation, connecting Shibuya with the western suburb of Kichijōji and serving several popular residential and commercial districts along the way.
-
C.
Toei Oedo Line
The Toei Oedo Line is a major Tokyo subway loop and radial line operated by the Tokyo Metropolitan Bureau of Transportation, connecting central districts with many key commercial and residential areas.
-
D.
Toei Mita Line
The Toei Mita Line is a Tokyo subway line operated by the Tokyo Metropolitan Bureau of Transportation, running north–south through the city and connecting central Tokyo with its northern suburbs.
-
E.
Hanzomon Line
The Hanzomon Line is a major Tokyo Metro subway line in Tokyo, Japan, running east–west through central districts and providing key commuter connections across the city.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Narita Line (urban section) Triple: [JR East urban network, hasLine, Narita Line (urban section)]
Generated description
Narita Line (urban section) is a commuter rail line in the Greater Tokyo area operated by JR East, connecting central Chiba with Narita and serving as part of the region’s urban rail network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Narita Line (urban section) Target entity description: Narita Line (urban section) is a commuter rail line in the Greater Tokyo area operated by JR East, connecting central Chiba with Narita and serving as part of the region’s urban rail network.
-
A.
Rinkai Line
The Rinkai Line is a Tokyo railway line that connects central Tokyo with the waterfront Odaiba area and other bayside districts.
-
B.
Keio Inokashira Line
The Keio Inokashira Line is a private railway line in Tokyo operated by Keio Corporation, connecting Shibuya with the western suburb of Kichijōji and serving several popular residential and commercial districts along the way.
-
C.
Toei Oedo Line
The Toei Oedo Line is a major Tokyo subway loop and radial line operated by the Tokyo Metropolitan Bureau of Transportation, connecting central districts with many key commercial and residential areas.
-
D.
Toei Mita Line
The Toei Mita Line is a Tokyo subway line operated by the Tokyo Metropolitan Bureau of Transportation, running north–south through the city and connecting central Tokyo with its northern suburbs.
-
E.
Hanzomon Line
The Hanzomon Line is a major Tokyo Metro subway line in Tokyo, Japan, running east–west through central districts and providing key commuter connections across the city.
- F. None of above. chosen
Provenance (5 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_69c0085c55dc8190aa90e242c956e2fa |
completed | March 22, 2026, 3:18 p.m. |
| NER | Named-entity recognition | batch_69c038eb56ec81909be03509730b7cc1 |
completed | March 22, 2026, 6:46 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69caf5674c408190bdea241134fba474 |
completed | March 30, 2026, 10:12 p.m. |
| NEDg | Description generation | batch_69caf783b00481909aa22eb912b18247 |
completed | March 30, 2026, 10:21 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69caf9f86d808190880f7bb2fc8d4fe3 |
completed | March 30, 2026, 10:32 p.m. |
Created at: March 22, 2026, 4:01 p.m.