Triple

T24782023

Position	Surface form	Disambiguated ID	Type / Status
Subject	Auto-Train Corporation service (1971–1981)	`E620018`	entity
Predicate	attemptedExpansion	`P157119`	FINISHED
Object	Louisville–Sanford route The Louisville–Sanford route was a proposed Auto-Train Corporation expansion linking Louisville, Kentucky, with Sanford, Florida, intended to extend the company’s car-carrying passenger rail service beyond its original corridor.	`E1654940`	NE FINISHED

How this triple was built (3 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: Louisville–Sanford route | Statement: [Auto-Train Corporation service (1971–1981), attemptedExpansion, Louisville–Sanford route]

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: Louisville–Sanford route
Triple: [Auto-Train Corporation service (1971–1981), attemptedExpansion, Louisville–Sanford route]

Generated description

The Louisville–Sanford route was a proposed Auto-Train Corporation expansion linking Louisville, Kentucky, with Sanford, Florida, intended to extend the company’s car-carrying passenger rail service beyond its original corridor.

PD Predicate disambiguation gpt-5-mini-2025-08-07

Target predicate: attemptedExpansion
Context triple: [Auto-Train Corporation service (1971–1981), attemptedExpansion, Louisville–Sanford route]

A. restrictedExpansionOf
Indicates a relationship where one entity is an expansion of another, but with added constraints or limitations that make it more specific or narrowly applicable than the original.
B. supportedExpansionOf
Indicates that one entity actively aided, endorsed, or facilitated the growth, extension, or enlargement of another entity or domain.
C. underExpansion
Indicates that one entity is in a state of expanding or growing beneath, or as a subordinate extension of, another entity.
D. expands
Indicates that one entity increases in size, volume, scope, or extent relative to a previous state or another entity.
E. hasExpansion
Indicates that one entity serves as a larger, extended, or elaborated form of another entity.
F. None of above. chosen

Provenance (7 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_69e2fabdbe8c8190adbb9434b8636cad`	completed	April 18, 2026, 3:30 a.m.
NER	Named-entity recognition	`batch_69f410d73b288190995b2ada5788f436`	completed	May 1, 2026, 2:32 a.m.
NED1	Entity disambiguation (via context triple)	`batch_6a101c2148888190a27769b761ea2154`	completed	May 22, 2026, 9:04 a.m.
NEDg	Description generation	`batch_6a1028676c7081909fc47b255611307a`	completed	May 22, 2026, 9:56 a.m.
NED2	Entity disambiguation (via description)	`batch_6a102955a7548190b17a2240f080e5ca`	completed	May 22, 2026, 10 a.m.
PD	Predicate disambiguation	`batch_69f40ef612c88190ab2f3f08d4a92018`	completed	May 1, 2026, 2:24 a.m.
PDg	Predicate description generation	`batch_69f410a001788190a457e41f53aaf90c`	completed	May 1, 2026, 2:32 a.m.

Created at: April 18, 2026, 4:44 a.m.