In this paper, we propose a syntax-based text retrieval system for on-line language learning and use a fast regular expression search engine as its main component. Regular expression searches provide more scalable querying and search results than keyword-based searches. However, without a well-designed index scheme, the execution time of regular…

The thesaurus is divided into two parts. The first part lists descriptor terms under eight main areas of concern in foreign language instruction; the second lists terms alphabetically and includes "use" and "use for" notations. More that 500 descriptors are included. An introduction describes the work of the Information Center for Research in…

The IADIS CELDA 2012 Conference intention was to address the main issues concerned with evolving learning processes and supporting pedagogies and applications in the digital age. There had been advances in both cognitive psychology and computing that have affected the educational arena. The convergence of these two disciplines is increasing at a…