Triple

T13628092
Position Surface form Disambiguated ID Type / Status
Subject Vassar Street E325639 entity
Predicate hasAthleticFacility P33887 FINISHED
Object MIT tennis courts
MIT tennis courts are the outdoor tennis facilities on the MIT campus in Cambridge, Massachusetts, used for both recreational play and varsity team practices and matches.
E1051691 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: MIT tennis courts | Statement: [Vassar Street, hasAthleticFacility, MIT tennis courts]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: MIT tennis courts
Context triple: [Vassar Street, hasAthleticFacility, MIT tennis courts]
  • A. MIT Club Tennis
    MIT Club Tennis is a student-run organization at the Massachusetts Institute of Technology that provides competitive and recreational tennis opportunities for MIT students.
  • B. George R. Brown Tennis Center
    The George R. Brown Tennis Center is a collegiate tennis complex located on the Rice University campus in Houston, Texas, serving as the home venue for the university’s tennis programs.
  • C. Tennis Courts at Cal State LA
    The Tennis Courts at Cal State LA are the on-campus outdoor tennis facilities that serve as the home venue for the university’s Golden Eagles athletic teams.
  • D. Harvard Track and Tennis Center
    The Harvard Track and Tennis Center is an indoor athletics facility featuring track and tennis amenities used for training, competition, and events associated with Harvard University.
  • E. Tennis Center
    The Tennis Center in Central Park is a public recreational facility offering multiple tennis courts and related amenities within New York City's iconic urban park.
  • 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: MIT tennis courts
Triple: [Vassar Street, hasAthleticFacility, MIT tennis courts]
Generated description
MIT tennis courts are the outdoor tennis facilities on the MIT campus in Cambridge, Massachusetts, used for both recreational play and varsity team practices and matches.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: MIT tennis courts
Target entity description: MIT tennis courts are the outdoor tennis facilities on the MIT campus in Cambridge, Massachusetts, used for both recreational play and varsity team practices and matches.
  • A. MIT Club Tennis
    MIT Club Tennis is a student-run organization at the Massachusetts Institute of Technology that provides competitive and recreational tennis opportunities for MIT students.
  • B. George R. Brown Tennis Center
    The George R. Brown Tennis Center is a collegiate tennis complex located on the Rice University campus in Houston, Texas, serving as the home venue for the university’s tennis programs.
  • C. Tennis Courts at Cal State LA
    The Tennis Courts at Cal State LA are the on-campus outdoor tennis facilities that serve as the home venue for the university’s Golden Eagles athletic teams.
  • D. Harvard Track and Tennis Center
    The Harvard Track and Tennis Center is an indoor athletics facility featuring track and tennis amenities used for training, competition, and events associated with Harvard University.
  • E. Tennis Center
    The Tennis Center in Central Park is a public recreational facility offering multiple tennis courts and related amenities within New York City's iconic urban park.
  • 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_69d8076aae28819092cf636190ee5529 completed April 9, 2026, 8:09 p.m.
NER Named-entity recognition batch_69dbbe9d803481908101def32817b0eb completed April 12, 2026, 3:47 p.m.
NED1 Entity disambiguation (via context triple) batch_69f77fa6a46881909d381d76d391f5b7 completed May 3, 2026, 5:02 p.m.
NEDg Description generation batch_69f782c41634819096b0939c6c917259 completed May 3, 2026, 5:15 p.m.
NED2 Entity disambiguation (via description) batch_69f78366eca88190be313c3a1b1e23ff completed May 3, 2026, 5:18 p.m.
Created at: April 9, 2026, 9:51 p.m.