Triple

T1359937
Position Surface form Disambiguated ID Type / Status
Subject MBTA Waverley E29074 entity
Predicate nearIntersection P2064 FINISHED
Object Trapelo Road and Lexington Street
Trapelo Road and Lexington Street is a notable intersection in Belmont, Massachusetts, serving as a key local crossroads near the MBTA Waverley commuter rail station.
 E201805 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: Trapelo Road and Lexington Street | Statement: [MBTA Waverley, nearIntersection, Trapelo Road and Lexington Street]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Trapelo Road and Lexington Street
Context triple: [MBTA Waverley, nearIntersection, Trapelo Road and Lexington Street]
  • A. Commonwealth Avenue
    Commonwealth Avenue is a major thoroughfare in Boston, Massachusetts, known for its tree-lined mall, historic architecture, and role as a key stretch of the Boston Marathon course.
  • B. Commonwealth Avenue
    Commonwealth Avenue is a major multi-lane thoroughfare in Quezon City, Philippines, known for its heavy traffic and role as a key arterial road in Metro Manila.
  • C. Commonwealth Street
    Commonwealth Street is a notable thoroughfare in Honiara, the capital city of the Solomon Islands.
  • D. Concord Avenue
    Concord Avenue is a principal roadway running through Belmont, Massachusetts, serving as a key thoroughfare in the Belmont Center area and its historic district.
  • E. Somerville Avenue
    Somerville Avenue is a major street in Somerville, Massachusetts, running through areas such as Porter Square and serving as a key local commercial and transit corridor.
  • 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: Trapelo Road and Lexington Street
Triple: [MBTA Waverley, nearIntersection, Trapelo Road and Lexington Street]
Generated description
Trapelo Road and Lexington Street is a notable intersection in Belmont, Massachusetts, serving as a key local crossroads near the MBTA Waverley commuter rail station.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Trapelo Road and Lexington Street
Target entity description: Trapelo Road and Lexington Street is a notable intersection in Belmont, Massachusetts, serving as a key local crossroads near the MBTA Waverley commuter rail station.
  • A. Commonwealth Avenue
    Commonwealth Avenue is a major multi-lane thoroughfare in Quezon City, Philippines, known for its heavy traffic and role as a key arterial road in Metro Manila.
  • B. Commonwealth Avenue
    Commonwealth Avenue is a major thoroughfare in Boston, Massachusetts, known for its tree-lined mall, historic architecture, and role as a key stretch of the Boston Marathon course.
  • C. Commonwealth Street
    Commonwealth Street is a notable thoroughfare in Honiara, the capital city of the Solomon Islands.
  • D. Concord Avenue
    Concord Avenue is a principal roadway running through Belmont, Massachusetts, serving as a key thoroughfare in the Belmont Center area and its historic district.
  • E. Somerville Avenue
    Somerville Avenue is a major street in Somerville, Massachusetts, running through areas such as Porter Square and serving as a key local commercial and transit corridor.
  • 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_69a498d77abc8190913bf57e5f51d2c4 completed March 1, 2026, 7:51 p.m.
NER Named-entity recognition batch_69a4c2b156b081909c99ada70a969fc0 completed March 1, 2026, 10:50 p.m.
NED1 Entity disambiguation (via context triple) batch_69adb5af961c8190aed3129dab0fecf3 completed March 8, 2026, 5:45 p.m.
NEDg Description generation batch_69adb8b2b01c8190997179cdfd55da13 completed March 8, 2026, 5:58 p.m.
NED2 Entity disambiguation (via description) batch_69adb94aaf348190a28ca8e9d9cacf41 completed March 8, 2026, 6 p.m.
Created at: March 1, 2026, 7:56 p.m.