Triple
T271180
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Texas Eagle |
E5635
|
entity |
| Predicate | extendsWithConnectionTo |
P845
|
FINISHED |
| Object |
Los Angeles via Sunset Limited
Los Angeles via Sunset Limited refers to the through-service connection provided by Amtrak’s Sunset Limited train that allows passengers to travel between the Texas Eagle route and Los Angeles.
|
E35286
|
NE FINISHED |
How this triple was built (5 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: Los Angeles via Sunset Limited | Statement: [Texas Eagle, extendsWithConnectionTo, Los Angeles via Sunset Limited]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Los Angeles via Sunset Limited Context triple: [Texas Eagle, extendsWithConnectionTo, Los Angeles via Sunset Limited]
-
A.
Coast Starlight
Coast Starlight is a long-distance Amtrak passenger train renowned for its scenic route along the U.S. West Coast between Los Angeles and Seattle.
-
B.
Crossroads of America
Crossroads of America is a nickname for Indianapolis that reflects its historic and contemporary role as a major national transportation and logistics hub.
-
C.
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.
-
D.
Southwest Chief
The Southwest Chief is a long-distance Amtrak passenger train route that runs between Chicago and Los Angeles, traversing the Midwest, the Great Plains, and the desert Southwest.
-
E.
California Zephyr
The California Zephyr is a long-distance passenger train route in the United States that runs through the Rocky Mountains and Sierra Nevada, often regarded as one of the most scenic rail journeys in North America.
- 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: Los Angeles via Sunset Limited Triple: [Texas Eagle, extendsWithConnectionTo, Los Angeles via Sunset Limited]
Generated description
Los Angeles via Sunset Limited refers to the through-service connection provided by Amtrak’s Sunset Limited train that allows passengers to travel between the Texas Eagle route and Los Angeles.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Los Angeles via Sunset Limited Target entity description: Los Angeles via Sunset Limited refers to the through-service connection provided by Amtrak’s Sunset Limited train that allows passengers to travel between the Texas Eagle route and Los Angeles.
-
A.
Coast Starlight
Coast Starlight is a long-distance Amtrak passenger train renowned for its scenic route along the U.S. West Coast between Los Angeles and Seattle.
-
B.
Crossroads of America
Crossroads of America is a nickname for Indianapolis that reflects its historic and contemporary role as a major national transportation and logistics hub.
-
C.
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.
-
D.
Southwest Chief
The Southwest Chief is a long-distance Amtrak passenger train route that runs between Chicago and Los Angeles, traversing the Midwest, the Great Plains, and the desert Southwest.
-
E.
California Zephyr
The California Zephyr is a long-distance passenger train route in the United States that runs through the Rocky Mountains and Sierra Nevada, often regarded as one of the most scenic rail journeys in North America.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: extendsWithConnectionTo Context triple: [Texas Eagle, extendsWithConnectionTo, Los Angeles via Sunset Limited]
-
A.
connectsTo
chosen
Indicates a relationship where one entity is linked or joined to another, allowing interaction, communication, or transfer between them.
-
B.
extendsTo
Indicates that one entity reaches, stretches, or continues its scope, influence, or coverage up to or into another entity.
-
C.
hasJunctionWith
Indicates that one entity meets or intersects with another at a shared junction point.
-
D.
mayExtendTo
Indicates that something has the potential or permission to reach, continue, or be applied up to a specified limit, scope, or boundary.
-
E.
confluenceWith
Indicates that one entity joins or merges together with another, typically at a shared meeting point.
- F. None of above.
Provenance (6 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_69a25853594c8190b05ec3a586ec88bf |
completed | Feb. 28, 2026, 2:52 a.m. |
| NER | Named-entity recognition | batch_69a25e69a9248190b9e7959b43223baa |
completed | Feb. 28, 2026, 3:18 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a38f51aeac81908c6d398e650dc315 |
completed | March 1, 2026, 12:58 a.m. |
| NEDg | Description generation | batch_69a38fbfac808190b2b551dcbfe6faff |
completed | March 1, 2026, 1 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a3903779e88190a00c44a522e82022 |
completed | March 1, 2026, 1:02 a.m. |
| PD | Predicate disambiguation | batch_69a25b721180819080d43c43fcbccf87 |
completed | Feb. 28, 2026, 3:05 a.m. |
Created at: Feb. 28, 2026, 2:57 a.m.