Triple

T25820090
Position Surface form Disambiguated ID Type / Status
Subject Southern Pacific AC-11 E650375 entity
Predicate precededByClass P10130 FINISHED
Object Southern Pacific AC-10
The Southern Pacific AC-10 was a class of massive articulated cab-forward steam locomotives used by the Southern Pacific Railroad, primarily for hauling heavy freight over steep mountain grades in the early 1940s.
 E1701932 NE FINISHED

How this triple was built (2 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 Pacific AC-10 | Statement: [Southern Pacific AC-11, precededByClass, Southern Pacific AC-10]
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 Pacific AC-10
Triple: [Southern Pacific AC-11, precededByClass, Southern Pacific AC-10]
Generated description
The Southern Pacific AC-10 was a class of massive articulated cab-forward steam locomotives used by the Southern Pacific Railroad, primarily for hauling heavy freight over steep mountain grades in the early 1940s.

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_69e7ab367fcc8190a5ff1e7f3da046a4 completed April 21, 2026, 4:52 p.m.
NER Named-entity recognition batch_69f601909ea481909674a1438dede725 completed May 2, 2026, 1:52 p.m.
NED1 Entity disambiguation (via context triple) batch_6a10eca826ec819087e5031feb0d7960 completed May 22, 2026, 11:54 p.m.
NEDg Description generation batch_6a10ef87acc4819090ba7e1f69b4c36d completed May 23, 2026, 12:06 a.m.
NED2 Entity disambiguation (via description) batch_6a10f02156908190aa1fb061ae251f82 completed May 23, 2026, 12:09 a.m.
Created at: April 22, 2026, 7:28 a.m.