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EMNLP
2007
14 years 11 months ago
Characterizing the Errors of Data-Driven Dependency Parsing Models
We present a comparative error analysis of the two dominant approaches in datadriven dependency parsing: global, exhaustive, graph-based models, and local, greedy, transition-base...
Ryan T. McDonald, Joakim Nivre
ICIAP
2007
ACM
15 years 10 months ago
Natural scenes categorization by hierarchical extraction of typicality patterns
Natural scene categorization of images represents a very useful task for automatic image analysis systems in a wide variety of applications. In the literature, several methods hav...
Alessandro Perina, Marco Cristani, Vittorio Murino
ADBIS
2003
Springer
204views Database» more  ADBIS 2003»
15 years 1 months ago
Hierarchical Bitmap Index: An Efficient and Scalable Indexing Technique for Set-Valued Attributes
Abstract. Set-valued attributes are convenient to model complex objects occurring in the real world. Currently available database systems support the storage of set-valued attribut...
Mikolaj Morzy, Tadeusz Morzy, Alexandros Nanopoulo...
ICML
2006
IEEE
15 years 10 months ago
Hierarchical classification: combining Bayes with SVM
We study hierarchical classification in the general case when an instance could belong to more than one class node in the underlying taxonomy. Experiments done in previous work sh...
Nicolò Cesa-Bianchi, Claudio Gentile, Luca ...
ACSC
2004
IEEE
15 years 1 months ago
Flexible Layering in Hierarchical Drawings with Nodes of Arbitrary Size
Graph drawing is an important area of information visualization which concerns itself with the visualization of relational data structures. Relational data like networks, hierarch...
Carsten Friedrich, Falk Schreiber