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TEXTrend (http://www.textrend.org) lead by George Kampis, Eötvös University, Hungary develops a framework for the easy and flexible integration, configuration, and extension of plugin-based components in support of natural language processing (NLP), classification/mining, and graph algorithms for the analysis of business and governmental text corpuses with an inherently temporal component (Kampis, Gulyas et al. 2009). TEXTrends recently adopted OSGi/CIShell for the core architecture and the first seven plugins are IBMs Unstructured Information Management Architecture (UIMA) (http://incubator.apache.org/uima), the data mining, machine learning, classification and visualization toolset WEKA (http://www.cs.waikato.ac.nz/ml/weka), Cytoscape, Arff2xgmml converter, R (http://www.r-project.org) via iGgraph and scripts (http://igraph.sourceforge.net), and yEd. Upcoming work will focus on integrating the Cfinder clique percolation analysis and visualization tool (http://www.cfinder.org), workflow support, and web services.

Note that the Sci2 Sci2 Tool uses plugins from several other efforts/tools such as the Information Visualization cyberinfrastructure (http://iv.cns.iu.edu), the Network Workbench (http://nwb.cns.iu.edu), and TEXTrend. As the functionality of OSGi/CIShell-based software frameworks improves and the number and diversity of dataset and algorithm plugins increases, the capabilities of custom tools will expand.