AskNow:A Framework for Natural Language Query Formalization in SPARQL (2016)

huyi / December 2022

0.Abstract

main task

transform natural language query formalization into formal representation (SPARQL)

result

users can pose queries in English to target PDF knowledge base

course

NL query –> Normalized Query Structure –> SPARQL

2. Preliminaries

• def 1(simple query)

  a single and unconstrained query-desire (explicit or implicit) and a single, unconstrained, and explicit query-input

  • explicit desire + explicit input What is the capital of USA?
  • implicit desire + explicit input What is a tomb?(desire 是 definition 不是 explicit 的)

• def 2 (complex query)

  single query-desire (explicit or implicit, constrained or unconstrained) and multiple, explicit query-inputs (constrained or unconstrained)

• def 3 (compound query)

  compound query consists of conjunction/disjunction operator connectives between one or more simple or complex queries