| 05.2007 | Visiting scholar at the Laboratoire Linguistique de Nantes (LLING)
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| 01.2007–03.2007 | Visiting scholar at the Centro Linguistica da Universidade de Lisboa (CLUL)
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| 10.2005–07.2006 | Visiting scholar at the Sonderforschungsbereich 441 Linguistische Datenstrukturen Universitaet Tuebingen
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