In text mining, a collection of documents is often pre-processed to form a sparse termdocument matrix. In Latent Semantic Indexing (LSI), this is followed by a computation of a low-rank approximation to the data matrix, in order to filter out noise and redundancy due to word usage. The computation of these low-rank approximation by factorization algorithms can be time-consuming when the data se...

The creation of knowledge by pediatric nurse scientists that informs and directs everyday nursing practice is essential to delivering safe effective care children. health our children at stake due current statistics showing a steady decline in nurses lack with PhDs. objectives this paper are to: Summarize the demands on care. Express concern there insufficient produce fundamental needed direct ...

largescalechanges in the global system with unpredictablebut significant political and economic consequences aretaking place front of our eyes. Europe is situated atthe centre a socio-economic crisis thathas exacerbated key contradictions long-termdevelopment, deepening conflict between society andnature. The concepts civilized world – theprinciples democracy, rule law cultural values– are unde...

Information technology (IT) allows for large-scale data collection and data analysis, e.g. through logs of user behavior and online surveys. While the issue of structured access to data is extremely important, previous research has not sufficiently emphasized design of data export for research purposes. If researchers are to make their data accessible, they must be empowered to export data in a...