SenseClusters is a freely–available open– source system that served as the University of Minnesota, Duluth entry in the SENSEVAL-4 sense induction task. For this task SenseClusters was configured to construct representations of the instances to be clustered using the centroid of word cooccurrence vectors that replace the words in an instance. These instances are then clustered using k–means whe...

This work investigates the task of porting a broadcast news recognition system to a conversational speech domain, for which only untranscribed acoustic data are available. An iterative adaptation procedure is proposed that alternatively generates automatic speech transcriptions and performs acoustic and language model adaptation. The procedure was applied on a tourist-information conversational...

The construction of enterprise context models, fundamental tool to design of modern information systems, is usually a cumbersome task to lead, largely due to the gap of communication between the administrative staff and technical consultants in charge of its construction. In order to make this task easier previous works encouraging the reuse of i* context elements through the implementation and...