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MM
2005
ACM
114views Multimedia» more  MM 2005»
16 years 6 days ago
IMAGINATION: a robust image-based CAPTCHA generation system
We propose IMAGINATION (IMAge Generation for INternet AuthenticaTION), a system for the generation of attack-resistant, user-friendly, image-based CAPTCHAs. In our system, we prod...
Ritendra Datta, Jia Li, James Ze Wang
ICMCS
1999
IEEE
107views Multimedia» more  ICMCS 1999»
15 years 11 months ago
Resource Negotiation for Collaborative Multimedia Presentations
Distributed multimedia documents systems, distributed video servers are examples of multimedia presentations involving collaboration among multiple information sources. In such ap...
B. Prabhakaran
SIGIR
2004
ACM
16 years 2 days ago
Display time as implicit feedback: understanding task effects
Recent research has had some success using the length of time a user displays a document in their web browser as implicit feedback for document preference. However, most studies h...
Diane Kelly, Nicholas J. Belkin
DEXA
2007
Springer
127views Database» more  DEXA 2007»
16 years 25 days ago
A Method for Determining Ontology-Based Semantic Relevance
The semantic web is based on ontologies and metadata that indexes resources using ontologies. This indexing is called annotation. Ontology based information retrieval is an operati...
Tuukka Ruotsalo, Eero Hyvönen
CAISE
2006
Springer
15 years 10 months ago
An e-Librarian Service that Understands Natural Language Questions from Students
In this paper we present an e-librarian service which is able to retrieve multimedia resources from a knowledge base in a more efficient way than by browsing through an index or by...
Serge Linckels, Christoph Meinel, Thomas Engel