Sciweavers

4589 search results - page 173 / 918
» A new evaluation measure for information retrieval systems
Sort
View
ICALT
2005
IEEE
16 years 5 days ago
The Use of an Adaptive Hypermedia Learning System to Support a New Pedagogical Model
The purpose of this paper is to present the current state and future development of the PLATINEA project. This project allows students and teachers to create and to consolidate kn...
Constatino Martins, Isabel Azevedo, Carlos Vaz de ...
IADIS
2003
15 years 8 months ago
Quality, Effectiveness and Information Systems: A Literature Review, Synthesis and Research Agenda
Despite numerous frameworks and models proposed in the literature, Information Systems (IS) assessment still remains elusive. Above all, there is little agreement on the contribut...
Sevgi Ozkan
ICIP
2009
IEEE
16 years 7 months ago
Security Evaluation Of Informed Watermarking Schemes
In this paper, security evaluation of an important watermarking class based on quantization is given. Theoretical developments and practical simulations are used to measure the se...
EMNLP
2007
15 years 8 months ago
Lexical Semantic Relatedness with Random Graph Walks
Many systems for tasks such as question answering, multi-document summarization, and information retrieval need robust numerical measures of lexical relatedness. Standard thesauru...
Thad Hughes, Daniel Ramage
WWW
2006
ACM
16 years 7 months ago
Visualizing tags over time
We consider the problem of visualizing the evolution of tags within the Flickr (flickr.com) online image sharing community. Any user of the Flickr service may append a tag to any ...
Micah Dubinko, Ravi Kumar, Joseph Magnani, Jasmine...