Triple
T5083215
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chicago, Burlington and Quincy Railroad |
E114572
|
entity |
| Predicate | operatedService |
P5884
|
FINISHED |
| Object |
Mark Twain Zephyr
The Mark Twain Zephyr was a streamlined, stainless-steel passenger train set named after author Mark Twain that operated in the mid-20th century in the American Midwest.
|
E492684
|
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: Mark Twain Zephyr | Statement: [Chicago, Burlington and Quincy Railroad, operatedService, Mark Twain Zephyr]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mark Twain Zephyr Context triple: [Chicago, Burlington and Quincy Railroad, operatedService, Mark Twain Zephyr]
-
A.
Eilleen Twain
Eilleen Twain is the birth name of Shania Twain, the Canadian singer-songwriter famed for her influential country and pop crossover hits.
-
B.
Melvil
Melvil is the given name of Melvil Dewey, the American librarian and educator best known for creating the Dewey Decimal Classification system.
-
C.
These Twain
"These Twain" is a 1915 novel by Arnold Bennett that continues the story of Edwin Clayhanger and Hilda Lessways, exploring the complexities of their married life in an English provincial town.
-
D.
Sycamore Sam
Sycamore Sam is the costumed mascot representing Indiana State University's athletic teams, especially the men's basketball program.
-
E.
Pleasant Hannibal Clemens
Pleasant Hannibal Clemens was a relative of the American author Mark Twain (Samuel Langhorne Clemens), belonging to the Clemens family.
- 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: Mark Twain Zephyr Triple: [Chicago, Burlington and Quincy Railroad, operatedService, Mark Twain Zephyr]
Generated description
The Mark Twain Zephyr was a streamlined, stainless-steel passenger train set named after author Mark Twain that operated in the mid-20th century in the American Midwest.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Mark Twain Zephyr Target entity description: The Mark Twain Zephyr was a streamlined, stainless-steel passenger train set named after author Mark Twain that operated in the mid-20th century in the American Midwest.
-
A.
Eilleen Twain
Eilleen Twain is the birth name of Shania Twain, the Canadian singer-songwriter famed for her influential country and pop crossover hits.
-
B.
Melvil
Melvil is the given name of Melvil Dewey, the American librarian and educator best known for creating the Dewey Decimal Classification system.
-
C.
These Twain
"These Twain" is a 1915 novel by Arnold Bennett that continues the story of Edwin Clayhanger and Hilda Lessways, exploring the complexities of their married life in an English provincial town.
-
D.
Sycamore Sam
Sycamore Sam is the costumed mascot representing Indiana State University's athletic teams, especially the men's basketball program.
-
E.
Pleasant Hannibal Clemens
Pleasant Hannibal Clemens was a relative of the American author Mark Twain (Samuel Langhorne Clemens), belonging to the Clemens family.
- 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_69bd443dbf908190a9401e9c2dc7bd7d |
completed | March 20, 2026, 12:57 p.m. |
| NER | Named-entity recognition | batch_69bd7517af308190bab5507a9344bf68 |
completed | March 20, 2026, 4:25 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69beb135912c81909dd32d21b604e1b1 |
completed | March 21, 2026, 2:54 p.m. |
| NEDg | Description generation | batch_69beb3ea65b081908efa86e273f50da9 |
completed | March 21, 2026, 3:06 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69beb44cd56c81909faf4c6485169315 |
completed | March 21, 2026, 3:07 p.m. |
Created at: March 20, 2026, 1:39 p.m.