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# Leif Arda Nielsen

2 paper cards in Mova's library · 2004

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

[OpenAlex](https://openalex.org/A5077271519) · [**h-index 4**](https://openalex.org/authors/A5077271519) · [58 citations](https://openalex.org/authors/A5077271519) · [9 works](https://openalex.org/works?filter=author.id:A5077271519) — openalex, 2026-10-18

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

Elsewhere: [Google Scholar](https://scholar.google.com/citations?view_op=search_authors&mauthors=Leif+Arda+Nielsen) · [Semantic Scholar](https://www.semanticscholar.org/search?q=Leif+Arda+Nielsen) · [dblp](https://dblp.org/search?q=Leif+Arda+Nielsen) · [ACL Anthology](https://aclanthology.org/search/?q=Leif+Arda+Nielsen) · [ORCID](https://orcid.org/orcid-search/search?searchQuery=Leif+Arda+Nielsen)

## Papers

1. **[Verb Phrase Ellipsis detection using Automatically Parsed Text](https://md.mova.elamur.ai/free/en/docs/papers/aclbulk-2004-nielsen-verb-phrase-ellipsis-detection-automatically/)** *(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%…
2. **[Robust VPE Detection using Automatically Parsed Text](https://md.mova.elamur.ai/free/en/docs/papers/aclbulk-2004-nielsen-robust-vpe-detection-automatically-parsed/)** *(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…
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