Using Educational Resources to Improve the Efficiency of Web Searches for Additional Learning Material

Busca Contextualizada Enriquecida com Dados Abertos para Apoiar a Aprendizagem Colaborativa em Redes Sociais

“…Prates e Siqueira [27,28] propõem um método semiautomático para apoiar a contextualização das atividades de busca na Web. Sua abordagem realiza a extração de conhecimento dependente de corpus (análise e processamento textual) para então utilizar técnica de expansão das consultas e as executa em motores de busca Web.…”

A Search Engine to Categorize LOs

“…Combining these values, it is possible to compute the importance degree of a LO [5]. On the objects that are text documents, [6] and [7] suggest a series of operations turned to extract the most significant terms: the phases of tokenization, stop words filtration and stemming. The n terms with the highest frequencies are selected and added to the LOs metadata.…”

“…[1], [7] and [8] consider fundamental a clusterization of the LOs in macro-groups. Some specific clustering algorithms exist that measure similarities among different objects and group them into categories.…”