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Design and Implementation of a Learning Analytics Toolkit for Teachers
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Dyckhoff, Anna Lea; Zielke, Dennis; Bultmann, Mareike; Chatti, Mohamed Amine; Schroeder, Ulrik – Educational Technology & Society, 2012
Learning Analytics can provide powerful tools for teachers in order to support them in the iterative process of improving the effectiveness of their courses and to collaterally enhance their students' performance. In this paper, we present the theoretical background, design, implementation, and evaluation details of eLAT, a Learning Analytics…
Descriptors: Foreign Countries, Computer Uses in Education, Semi Structured Interviews, Usability
Semantic Search of Tools for Collaborative Learning with the Ontoolsearch System
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Vega-Gorgojo, Guillermo; Bote-Lorenzo, Miguel L.; Asensio-Perez, Juan I.; Gomez-Sanchez, Eduardo; Dimitriadis, Yannis A.; Jorrin-Abellan, Ivan M. – Computers & Education, 2010
This paper introduces Ontoolsearch, a new search system that can be employed by educators in order to find suitable tools for supporting collaborative learning settings. Current tool search facilities commonly allow simple keyword searches, limiting the accuracy of obtained results. In contrast, Ontoolsearch supports semantic querying of tool…
Descriptors: Information Retrieval, Educational Resources, Comparative Analysis, Computer Software
Visualization and Scaling of TREC Topic Document Sets.
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Rorvig, Mark; Fitzpatrick, Steven – Information Processing & Management, 1998
Examined the use of the TREC Information Retrieval Test Collection for evaluating visual information retrieval interfaces (VIRI). Found that TREC data sets were suitable as development tools for VIRIs and traditional information retrieval systems and that the computational cost of organizing data into useful visual fields were high and related to…
Descriptors: Computer Interfaces, Computer Software Development, Computer Software Evaluation, Costs
A Smart Itsy Bitsy Spider for the Web.
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Chen, Hsinchun; Chung, Yi-Ming; Ramsey, Marshall; Yang, Christopher C. – Journal of the American Society for Information Science, 1998
This study tested two Web personal spiders (i.e., agents that take users' requests and perform real-time customized searches) based on best first-search and genetic-algorithm techniques. Both results were comparable and complementary, although the genetic algorithm obtained higher recall value. The Java-based interface was found to be necessary…
Descriptors: Algorithms, Artificial Intelligence, Computer Interfaces, Computer Software Evaluation
Bibliographic Displays in OPACs and Web Catalogs: How Well Do They Comply with Display Guidelines?
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Cherry, Joan M. – Information Technology and Libraries, 1998
Evaluation of data from assessments of full bibliographic displays in academic library OPACs (online public access catalogs) and World Wide Web catalogs against a checklist of desirable features found that OPAC displays scored 58% and Web displays scored 60%. Discusses weaknesses, focusing on those found in the majority of the displays…
Descriptors: Academic Libraries, Bibliographic Records, Check Lists, Comparative Analysis