Triple

T509774
Position Surface form Disambiguated ID Type / Status
Subject Hoover Nature Trail E10579 entity
Predicate partOf P40 FINISHED
Object Rails-to-Trails network in Iowa
The Rails-to-Trails network in Iowa is a statewide system of former railroad corridors converted into multi-use recreational trails for walking, cycling, and other non-motorized activities.
 E63244 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: Rails-to-Trails network in Iowa | Statement: [Hoover Nature Trail, partOf, Rails-to-Trails network in Iowa]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Rails-to-Trails network in Iowa
Context triple: [Hoover Nature Trail, partOf, Rails-to-Trails network in Iowa]
  • A. Rails-to-Trails Conservancy
    Rails-to-Trails Conservancy is a U.S. nonprofit organization dedicated to transforming unused rail corridors and other pathways into multi-use trails for walking, cycling, and outdoor recreation.
  • B. Great American Rail-Trail
    The Great American Rail-Trail is a developing cross-country multiuse trail route that aims to connect existing and new rail-trails into a continuous path spanning the United States from Washington, D.C., to Washington State.
  • C. Torrey C. Brown Rail Trail
    The Torrey C. Brown Rail Trail is a popular multi-use recreational trail in Maryland that follows a former railroad corridor through scenic rural and wooded landscapes.
  • D. Illinois Prairie Path
    The Illinois Prairie Path is a pioneering multi-use rail-trail in northeastern Illinois, popular for walking, running, and cycling through suburban natural areas.
  • E. United States Numbered Bicycle Route System
    The United States Numbered Bicycle Route System is a developing national network of officially designated, long-distance cycling routes that connect states and regions across the country.
  • 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: Rails-to-Trails network in Iowa
Triple: [Hoover Nature Trail, partOf, Rails-to-Trails network in Iowa]
Generated description
The Rails-to-Trails network in Iowa is a statewide system of former railroad corridors converted into multi-use recreational trails for walking, cycling, and other non-motorized activities.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Rails-to-Trails network in Iowa
Target entity description: The Rails-to-Trails network in Iowa is a statewide system of former railroad corridors converted into multi-use recreational trails for walking, cycling, and other non-motorized activities.
  • A. Rails-to-Trails Conservancy
    Rails-to-Trails Conservancy is a U.S. nonprofit organization dedicated to transforming unused rail corridors and other pathways into multi-use trails for walking, cycling, and outdoor recreation.
  • B. Great American Rail-Trail
    The Great American Rail-Trail is a developing cross-country multiuse trail route that aims to connect existing and new rail-trails into a continuous path spanning the United States from Washington, D.C., to Washington State.
  • C. Torrey C. Brown Rail Trail
    The Torrey C. Brown Rail Trail is a popular multi-use recreational trail in Maryland that follows a former railroad corridor through scenic rural and wooded landscapes.
  • D. Illinois Prairie Path
    The Illinois Prairie Path is a pioneering multi-use rail-trail in northeastern Illinois, popular for walking, running, and cycling through suburban natural areas.
  • E. United States Numbered Bicycle Route System
    The United States Numbered Bicycle Route System is a developing national network of officially designated, long-distance cycling routes that connect states and regions across the country.
  • 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_69a2e848adf881908e5e04f7af030093 completed Feb. 28, 2026, 1:06 p.m.
NER Named-entity recognition batch_69a2f164a9d48190b525a97b5c06ffe2 completed Feb. 28, 2026, 1:45 p.m.
NED1 Entity disambiguation (via context triple) batch_69a49851b80081908375bb72d2d89ab0 completed March 1, 2026, 7:49 p.m.
NEDg Description generation batch_69a4991506808190a96386726cd0212e completed March 1, 2026, 7:52 p.m.
NED2 Entity disambiguation (via description) batch_69a499dbfdf08190bedce53795790963 completed March 1, 2026, 7:56 p.m.
Created at: Feb. 28, 2026, 1:12 p.m.