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Showing posts from December 21, 2013

week 16 Learning from Data

Data Visualization  Explore visually for trends in the data usually for decision making Artificial Neural Network as Learning Model Neural Networks are networks of neurons.   Neural network: information processing paradigm inspired by biological nervous systems Supervised The NN needs a teacher with a training set of examples of input and output Unsupervised (or Self-Supervised) Does not need a teacher Layers of KM Architecture There  are seven layers in the knowledge management architecture User interface layers Provide the actual interface between user and knwledge  management system Authorized Access Layers Internet  News Event Marketing E-Commerce Careers Intranet Human Resource Information Production Information Sales Information Strategic Plan Extranet  Client Supplier Vendors Partners Customers Collaborative intelligent filtering Intelligent  Agents Network mining  Customizat...

week 15 Learning from data

It is a learning methodology for knowledge management system  the context of learning is  collaborative intelligence layer The process of filtering and transforming of data into valid and useful knowledge The final goal is to improve the quality of communication and decision making There are two approaches used in learning from data environment Top-down approaches Start with hypothesis derived from observation or prior knowledge. Bottom-up approaches No hypothesis to test