Triple

T4714721
Position Surface form Disambiguated ID Type / Status
Subject Pepperell, Massachusetts E104604 entity
Predicate hasRecreationArea P5383 FINISHED
Object Nashua River Rail Trail
Nashua River Rail Trail is a scenic multi-use recreational path in Massachusetts that follows the Nashua River along a former railroad corridor, popular for walking, running, and cycling.
E463437 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: Nashua River Rail Trail | Statement: [Pepperell, Massachusetts, hasRecreationArea, Nashua River Rail Trail]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Nashua River Rail Trail
Context triple: [Pepperell, Massachusetts, hasRecreationArea, Nashua River Rail Trail]
  • A. Neponset River Greenway
    Neponset River Greenway is a multi-use recreational trail and green corridor along the Neponset River in the Boston area, offering walking, biking, and scenic waterfront access.
  • B. Ashuwillticook Rail Trail
    Ashuwillticook Rail Trail is a scenic multi-use path in western Massachusetts that follows a former railroad corridor along lakes, rivers, and mountain views popular for walking, running, and cycling.
  • C. 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.
  • D. 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.
  • E. Spruce Railroad Trail
    Spruce Railroad Trail is a scenic hiking and biking path in Washington’s Olympic National Park that follows an old railroad grade along the shores of Lake Crescent.
  • 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: Nashua River Rail Trail
Triple: [Pepperell, Massachusetts, hasRecreationArea, Nashua River Rail Trail]
Generated description
Nashua River Rail Trail is a scenic multi-use recreational path in Massachusetts that follows the Nashua River along a former railroad corridor, popular for walking, running, and cycling.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Nashua River Rail Trail
Target entity description: Nashua River Rail Trail is a scenic multi-use recreational path in Massachusetts that follows the Nashua River along a former railroad corridor, popular for walking, running, and cycling.
  • A. Neponset River Greenway
    Neponset River Greenway is a multi-use recreational trail and green corridor along the Neponset River in the Boston area, offering walking, biking, and scenic waterfront access.
  • B. Ashuwillticook Rail Trail
    Ashuwillticook Rail Trail is a scenic multi-use path in western Massachusetts that follows a former railroad corridor along lakes, rivers, and mountain views popular for walking, running, and cycling.
  • C. 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.
  • D. 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.
  • E. Spruce Railroad Trail
    Spruce Railroad Trail is a scenic hiking and biking path in Washington’s Olympic National Park that follows an old railroad grade along the shores of Lake Crescent.
  • 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_69bd43ec4a348190bc41afae43375e71 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd6408dc5c8190a8d6b1c1a3eba2df completed March 20, 2026, 3:13 p.m.
NED1 Entity disambiguation (via context triple) batch_69be108002e08190b13856f2af135bfc completed March 21, 2026, 3:29 a.m.
NEDg Description generation batch_69be1196fcb08190a151b31204045fa4 completed March 21, 2026, 3:33 a.m.
NED2 Entity disambiguation (via description) batch_69be121448ec8190a29f6d78049002df completed March 21, 2026, 3:35 a.m.
Created at: March 20, 2026, 1:18 p.m.