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ICDE
2009
IEEE
140views Database» more  ICDE 2009»
14 years 10 months ago
Predicting Multiple Metrics for Queries: Better Decisions Enabled by Machine Learning
One of the most challenging aspects of managing a very large data warehouse is identifying how queries will behave before they start executing. Yet knowing their performance charac...
Archana Ganapathi, Harumi A. Kuno, Umeshwar Dayal,...
CIKM
2008
Springer
13 years 10 months ago
Combining concept hierarchies and statistical topic models
Statistical topic models provide a general data-driven framework for automated discovery of high-level knowledge from large collections of text documents. While topic models can p...
Chaitanya Chemudugunta, Padhraic Smyth, Mark Steyv...
MM
2006
ACM
181views Multimedia» more  MM 2006»
14 years 2 months ago
Towards content-based relevance ranking for video search
Most existing web video search engines index videos by file names, URLs, and surrounding texts. These types of video roughly describe the whole video in an abstract level without ...
Wei Lai, Xian-Sheng Hua, Wei-Ying Ma
MVA
2006
205views Computer Vision» more  MVA 2006»
13 years 8 months ago
Ontological inference for image and video analysis
Abstract This paper presents an approach to designing and implementing extensible computational models for perceiving systems based on a knowledge-driven joint inference approach. ...
Christopher Town
CIMCA
2008
IEEE
13 years 10 months ago
Portlets-Based Portal for an E-learning Grid
This paper describes a portlet-based portal that provides user interfaces for access a Grid-based elearning platform. E-learning platforms that exploit resources and computing pow...
Felicia Ionescu, Cristina Elena Stoica, Mircea Dea...