Unsupervised categorisation approaches for technical support automated agents. - Amparo Albalate; Dimitar Dimitrov; Roberto Pieraccini (INTERSPEECH, 2007)

Hard vs. Fuzzy Clustering for Speech Utterance Categorization. - Amparo Albalate; David Suendermann (PIT, 2008)

A Combination Approach to Cluster Validation Based on Statistical Quantiles. - Amparo Albalate; David Suendermann (IJCBS, 2009)

A Non-parameterised Hierarchical Pole-based Clustering Algorithm (HPoBC). - Amparo Albalate; Steffen Rhinow; David Suendermann (ICAART (1), 2010)

On Ambiguity Detection and Postprocessing Schemes using Cluster Ensembles. - Amparo Albalate; Aparna Suchindranath; Mehmet Muti Soenmez; David Suendermann (ICAART (1), 2010)

A Semi-supervised Cluster-and-label Algorithm for Utterance Classification. - Amparo Albalate; Aparna Suchindranath; Wolfgang Minker (Intelligent Environments (Workshops), 2010)

A semi-supervised cluster-and-label approach for utterance classification. - Amparo Albalate; Aparna Suchindranath; David Suendermann; Wolfgang Minker (INTERSPEECH, 2010)

Novel strategies on semi-supervised and unsupervised machine learning. - Amparo G. Albalate Gómez (2010)

An Approach to Semi-supervised Classification using the Hungarian Algorithm. - Amparo Albalate; Aparna Suchindranath; Wolfgang Minker (ICAART (1), 2011)

On Cluster Validation for Detecting the Number of Clusters in a Data Set. - Amparo Albalate; David Suendermann; Wolfgang Minker (Int. J. Artif. Intell. Tools, 2011)