sub:assertion {
  sub:paragraph c4o:hasContent "In Section 2, we discuss the type of LD quality is- sues that are studied in this work. Section 3 briefly in- troduces the crowdsourcing methods and related con- cepts that are used throughout the paper. Our approach is presented in Section 4, and is empirically evaluated in Section 5. In Section 6 we summarize the findings of our experimental study and provide answers to the for- mulated research questions. Related work is discussed in Section 7. Conclusions and future work are pre- sented in Section 8." ;
    a doco:Paragraph .
}