Triple

T9539120
Position Surface form Disambiguated ID Type / Status
Subject Kemp Mill, Maryland E230099 entity
Predicate nearestMetrorailStation P26735 FINISHED
Object Forest Glen station
Forest Glen station is a Washington Metro Red Line station in Montgomery County, Maryland, notable for its deep underground design and elevator-only access to the platforms.
E807505 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: Forest Glen station | Statement: [Kemp Mill, Maryland, nearestMetrorailStation, Forest Glen station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Forest Glen station
Context triple: [Kemp Mill, Maryland, nearestMetrorailStation, Forest Glen station]
  • A. Friendship Heights station
    Friendship Heights station is a Washington Metro rapid transit station serving the Friendship Heights neighborhood on the Red Line near the D.C.–Maryland border.
  • B. Potomac Avenue station
    Potomac Avenue station is a Washington Metro rapid transit station in Washington, D.C., served by the Blue, Orange, and Silver Lines.
  • C. Woodmere station
    Woodmere station is a Long Island Rail Road commuter rail stop serving the Woodmere neighborhood in Nassau County, New York.
  • D. Capitol Heights station
    Capitol Heights station is an elevated Washington Metro station in Prince George's County, Maryland, serving the Blue and Silver Lines near the D.C.–Maryland border.
  • E. Mount Vernon East station
    Mount Vernon East station is a commuter rail stop in Mount Vernon, New York, serving passengers on Metro-North Railroad’s New Haven Line.
  • 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: Forest Glen station
Triple: [Kemp Mill, Maryland, nearestMetrorailStation, Forest Glen station]
Generated description
Forest Glen station is a Washington Metro Red Line station in Montgomery County, Maryland, notable for its deep underground design and elevator-only access to the platforms.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Forest Glen station
Target entity description: Forest Glen station is a Washington Metro Red Line station in Montgomery County, Maryland, notable for its deep underground design and elevator-only access to the platforms.
  • A. Friendship Heights station
    Friendship Heights station is a Washington Metro rapid transit station serving the Friendship Heights neighborhood on the Red Line near the D.C.–Maryland border.
  • B. Potomac Avenue station
    Potomac Avenue station is a Washington Metro rapid transit station in Washington, D.C., served by the Blue, Orange, and Silver Lines.
  • C. Woodmere station
    Woodmere station is a Long Island Rail Road commuter rail stop serving the Woodmere neighborhood in Nassau County, New York.
  • D. Capitol Heights station
    Capitol Heights station is an elevated Washington Metro station in Prince George's County, Maryland, serving the Blue and Silver Lines near the D.C.–Maryland border.
  • E. Mount Vernon East station
    Mount Vernon East station is a commuter rail stop in Mount Vernon, New York, serving passengers on Metro-North Railroad’s New Haven Line.
  • 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_69ca847b1b3081908f72bc932c17cc41 completed March 30, 2026, 2:11 p.m.
NER Named-entity recognition batch_69cd98e4df6c8190a4d1160c42daa45f completed April 1, 2026, 10:15 p.m.
NED1 Entity disambiguation (via context triple) batch_69d15278efd4819091e707aabd9a59d7 completed April 4, 2026, 6:03 p.m.
NEDg Description generation batch_69d153d59844819086a0f50e6a7624b2 completed April 4, 2026, 6:09 p.m.
NED2 Entity disambiguation (via description) batch_69d1546a503c81908edc9588adabc172 completed April 4, 2026, 6:11 p.m.
Created at: March 30, 2026, 8:01 p.m.