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IR
2010
15 years 4 months ago
Gradient descent optimization of smoothed information retrieval metrics
Abstract Most ranking algorithms are based on the optimization of some loss functions, such as the pairwise loss. However, these loss functions are often different from the criter...
Olivier Chapelle, Mingrui Wu
DEXA
2007
Springer
115views Database» more  DEXA 2007»
16 years 14 days ago
Ontology Modularization for Knowledge Selection: Experiments and Evaluations
Problems with large monolithical ontologies in terms of reusability, scalability and maintenance have lead to an increasing interest in modularization techniques for ontologies. Cu...
Mathieu d'Aquin, Anne Schlicht, Heiner Stuckenschm...
APWEB
2005
Springer
15 years 12 months ago
A Pattern Restore Method for Restoring Missing Patterns in Server Side Clickstream Data
Abstract. When analyzing patterns in server side data, it becomes quickly apparent that some of the data originating from the client is lost, mainly due to the caching of web pages...
I-Hsien Ting, Chris Kimble, Daniel Kudenko
CIKM
2004
Springer
15 years 11 months ago
MRSSA: an iterative algorithm for similarity spreading over interrelated objects
We introduce the Multiple Relationship Similarity Spreading Algorithm (MRSSA) to enhance IR effectiveness. This method has similarity computed in an iterative “spreading” fash...
Gui-Rong Xue, Hua-Jun Zeng, Zheng Chen, Yong Yu, W...
BMCBI
2010
193views more  BMCBI 2010»
15 years 6 months ago
caGrid Workflow Toolkit: A Taverna based workflow tool for cancer Grid
Background: In biological and medical domain, the use of web services made the data and computation functionality accessible in a unified manner, which helped automate the data pi...
Wei Tan, Ravi K. Madduri, Aleksandra Nenadic, Stia...