Triple

T4640855
Position Surface form Disambiguated ID Type / Status
Subject Crystal Lake, Illinois E101650 entity
Predicate hasRailwayStation P918 FINISHED
Object Pingree Road station
Pingree Road station is a Metra commuter rail stop serving the city of Crystal Lake in McHenry County, Illinois.
 E463261 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: Pingree Road station | Statement: [Crystal Lake, Illinois, hasRailwayStation, Pingree Road station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Pingree Road station
Context triple: [Crystal Lake, Illinois, hasRailwayStation, Pingree Road station]
  • A. Valley Road station
    Valley Road station is a small light rail stop on the MBTA's Mattapan trolley line in Milton, Massachusetts.
  • B. Montvale station
    Montvale station is a New Jersey Transit commuter rail stop in Montvale, New Jersey, serving passengers on the Pascack Valley Line.
  • C. Parker Road Station
    Parker Road Station is a major Dallas Area Rapid Transit (DART) light rail terminus and park-and-ride facility serving the northern suburbs of the Dallas–Fort Worth metroplex.
  • D. Greenlawn station
    Greenlawn station is a Long Island Rail Road commuter rail stop in Greenlawn, New York, serving passengers on the Port Jefferson Branch.
  • E. Naylor Road station
    Naylor Road station is a Washington Metro rapid transit stop in Prince George's County, Maryland, serving the Green Line in the southeastern suburbs of Washington, D.C.
  • 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: Pingree Road station
Triple: [Crystal Lake, Illinois, hasRailwayStation, Pingree Road station]
Generated description
Pingree Road station is a Metra commuter rail stop serving the city of Crystal Lake in McHenry County, Illinois.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Pingree Road station
Target entity description: Pingree Road station is a Metra commuter rail stop serving the city of Crystal Lake in McHenry County, Illinois.
  • A. Valley Road station
    Valley Road station is a small light rail stop on the MBTA's Mattapan trolley line in Milton, Massachusetts.
  • B. Montvale station
    Montvale station is a New Jersey Transit commuter rail stop in Montvale, New Jersey, serving passengers on the Pascack Valley Line.
  • C. Parker Road Station
    Parker Road Station is a major Dallas Area Rapid Transit (DART) light rail terminus and park-and-ride facility serving the northern suburbs of the Dallas–Fort Worth metroplex.
  • D. Greenlawn station
    Greenlawn station is a Long Island Rail Road commuter rail stop in Greenlawn, New York, serving passengers on the Port Jefferson Branch.
  • E. Naylor Road station
    Naylor Road station is a Washington Metro rapid transit stop in Prince George's County, Maryland, serving the Green Line in the southeastern suburbs of Washington, D.C.
  • 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_69bd43d3bc7c81908f81fcf380476b0f completed March 20, 2026, 12:55 p.m.
NER Named-entity recognition batch_69bd5a8fbd2c8190b593cd46ce8dfe0f completed March 20, 2026, 2:32 p.m.
NED1 Entity disambiguation (via context triple) batch_69be103bddb88190b94178c728518f38 completed March 21, 2026, 3:27 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, 1:14 p.m.