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WWW
2001
ACM
14 years 11 months ago
Online Learning in Hong Kong: A Preliminary Comparison of the Lecture and Online Versions of a Computing Fundamentals Course
This case study compares students' learning experience and outcomes in the lecture and online versions of a first-year introductory computing course offered at the Department...
Giovanni B. Moneta, Synnöve Kekkonen-Moneta
ER
2004
Springer
107views Database» more  ER 2004»
14 years 4 months ago
A Scaleless Data Model for Direct and Progressive Spatial Query Processing
A progressive spatial query retrieves spatial data based on previous queries (e.g., to fetch data in a more restricted area with higher resolution). A direct query, on the other si...
Sai Sun, Sham Prasher, Xiaofang Zhou
EDBTW
2006
Springer
14 years 27 days ago
The Importance of Algebra for XML Query Processing
Abstract. Relational algebra has been a crucial foundation for relational database systems, and has played a large role in enabling their success. A corresponding XML algebra for X...
Stelios Paparizos, H. V. Jagadish
CORR
2004
Springer
92views Education» more  CORR 2004»
13 years 10 months ago
Tournament versus Fitness Uniform Selection
1 In evolutionary algorithms a critical parameter that must be tuned is that of selection pressure. If it is set too low then the rate of convergence towards the optimum is likely...
Shane Legg, Marcus Hutter, Akshat Kumar
ISBI
2008
IEEE
14 years 11 months ago
Segmentation of 4D MR renography images using temporal dynamics in a level set framework
A novel 4D level set framework was developed to segment dynamic MR images into the cortex, medulla and collecting system. The novelty of the method is that it combines information...
Ting Song, Vivian S. Lee, Henry Rusinek, Qun Chen,...