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Dive into the research topics where Grzegorz Chrupała is active.

Publication


Featured researches published by Grzegorz Chrupała.


conference of the european chapter of the association for computational linguistics | 2014

RelationFactory: A Fast, Modular and Effective System for Knowledge Base Population

Benjamin Roth; Tassilo Barth; Grzegorz Chrupała; Martin Gropp; Dietrich Klakow

We present RelationFactory, a highly effective open source relation extraction system based on shallow modeling techniques. RelationFactory emphasizes modularity, is easily configurable and uses a transparent pipelined approach. The interactive demo allows the user to pose queries for whichRelationFactory retrieves and analyses contexts that contain relational information about the query entity. Additionally, a recall error analysis component categorizes and illustrates cases in which the system missed a correct answer.


international joint conference on natural language processing | 2011

Efficient induction of probabilistic word classes with LDA

Grzegorz Chrupała


conference on computational natural language learning | 2004

Hierarchical Recognition of Propositional Arguments with Perceptrons

Xavier Carreras; Lluís Màrquez; Grzegorz Chrupała


conference on computational natural language learning | 2010

Online Entropy-Based Model of Lexical Category Acquisition

Grzegorz Chrupała; Afra Alishahi


language resources and evaluation | 2010

A Named Entity Labeler for German: Exploiting Wikipedia and Distributional Clusters.

Grzegorz Chrupała; Dietrich Klakow


north american chapter of the association for computational linguistics | 2010

Lemmatization and Lexicalized Statistical Parsing of Morphologically-Rich Languages: the Case of French

Djamé Seddah; Grzegorz Chrupała; Özlem Çetinoğlu; Josef van Genabith; Marie Candito


north american chapter of the association for computational linguistics | 2012

Hierarchical clustering of word class distributions

Grzegorz Chrupała


empirical methods in natural language processing | 2012

Concurrent Acquisition of Word Meaning and Lexical Categories

Afra Alishahi; Grzegorz Chrupała


Theory and Applications of Categories | 2010

Saarland University Spoken Language Systems at the Slot Filling Task of TAC KBP 2010

Grzegorz Chrupała; Saeedeh Momtazi; Michael Wiegand; Stefan Kazalski; Fang Xu; Benjamin Roth; Alexandra Balahur; Dietrich Klakow


conference of the european chapter of the association for computational linguistics | 2012

Learning from evolving data streams: online triage of bug reports

Grzegorz Chrupała

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