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Case Study: Evaluation of a Tool for Searching inside a Collection of Multimodal e-Lectures  Marco Ronchetti Angela Fogarolli Dipartim. Informatica e Telecomunicazioni Universit à  di Trento Italy
Logical  Architecture Synchronous ( webcast ) Asynchronous  ( On line , or  download - podcast ) Asynchronous( CD - DVD )
Acquisition setup
Cognitive interface ,[object Object],[object Object],[object Object],[object Object],[object Object]
LODE: the user interface
New Flash version
Lode - portability Supporto della didattica tradizionale Mac – Win - Linux Player MP4 (no slides yet) Presently attempting a port to mobile phones
Student feedback ,[object Object],[object Object],75% anticipated using the system often or very often   5% 63% total 2 nd  exam  (23 stud.) 1 st  exam (45 stud.) students who… 4% 6% … followed the course completely off-line 87% 51% … used the system to review at least one lecture
Advantages from student’s perspective ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Other advantages ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Can we do more? ,[object Object],[object Object],[object Object],[object Object],[object Object]
Needle - search results
Needle - architecture ASR Multimodal search!
Questions ,[object Object],[object Object]
Scenario ,[object Object],[object Object],[object Object],[object Object]
Experiment ,[object Object],[object Object],[object Object]
Experiment ,[object Object],[object Object],[object Object],[object Object]
Pre-test results
Test results
Analysis ,[object Object],[object Object],[object Object]
Further investigations ,[object Object],[object Object],[object Object],[object Object]
Conclusion ,[object Object],[object Object],[object Object]

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Case study: evaluation of a tool for searching inside a collection of multimodal e-lectures