Triple

T7481324
Position Surface form Disambiguated ID Type / Status
Subject Point State Park E176763 entity
Predicate isAccessibleBy P1985 FINISHED
Object Three Rivers Heritage Trail
The Three Rivers Heritage Trail is a multi-use riverfront trail system in Pittsburgh, Pennsylvania, that follows the banks of the city’s three rivers and connects numerous parks, neighborhoods, and historic sites.
E666713 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: Three Rivers Heritage Trail | Statement: [Point State Park, isAccessibleBy, Three Rivers Heritage Trail]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Three Rivers Heritage Trail
Context triple: [Point State Park, isAccessibleBy, Three Rivers Heritage Trail]
  • A. 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.
  • B. Bruce Freeman Rail Trail
    The Bruce Freeman Rail Trail is a multi-use recreational path in Massachusetts that follows a former railroad corridor through several communities, offering scenic routes for walking, running, and cycling.
  • C. Lawrence Hopewell Trail
    The Lawrence Hopewell Trail is a multi-use recreational path in Mercer County, New Jersey, that offers walking, running, and cycling routes through local parks, neighborhoods, and natural areas.
  • D. Wallkill Valley Rail Trail
    The Wallkill Valley Rail Trail is a scenic multi-use path in New York’s Hudson Valley that follows a former railroad corridor through towns like New Paltz, offering hiking, biking, and nature viewing.
  • E. South County Trailway
    The South County Trailway is a paved multi-use rail trail in Westchester County, New York, popular for cycling, running, and walking along a former railroad corridor.
  • 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: Three Rivers Heritage Trail
Triple: [Point State Park, isAccessibleBy, Three Rivers Heritage Trail]
Generated description
The Three Rivers Heritage Trail is a multi-use riverfront trail system in Pittsburgh, Pennsylvania, that follows the banks of the city’s three rivers and connects numerous parks, neighborhoods, and historic sites.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Three Rivers Heritage Trail
Target entity description: The Three Rivers Heritage Trail is a multi-use riverfront trail system in Pittsburgh, Pennsylvania, that follows the banks of the city’s three rivers and connects numerous parks, neighborhoods, and historic sites.
  • A. 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.
  • B. Bruce Freeman Rail Trail
    The Bruce Freeman Rail Trail is a multi-use recreational path in Massachusetts that follows a former railroad corridor through several communities, offering scenic routes for walking, running, and cycling.
  • C. Lawrence Hopewell Trail
    The Lawrence Hopewell Trail is a multi-use recreational path in Mercer County, New Jersey, that offers walking, running, and cycling routes through local parks, neighborhoods, and natural areas.
  • D. Wallkill Valley Rail Trail
    The Wallkill Valley Rail Trail is a scenic multi-use path in New York’s Hudson Valley that follows a former railroad corridor through towns like New Paltz, offering hiking, biking, and nature viewing.
  • E. South County Trailway
    The South County Trailway is a paved multi-use rail trail in Westchester County, New York, popular for cycling, running, and walking along a former railroad corridor.
  • 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_69c69f236ce08190a04d7679f03b29b2 completed March 27, 2026, 3:15 p.m.
NER Named-entity recognition batch_69c6f534aa388190b3bb3e16be3a54c8 completed March 27, 2026, 9:23 p.m.
NED1 Entity disambiguation (via context triple) batch_69c83493f0988190b8c569d34bbe2817 completed March 28, 2026, 8:05 p.m.
NEDg Description generation batch_69c835cf7a58819095ed79b84f935a84 completed March 28, 2026, 8:10 p.m.
NED2 Entity disambiguation (via description) batch_69c8366b2fcc8190bd8b07a54a848721 completed March 28, 2026, 8:13 p.m.
Created at: March 27, 2026, 3:42 p.m.