Don Tuggener
University of Zurich
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Featured researches published by Don Tuggener.
conference of the european chapter of the association for computational linguistics | 2014
Don Tuggener
This paper presents an evaluation framework for coreference resolution geared towards interpretability for higher-level applications. Three application scenarios for coreference resolution are outlined and metrics for them are devised. The metrics provide detailed system analysis and aim at measuring the potential benefit of using coreference systems in preprocessing.
international conference natural language processing | 2010
Manfred Klenner; Don Tuggener; Angela Fahrni; Rico Sennrich
In this paper we focus on anaphora resolution for German, a highly inflected language which also allows for closed form compounds (i.e. compounds without spaces). Especially, we describe a system that only uses real preprocessing components, e.g. a dependency parser, a two-level morphological analyser etc. We trace the performance drop occurring under these conditions back to underspecification and ambiguity at the morphological level. A demanding subtask of anaphora resolution are the so-called bridging anaphora, a special variant of nominal anaphora where the heads of the coreferent noun phrases do not match. We experiment with two different resources in order to find out how to cope best with this problem.
international conference on computational linguistics | 2017
Manfred Klenner; Simon Clematide; Don Tuggener
We introduce a model for attitude prediction that takes the reader and the writer perspectives into account and enables a joint reception of the attitudinal dispositions involved. For instance, a proponent of the reader might turn out to be a villain, or some moral values of his might be negatively affected. A formal model is specified that induces in a compositional, bottom-up manner informative relation tuples which indicate perspectives on attitudes. This enables the reader to focus on interesting cases, since they are directly accessible from the parts of the relation tuple.
ieee international conference semantic computing | 2012
Don Tuggener; Manfred Klenner
We present an initial utility study of a distributionalmodel of verb selectional preferences for 3rd personpronoun resolution in German. We investigate cases in which3rd person pronouns occur as subjects of transitive verbs. Ineach such case, the likelihood of inserting one of the antecedentcandidates is calculated as the conditional probability of theantecedent candidate given either the verb governing thepronoun or the object of the verb. These probabilities areestimated using a matrix derived from frequency counts ina large corpus. Non-negative matrix factorisation is appliedas a sort of semantic smoothing to address the sparsity issueinherent in the approach.
meeting of the association for computational linguistics | 2011
Don Tuggener; Manfred Klenner; Gerold Schneider; Simon Clematide; Fabio Rinaldi
recent advances in natural language processing | 2011
Manfred Klenner; Don Tuggener
conference on computational natural language learning | 2011
Manfred Klenner; Don Tuggener
KONVENS | 2010
Manfred Klenner; Angela Fahrni; Don Tuggener
conference of the european chapter of the association for computational linguistics | 2017
Ngoc Quang Luong; Annette Rios Gonzales; Don Tuggener
Klenner, Manfred; Tuggener, Don; Clematide, Simon (2017). Stance Detection in Facebook Posts of a German Right-wing Party. In: LSDSem 2017/LSD-Sem Linking Models of Lexical, Sentential and Discourse-level Semantics, Valencia, 3 April 2017 - 3 April 2017. | 2017
Manfred Klenner; Don Tuggener; Simon Clematide