Integrating Syntactic and Prosodic Information for the Efficient Detection of Empty Categories. - Anton Batliner; Anke Feldhaus; Stefan Geißler; Andreas Kießling 001; Tibor Kiss; Ralf Kompe; Elmar Nöth (COLING, 1996)

Prosody, empty categories and parsing - a success story. - Anton Batliner; Anke Feldhaus; Stefan Geißler; Tibor Kiss; Ralf Kompe; Elmar Nöth (ICSLP, 1996)

The Treegram Index-An Efficient Technique for Retrieval in Linguistic Treebanks. - Hans Argenton; Anke Feldhaus (EACL, 1999)