Triple

T2857798

Position	Surface form	Disambiguated ID	Type / Status
Subject	Rails-to-Trails network in Iowa	`E63244`	entity
Predicate	hasPart	`P35`	FINISHED
Object	Riverview Trail (Iowa) Riverview Trail (Iowa) is a recreational multi-use path converted from a former rail corridor, offering scenic walking and biking opportunities along the Rails-to-Trails network in Iowa.	`E308342`	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: Riverview Trail (Iowa) | Statement: [Rails-to-Trails network in Iowa, hasPart, Riverview Trail (Iowa)]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Riverview Trail (Iowa)
Context triple: [Rails-to-Trails network in Iowa, hasPart, Riverview Trail (Iowa)]

A. Raccoon River Valley Trail
The Raccoon River Valley Trail is a popular multi-use recreational trail in central Iowa that follows a former railroad corridor through rural communities, farmland, and scenic river landscapes.
B. Riverside Trail (Iowa City–Coralville)
Riverside Trail (Iowa City–Coralville) is a multi-use recreational path connecting Iowa City and Coralville, Iowa, popular for walking, running, and cycling along the Iowa River.
C. WIOWASH Trail (Iowa segment)
WIOWASH Trail (Iowa segment) is a converted rail-trail corridor in Iowa that provides a multi-use recreational path for activities like walking, cycling, and nature observation.
D. Gilbert Trail (Iowa)
Gilbert Trail (Iowa) is a recreational multi-use path in Iowa that forms part of the state’s Rails-to-Trails network, offering walking, running, and cycling opportunities along a converted former rail corridor.
E. Root River State Trail
Root River State Trail is a scenic multi-use recreational trail in southeastern Minnesota that follows the Root River through small towns and rural landscapes, popular for biking, hiking, and cross-country skiing.
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: Riverview Trail (Iowa)
Triple: [Rails-to-Trails network in Iowa, hasPart, Riverview Trail (Iowa)]

Generated description

Riverview Trail (Iowa) is a recreational multi-use path converted from a former rail corridor, offering scenic walking and biking opportunities along the Rails-to-Trails network in Iowa.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Riverview Trail (Iowa)
Target entity description: Riverview Trail (Iowa) is a recreational multi-use path converted from a former rail corridor, offering scenic walking and biking opportunities along the Rails-to-Trails network in Iowa.

A. Raccoon River Valley Trail
The Raccoon River Valley Trail is a popular multi-use recreational trail in central Iowa that follows a former railroad corridor through rural communities, farmland, and scenic river landscapes.
B. Riverside Trail (Iowa City–Coralville)
Riverside Trail (Iowa City–Coralville) is a multi-use recreational path connecting Iowa City and Coralville, Iowa, popular for walking, running, and cycling along the Iowa River.
C. WIOWASH Trail (Iowa segment)
WIOWASH Trail (Iowa segment) is a converted rail-trail corridor in Iowa that provides a multi-use recreational path for activities like walking, cycling, and nature observation.
D. Gilbert Trail (Iowa)
Gilbert Trail (Iowa) is a recreational multi-use path in Iowa that forms part of the state’s Rails-to-Trails network, offering walking, running, and cycling opportunities along a converted former rail corridor.
E. Root River State Trail
Root River State Trail is a scenic multi-use recreational trail in southeastern Minnesota that follows the Root River through small towns and rural landscapes, popular for biking, hiking, and cross-country skiing.
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_69ab4c41e8c08190a9e8f5249cc12610`	completed	March 6, 2026, 9:50 p.m.
NER	Named-entity recognition	`batch_69abdf89d3b4819086936f26d8683a2a`	completed	March 7, 2026, 8:19 a.m.
NED1	Entity disambiguation (via context triple)	`batch_69b03147229c81909e2f47f1ec40633d`	completed	March 10, 2026, 2:57 p.m.
NEDg	Description generation	`batch_69b031c2edb08190bc86dc639eee9272`	completed	March 10, 2026, 2:59 p.m.
NED2	Entity disambiguation (via description)	`batch_69b039a5d7748190a44b878a5be62f54`	completed	March 10, 2026, 3:32 p.m.

Created at: March 6, 2026, 10:02 p.m.