Triple

T9228573
Position Surface form Disambiguated ID Type / Status
Subject Middle River, Maryland E221752 entity
Predicate hasRailStation P726 FINISHED
Object Martin State Airport station
Martin State Airport station is a MARC commuter rail stop on the Penn Line serving the Martin State Airport area in Middle River, Maryland.
 E785121 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: Martin State Airport station | Statement: [Middle River, Maryland, hasRailStation, Martin State Airport station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Martin State Airport station
Context triple: [Middle River, Maryland, hasRailStation, Martin State Airport station]
  • A. OAK Airport station
    OAK Airport station is a Bay Area Rapid Transit (BART) station that serves Oakland International Airport in Oakland, California.
  • B. National Airport station
    National Airport station is a Washington Metro rapid transit stop serving Ronald Reagan Washington National Airport in Arlington, Virginia.
  • C. Mitchell Airport Rail Station
    Mitchell Airport Rail Station is a passenger rail station in Milwaukee, Wisconsin, serving General Mitchell International Airport and providing regional rail connections for air travelers.
  • D. Forest Park station
    Forest Park station is a Chicago Transit Authority rapid transit station in Forest Park, Illinois, serving as the western endpoint of the Blue Line.
  • E. Garfield station
    Garfield station is a Chicago 'L' rapid transit station on the South Side that serves as the southern endpoint of the Ashland/63rd branch of the Green 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: Martin State Airport station
Triple: [Middle River, Maryland, hasRailStation, Martin State Airport station]
Generated description
Martin State Airport station is a MARC commuter rail stop on the Penn Line serving the Martin State Airport area in Middle River, Maryland.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Martin State Airport station
Target entity description: Martin State Airport station is a MARC commuter rail stop on the Penn Line serving the Martin State Airport area in Middle River, Maryland.
  • A. OAK Airport station
    OAK Airport station is a Bay Area Rapid Transit (BART) station that serves Oakland International Airport in Oakland, California.
  • B. National Airport station
    National Airport station is a Washington Metro rapid transit stop serving Ronald Reagan Washington National Airport in Arlington, Virginia.
  • C. Mitchell Airport Rail Station
    Mitchell Airport Rail Station is a passenger rail station in Milwaukee, Wisconsin, serving General Mitchell International Airport and providing regional rail connections for air travelers.
  • D. Forest Park station
    Forest Park station is a Chicago Transit Authority rapid transit station in Forest Park, Illinois, serving as the western endpoint of the Blue Line.
  • E. Garfield station
    Garfield station is a Chicago 'L' rapid transit station on the South Side that serves as the southern endpoint of the Ashland/63rd branch of the Green 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_69ca83ec8db08190a9110df8232885d2 completed March 30, 2026, 2:08 p.m.
NER Named-entity recognition batch_69ccdaa1c5b4819081dac6713053a8ae completed April 1, 2026, 8:43 a.m.
NED1 Entity disambiguation (via context triple) batch_69d0666364608190b104425819ccedf1 completed April 4, 2026, 1:16 a.m.
NEDg Description generation batch_69d06772c0508190883b22974ec09155 completed April 4, 2026, 1:20 a.m.
NED2 Entity disambiguation (via description) batch_69d067cab3a4819086a464f36a8adb3a completed April 4, 2026, 1:22 a.m.
Created at: March 30, 2026, 7:29 p.m.