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ICALT
2006
IEEE
14 years 1 months ago
Hybrid System for Generating Learning Object Metadata
– Generating LOM for learning material is a complex and tedious task to be manually completed. Therefore, the current trend is to automate this process. However, there are severa...
Olivier Motelet, Nelson A. Baloian
SIGMOD
2008
ACM
169views Database» more  SIGMOD 2008»
14 years 7 months ago
MCDB: a monte carlo approach to managing uncertain data
To deal with data uncertainty, existing probabilistic database systems augment tuples with attribute-level or tuple-level probability values, which are loaded into the database al...
Ravi Jampani, Fei Xu, Mingxi Wu, Luis Leopoldo Per...
CSUR
1999
114views more  CSUR 1999»
13 years 7 months ago
Directions for Research in Approximate System Analysis
useful for optimizing compilers [15], partial evaluators [11], abstract debuggers [1], models-checkers [2], formal verifiers [13], etc. The difficulty of the task comes from the fa...
Patrick Cousot
IJCAI
2007
13 years 8 months ago
Improving Anytime Point-Based Value Iteration Using Principled Point Selections
Planning in partially-observable dynamical systems (such as POMDPs and PSRs) is a computationally challenging task. Popular approximation techniques that have proved successful ar...
Michael R. James, Michael E. Samples, Dmitri A. Do...
EDBT
2006
ACM
105views Database» more  EDBT 2006»
14 years 7 months ago
HASE: A Hybrid Approach to Selectivity Estimation for Conjunctive Predicates
Current methods for selectivity estimation fall into two broad categories, synopsis-based and sampling-based. Synopsis-based methods, such as histograms, incur minimal overhead at ...
Xiaohui Yu, Nick Koudas, Calisto Zuzarte