Papers by Adam Przepiórkowski
Conjunct Lengths in English, Dependency Length Minimization, and Dependency Structure of Coordination (2023.acl-long)
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| Challenge: | a lack of work on the left-to-right order of conjuncts in binary coordinations supports both leftness and closeness to the external head. |
| Approach: | They propose to explain this effect by minimizing the dependence between conjuncts and governors. |
| Outcome: | The proposed explanation provides support for symmetrical dependency structures, as opposed to asymmetrical structures. |
Comparing learnability of two dependency schemes: ‘semantic’ (UD) and ‘syntactic’ (SUD) (2021.findings-emnlp)
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| Challenge: | Several studies have suggested that choosing syntactic criteria for assigning heads in dependency trees improves the performance of dependency parsers. |
| Approach: | They propose to use syntactic criteria to assign heads to dependency trees to improve the performance of dependency parsers by using a selection of 21 treebanks. |
| Outcome: | The proposed approach favours content words over function words as heads of dependency relations, while the other favours syntactic heads. |
Arguments and Adjuncts in Universal Dependencies (C18-1)
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| Challenge: | UD attempts not to represent the argument-adjunct distinction, but is subtle, unclear, and frequently argued over. |
| Approach: | They propose a relatively conservative modification of Universal Dependencies that is free from these problems. |
| Outcome: | The proposed approach is free from the arguments and inconsistencies found in the current version of UD. |
An Argument for Symmetric Coordination from Dependency Length Minimization: A Replication Study (2024.lrec-main)
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| Challenge: | a growing number of researchers are focusing on replication studies, but this is not the only reason. |
| Approach: | They replicate a result reported in a recent ACL paper that suggests left conjuncts are shorter in English coordinate structures. |
| Outcome: | The proposed results provide an argument for the symmetric structure of coordination in English coordinate structures. |