---
title: "Discriminant-Based MRS Banking — Oepen 2006"
description: "The paper describes how to build a corpus in which every sentence is paired with a meaning representation (MRS). Sentences are parsed with a…"
authors: ["Stephan Oepen", "Jan Tore Lønning"]
year: 2006
venue: "Proceedings of the Fifth International Conference on Language Resources and Evaluation (LREC'06)"
source: "https://aclanthology.org/L06-1214/"
doi: "10.63317/2ojuhq5ubcyf"
licence: "CC BY-NC 4.0 (ELRA, LREC proceedings)"
licence_url: "https://creativecommons.org/licenses/by-nc/4.0/"
summary_licence: "Elamur Cosmic License"
canonical: "https://research.elamur.ai/free/en/papers/lingbulk-2006-oepen-discriminant-based-mrs-banking/"
---
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# Discriminant-Based MRS Banking

**Authors:** [Stephan Oepen](https://md.research.elamur.ai/free/en/authors/stephan-oepen/) and [Jan Tore Lønning](https://md.research.elamur.ai/free/en/authors/jan-tore-lonning/) · **Year:** 2006 · **Venue:** Proceedings of the Fifth International Conference on Language Resources and Evaluation (LREC'06) **Link:** [aclanthology.org/L06-1214](https://aclanthology.org/L06-1214/) · **Licence:** copyrighted (ELRA, all rights reserved; listed as [CC BY-NC-SA 3.0](https://creativecommons.org/licenses/by-nc-sa/3.0/) by the ACL Anthology) — summary only

[**104** citations](https://openalex.org/works?filter=cites:W2760664922) OpenAlex · 2026-10-14 · [**80** citations in our library](https://md.research.elamur.ai/free/en/papers/lingbulk-2006-oepen-discriminant-based-mrs-banking/cited-by/) of the 140884 papers whose bibliographies we read · [Proceedings of the Fifth International Conference on Language Resources and Evaluation (LREC'06)](https://aclanthology.org/volumes/L06-1/) · [licence](https://creativecommons.org/licenses/by-nc/4.0/)

- [Publisher's page](https://aclanthology.org/L06-1214/)
- [PDF](https://aclanthology.org/L06-1214.pdf)
- [DOI 10.63317/2ojuhq5ubcyf](https://doi.org/10.63317/2ojuhq5ubcyf)
- [OpenAlex](https://openalex.org/W2760664922)

**Authors (2)**

1. [Stephan Oepen](https://openalex.org/A5058412010) [Semantic Scholar](https://www.semanticscholar.org/author/2949607) · h 35 · 3542 citations · 215 works
2. [Jan Tore Lønning](https://openalex.org/A5030107252) [Semantic Scholar](https://www.semanticscholar.org/author/1403877043) · h 11 · 676 citations · 25 works

Citations and author metrics: OpenAlex, 2026-10-14; authors with the same name are not always told apart.

## What it is about

The paper describes how to build a corpus in which every sentence is paired with a meaning representation (MRS). Sentences are parsed with a broad-coverage grammar, and the right analysis is then chosen by binary decisions. The decisions are on semantic discriminants, which are local properties of the semantic dependency graph. The paper defines three types: presence of a predicate, dependencies between predicates, and properties of a relation's main index. An annotator accepts or rejects each discriminant, and every decision removes analyses from the parse forest. The examples are in Norwegian and English. The paper gives no evaluation numbers.

## Ideas

- I1. `annot`: use the discriminant form as the review step for silver trees. The reviewer answers short binary questions about one tree (this attachment goes to the verb, this noun is plural) instead of editing a full tree. Log accepted and rejected choices, and measure reviewer time and agreement on 100 EWT sentences with two reviewers.
- I2. `en/src/explain.rs`: attach to each arc decision the binary property that decided it, so that an explanation lists the decided properties. Check on EWT test that every chosen arc has one.
- I3. Pin-down count: for each EWT test tree, count how many binary decisions would fix the tree among the parser's candidates. Report the distribution. This is test only.

## For Mova

The code is `annot` and `en/src/explain.rs`; the chapter for the clause decisions is [languages/en/21-clause-structure.md](https://mova.elamur.ai/free/en/docs/languages/en/21-clause-structure/). The paper is NC, so it is summary only, and it has no numbers to reuse. Measure on EWT only.

## Cite

The paper itself, not this card. BibTeX from the library's record of the work. [DOI 10.63317/2ojuhq5ubcyf](https://doi.org/10.63317/2ojuhq5ubcyf)

```bibtex
@inproceedings{oepen2006discriminant,
  title = {{Discriminant-Based MRS Banking}},
  author = {Oepen, Stephan and Lønning, Jan Tore},
  booktitle = {Proceedings of the Fifth International Conference on Language Resources and Evaluation (LREC'06)},
  year = {2006},
  doi = {10.63317/2ojuhq5ubcyf},
  url = {https://doi.org/10.63317/2ojuhq5ubcyf}
}
```

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- [↑ back to papers of 2006](https://md.research.elamur.ai/free/en/papers/2006/)

## References

15 references, 4 of them with a card of ours. ↗ leads to the work, «find» searches for one we have no id for yet.

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10. Oepen, S., Dyvik, H., Lønning, J. T., Velldal, E., Beermann, D., Carroll, J., Flickinger, D., Hellan, L., Johannessen, J. B., Meurer, P., Nordgård, T., & Rosén, V. (2004). Som å kapp-ete med trollet? Towards MRS-based Norwegian – English Machine Translation. In Proceedings of the 10th International… [find](https://scholar.google.com/scholar?q=Oepen%2C+S%2E%2C+Dyvik%2C+H%2E%2C+L%C3%B8nning%2C+J%2E+T%2E%2C+Velldal%2C+E%2E%2C+Beermann%2C+D%2E%2C+Carroll%2C+J%2E%2C+Flickinger%2C+D%2E%2C+Hellan%2C+L%2E%2C+Johannessen%2C+J%2E+B%2E%2C+Meurer%2C+P%2E%2C+Nordg%C3%A5rd%2C+T%2E%2C+%26+Ros%C3%A9n%2C+V%2E+%282004%29%2E+Som+%C3%A5+kapp%2Dete+med+trollet%3F+)
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15. Rosén, V., Smedt, K. D., Dyvik, H., & Meurer, P. (2005). TrePil. Developing methods and tools for multilevel treebank construction. In Proceedings of the 4th Workshop on Treebanks and Linguistic Theories (pp. 161 – 172). Barcelona, Spain. [find](https://scholar.google.com/scholar?q=Ros%C3%A9n%2C+V%2E%2C+Smedt%2C+K%2E+D%2E%2C+Dyvik%2C+H%2E%2C+%26+Meurer%2C+P%2E+%282005%29%2E+TrePil%2E+Developing+methods+and+tools+for+multilevel+treebank+construction%2E+In+Proceedings+of+the+4th+Workshop+on+Treebanks+and+Linguistic+Theor)