Triple
T1516814
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Nankai Electric Railway |
E32139
|
entity |
| Predicate | operatesService |
P5884
|
FINISHED |
| Object |
Southern limited express
Southern limited express is a named limited express train service in Japan operated by Nankai Electric Railway, primarily connecting Osaka with Wakayama and Kansai International Airport.
|
E172921
|
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: Southern limited express | Statement: [Nankai Electric Railway, operatesService, Southern limited express]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Southern limited express Context triple: [Nankai Electric Railway, operatesService, Southern limited express]
-
A.
Congressional Limited Express
The Congressional Limited Express was a premier Pennsylvania Railroad passenger train that provided fast, luxurious service between New York City and Washington, D.C.
-
B.
Auto Train
Auto Train is a long-distance Amtrak service that carries both passengers and their vehicles nonstop between the Washington, D.C. area and central Florida.
-
C.
Regional-Express
Regional-Express is a category of medium-distance passenger trains in Germany that provide relatively fast regional connections between cities and towns, operated under the Deutsche Bahn network.
-
D.
InterCity
InterCity is a category of long-distance passenger trains in several European countries, notably providing fast, regular intercity rail services.
-
E.
Southeastern Highspeed
Southeastern Highspeed is a British high-speed rail operator providing fast passenger services between London and parts of Kent and East Sussex.
- 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: Southern limited express Triple: [Nankai Electric Railway, operatesService, Southern limited express]
Generated description
Southern limited express is a named limited express train service in Japan operated by Nankai Electric Railway, primarily connecting Osaka with Wakayama and Kansai International Airport.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Southern limited express Target entity description: Southern limited express is a named limited express train service in Japan operated by Nankai Electric Railway, primarily connecting Osaka with Wakayama and Kansai International Airport.
-
A.
Congressional Limited Express
The Congressional Limited Express was a premier Pennsylvania Railroad passenger train that provided fast, luxurious service between New York City and Washington, D.C.
-
B.
Auto Train
Auto Train is a long-distance Amtrak service that carries both passengers and their vehicles nonstop between the Washington, D.C. area and central Florida.
-
C.
Regional-Express
Regional-Express is a category of medium-distance passenger trains in Germany that provide relatively fast regional connections between cities and towns, operated under the Deutsche Bahn network.
-
D.
InterCity
InterCity is a category of long-distance passenger trains in several European countries, notably providing fast, regular intercity rail services.
-
E.
Southeastern Highspeed
Southeastern Highspeed is a British high-speed rail operator providing fast passenger services between London and parts of Kent and East Sussex.
- 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_69a885e8caf88190a5fbb6159ce87786 |
completed | March 4, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69aa61f688148190bcc7c14372ce5bd1 |
completed | March 6, 2026, 5:11 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad2344f8d8819082e1ae5c980d0525 |
completed | March 8, 2026, 7:20 a.m. |
| NEDg | Description generation | batch_69ad23d86d088190bbea03d5d49bc009 |
completed | March 8, 2026, 7:23 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ad2459c38c8190a8c166c2743a8936 |
completed | March 8, 2026, 7:25 a.m. |
Created at: March 4, 2026, 7:26 p.m.