Triple

T7831918
Position Surface form Disambiguated ID Type / Status
Subject Lowell Regional Transit Authority E181590 entity
Predicate abbreviation P43 FINISHED
Object LRTA
LRTA is the public transportation agency that operates bus and paratransit services in Lowell, Massachusetts and surrounding communities.
 E699292 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: LRTA | Statement: [Lowell Regional Transit Authority, abbreviation, LRTA]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: LRTA
Context triple: [Lowell Regional Transit Authority, abbreviation, LRTA]
  • A. RTA
    RTA is Dubai’s Roads and Transport Authority, the government agency responsible for planning and operating the emirate’s public transportation and road systems.
  • B. RTA
    RTA is the common abbreviation for the Regional Transportation Authority of Northeastern Illinois, the agency that oversees public transit services in the Chicago metropolitan area.
  • C. TLT
    TLT is the time zone abbreviation used for Timor Leste Time, the standard time observed in East Timor.
  • D. ROLT
    ROLT is the acronym for the Regional Organizations Liaison Team, a group that coordinates and facilitates communication and collaboration among various regional organizations.
  • E. RTRA
    RTRA is the abbreviation for the Royal Tank Regiment Association, an organization that supports and connects current and former members of the Royal Tank Regiment.
  • 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: LRTA
Triple: [Lowell Regional Transit Authority, abbreviation, LRTA]
Generated description
LRTA is the public transportation agency that operates bus and paratransit services in Lowell, Massachusetts and surrounding communities.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: LRTA
Target entity description: LRTA is the public transportation agency that operates bus and paratransit services in Lowell, Massachusetts and surrounding communities.
  • A. RTA
    RTA is Dubai’s Roads and Transport Authority, the government agency responsible for planning and operating the emirate’s public transportation and road systems.
  • B. RTA
    RTA is the common abbreviation for the Regional Transportation Authority of Northeastern Illinois, the agency that oversees public transit services in the Chicago metropolitan area.
  • C. TLT
    TLT is the time zone abbreviation used for Timor Leste Time, the standard time observed in East Timor.
  • D. ROLT
    ROLT is the acronym for the Regional Organizations Liaison Team, a group that coordinates and facilitates communication and collaboration among various regional organizations.
  • E. RTRA
    RTRA is the abbreviation for the Royal Tank Regiment Association, an organization that supports and connects current and former members of the Royal Tank Regiment.
  • 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_69ca8284a25c8190a1a20afad30da792 completed March 30, 2026, 2:02 p.m.
NER Named-entity recognition batch_69cb0647848081908d74e09f52d0919e completed March 30, 2026, 11:24 p.m.
NED1 Entity disambiguation (via context triple) batch_69cb5a906b908190a204779950555edc completed March 31, 2026, 5:24 a.m.
NEDg Description generation batch_69cb762ce6208190a24438e26ae83785 completed March 31, 2026, 7:22 a.m.
NED2 Entity disambiguation (via description) batch_69cbb615dc248190b57b4fc7c430517f completed March 31, 2026, 11:55 a.m.
Created at: March 30, 2026, 4:44 p.m.