Leif Arda Nielsen

2 paper cards in Mova's library · 2004

Leif Arda Nielsen wrote 2 of the papers Mova reads, in 2004.

The profile is the library's match of the name; two people with one name are not always told apart.

Papers

Verb Phrase Ellipsis detection using Automatically Parsed Text (2004)
Nielsen builds a detector for VP ellipsis, the first stage of a full resolver. It works on free text that has been parsed automatically. Three learners are compared: memory-based learning and two maximum-entropy models (GIS and L-BFGS). The detector reaches 72% F1 on a mixed corpus. Earlier work by Hardt reports 48%…
Robust VPE Detection using Automatically Parsed Text (2004)
This short student paper is the robust version of Nielsen's detector. It uses machine learning on free text that has been parsed automatically, with no hand-written parses. On a mixed corpus the detector reaches 70% F1. Two parsers are compared. The Charniak parser gives full structure, and RASP gives full parses for…