Triple
T8363236
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Narita Airport Terminal 1 Station |
E197060
|
entity |
| Predicate | railwayLine |
P848
|
FINISHED |
| Object |
Narita Airport Line (Keisei)
The Narita Airport Line (Keisei) is a Japanese railway line operated by Keisei Electric Railway that provides rapid rail access between central Tokyo and Narita International Airport.
|
E871070
|
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 Airport Line (Keisei) | Statement: [Narita Airport Terminal 1 Station, railwayLine, Narita Airport Line (Keisei)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Narita Airport Line (Keisei) Context triple: [Narita Airport Terminal 1 Station, railwayLine, Narita Airport Line (Keisei)]
-
A.
Keikyū Airport Line
The Keikyū Airport Line is a railway line in the Tokyo area that provides direct train access between central Tokyo and Haneda Airport.
-
B.
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.
-
C.
Keio Sagamihara Line
The Keio Sagamihara Line is a commuter railway line in the Tokyo metropolitan area operated by Keio Corporation, connecting suburban communities with central Tokyo.
-
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.
Musashino Line
The Musashino Line is a major JR East commuter rail line in the Greater Tokyo area that forms an orbital route through the suburbs, connecting key residential and commercial districts.
- 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 Airport Line (Keisei) Triple: [Narita Airport Terminal 1 Station, railwayLine, Narita Airport Line (Keisei)]
Generated description
The Narita Airport Line (Keisei) is a Japanese railway line operated by Keisei Electric Railway that provides rapid rail access between central Tokyo and Narita International Airport.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Narita Airport Line (Keisei) Target entity description: The Narita Airport Line (Keisei) is a Japanese railway line operated by Keisei Electric Railway that provides rapid rail access between central Tokyo and Narita International Airport.
-
A.
Keikyū Airport Line
The Keikyū Airport Line is a railway line in the Tokyo area that provides direct train access between central Tokyo and Haneda Airport.
-
B.
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.
-
C.
Keio Sagamihara Line
The Keio Sagamihara Line is a commuter railway line in the Tokyo metropolitan area operated by Keio Corporation, connecting suburban communities with central Tokyo.
-
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.
Musashino Line
The Musashino Line is a major JR East commuter rail line in the Greater Tokyo area that forms an orbital route through the suburbs, connecting key residential and commercial districts.
- 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_69ca82f2dbe48190aba982e75a0d94de |
completed | March 30, 2026, 2:04 p.m. |
| NER | Named-entity recognition | batch_69cb80768b208190a5f6c9e6cb6e7f30 |
completed | March 31, 2026, 8:06 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d9330fa33c8190b507ad18362a6c64 |
completed | April 10, 2026, 5:27 p.m. |
| NEDg | Description generation | batch_69d93802a4488190aa86ae209650d4e7 |
completed | April 10, 2026, 5:48 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69d938fcc3c48190a4acaaf75c1aa304 |
completed | April 10, 2026, 5:53 p.m. |
Created at: March 30, 2026, 6 p.m.