Triple

T7783242
Position Surface form Disambiguated ID Type / Status
Subject Indian Head, Maryland E187174 entity
Predicate hasNearbyTrail P12052 FINISHED
Object Indian Head Rail Trail
Indian Head Rail Trail is a multi-use recreational path in Charles County, Maryland, converted from a former railroad corridor and popular for walking, running, and cycling.
E693436 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: Indian Head Rail Trail | Statement: [Indian Head, Maryland, hasNearbyTrail, Indian Head Rail Trail]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Indian Head Rail Trail
Context triple: [Indian Head, Maryland, hasNearbyTrail, Indian Head Rail Trail]
  • A. 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.
  • B. Oro-Medonte Rail Trail
    The Oro-Medonte Rail Trail is a recreational multi-use trail in Oro-Medonte, Ontario, that follows a former railway corridor for activities like walking, cycling, and snowmobiling.
  • C. 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.
  • D. 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.
  • E. Chaparral Rail Trail
    The Chaparral Rail Trail is a long-distance recreational trail in North Texas that follows a former railroad corridor through rural landscapes and small towns, popular for hiking, biking, and horseback riding.
  • 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: Indian Head Rail Trail
Triple: [Indian Head, Maryland, hasNearbyTrail, Indian Head Rail Trail]
Generated description
Indian Head Rail Trail is a multi-use recreational path in Charles County, Maryland, converted from a former railroad corridor and popular for walking, running, and cycling.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Indian Head Rail Trail
Target entity description: Indian Head Rail Trail is a multi-use recreational path in Charles County, Maryland, converted from a former railroad corridor and popular for walking, running, and cycling.
  • A. 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.
  • B. Oro-Medonte Rail Trail
    The Oro-Medonte Rail Trail is a recreational multi-use trail in Oro-Medonte, Ontario, that follows a former railway corridor for activities like walking, cycling, and snowmobiling.
  • C. 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.
  • D. 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.
  • E. Chaparral Rail Trail
    The Chaparral Rail Trail is a long-distance recreational trail in North Texas that follows a former railroad corridor through rural landscapes and small towns, popular for hiking, biking, and horseback riding.
  • 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_69ca82af2d2c8190963861f5e0b8bf21 completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cadf1f9c648190ac2b06d0d54035ea completed March 30, 2026, 8:37 p.m.
NED1 Entity disambiguation (via context triple) batch_69caf5e400d881909d6cdeb7eaac3a59 completed March 30, 2026, 10:15 p.m.
NEDg Description generation batch_69caf81ebde881909bd131da8987b449 completed March 30, 2026, 10:24 p.m.
NED2 Entity disambiguation (via description) batch_69cafa013f348190a2067dee4a0c8c40 completed March 30, 2026, 10:32 p.m.
Created at: March 30, 2026, 4:22 p.m.