Triple

T3773217
Position Surface form Disambiguated ID Type / Status
Subject Norfolk and Western Railway E83243 entity
Predicate operatedPortionsOf P50841 FINISHED
Object Pocahontas coalfield routes
Pocahontas coalfield routes were key rail lines serving the rich coal-mining region of the Pocahontas coalfield in Appalachia, transporting coal to industrial markets and ports.
E387186 NE FINISHED

How this triple was built (5 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: Pocahontas coalfield routes | Statement: [Norfolk and Western Railway, operatedPortionsOf, Pocahontas coalfield routes]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Pocahontas coalfield routes
Context triple: [Norfolk and Western Railway, operatedPortionsOf, Pocahontas coalfield routes]
  • A. Hinton–Thurmond–Handley coal route
    The Hinton–Thurmond–Handley coal route was a key Chesapeake and Ohio Railway line in West Virginia that transported coal from the New River coalfields along the New River Gorge to markets beyond.
  • B. Caperton Trail
    Caperton Trail is a popular multi-use recreational path in Morgantown, West Virginia, known for walking, running, and cycling along the Monongahela River.
  • C. Miner’s Track
    Miner’s Track is a popular hiking path in Snowdonia National Park that ascends Yr Wyddfa (Snowdon) via old mining routes and scenic mountain lakes.
  • D. Virginia Byway
    Virginia Byway is a scenic road designation in Virginia recognizing routes of notable natural, historic, or cultural value.
  • E. Fanny’s Ford Trail
    Fanny’s Ford Trail is a hiking path in North Carolina’s Eno River State Park known for its riverside scenery and access to historic fording sites.
  • 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: Pocahontas coalfield routes
Triple: [Norfolk and Western Railway, operatedPortionsOf, Pocahontas coalfield routes]
Generated description
Pocahontas coalfield routes were key rail lines serving the rich coal-mining region of the Pocahontas coalfield in Appalachia, transporting coal to industrial markets and ports.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Pocahontas coalfield routes
Target entity description: Pocahontas coalfield routes were key rail lines serving the rich coal-mining region of the Pocahontas coalfield in Appalachia, transporting coal to industrial markets and ports.
  • A. Hinton–Thurmond–Handley coal route
    The Hinton–Thurmond–Handley coal route was a key Chesapeake and Ohio Railway line in West Virginia that transported coal from the New River coalfields along the New River Gorge to markets beyond.
  • B. Caperton Trail
    Caperton Trail is a popular multi-use recreational path in Morgantown, West Virginia, known for walking, running, and cycling along the Monongahela River.
  • C. Miner’s Track
    Miner’s Track is a popular hiking path in Snowdonia National Park that ascends Yr Wyddfa (Snowdon) via old mining routes and scenic mountain lakes.
  • D. Virginia Byway
    Virginia Byway is a scenic road designation in Virginia recognizing routes of notable natural, historic, or cultural value.
  • E. Fanny’s Ford Trail
    Fanny’s Ford Trail is a hiking path in North Carolina’s Eno River State Park known for its riverside scenery and access to historic fording sites.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: operatedPortionsOf
Context triple: [Norfolk and Western Railway, operatedPortionsOf, Pocahontas coalfield routes]
  • A. operatedAmong
    Indicates that an entity carried out operations or activities within, or in coordination with, a specified group, set, or collection of other entities.
  • B. operatedAs
    Indicates that an entity functioned or was used in the capacity, role, or identity of another entity for some period of time.
  • C. operatedThrough
    Indicates that an action, process, or influence is carried out or mediated via a particular intermediary, channel, or mechanism.
  • D. operatedWith
    Indicates that an entity performed an action, function, or process using a specified tool, method, or instrument.
  • E. operatedFor
    Indicates that one entity performed operations or provided services on behalf of, or in support of, another entity for a certain period or purpose.
  • F. None of above. chosen

Provenance (7 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_69ad8b235e608190b5a2b1d1bfcef50b completed March 8, 2026, 2:43 p.m.
NER Named-entity recognition batch_69adcc57c9e48190a0f254e47348bf32 completed March 8, 2026, 7:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69b4e52ebd988190b6e3a7d8069b74be completed March 14, 2026, 4:33 a.m.
NEDg Description generation batch_69b4e64663b881908469456b15bc2687 completed March 14, 2026, 4:38 a.m.
NED2 Entity disambiguation (via description) batch_69b4ea0de7708190abe4be1c8af3cd71 completed March 14, 2026, 4:54 a.m.
PD Predicate disambiguation batch_69adc050cc5c81909d9855f866f3c26d completed March 8, 2026, 6:30 p.m.
PDg Predicate description generation batch_69adc0fe3e3c8190bd886c7745c172a0 completed March 8, 2026, 6:33 p.m.
Created at: March 8, 2026, 3:36 p.m.