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» The Expected Value of Hierarchical Problem-Solving
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AAAI
1992
13 years 6 months ago
The Expected Value of Hierarchical Problem-Solving
est case using an abstraction hierarchy in problem-solving can yield an exponential speed-up in search e ciency. Such a speed-up is predicted by various analytical models develope...
Fahiem Bacchus, Qiang Yang
ASWEC
2007
IEEE
13 years 11 months ago
Formal Validation of Hierarchical State Machines against Expectations
This paper explains some analyses that can be performed on a hierarchical finite state machine to validate that it performs as intended. Such a hierarchical state machine has tra...
Ian Toyn, Andy Galloway
AMT
2009
Springer
116views Multimedia» more  AMT 2009»
13 years 11 months ago
Unifying Web-Scale Search and Reasoning from the Viewpoint of Granularity
Considering the time constraints and Web scale data, it is impossible to achieve absolutely complete reasoning results. Plus, the same results may not meet the diversity of user ne...
Yi Zeng, Yan Wang, Zhisheng Huang, Ning Zhong
BMCBI
2004
113views more  BMCBI 2004»
13 years 4 months ago
Influence of microarrays experiments missing values on the stability of gene groups by hierarchical clustering
Background: Microarray technologies produced large amount of data. The hierarchical clustering is commonly used to identify clusters of co-expressed genes. However, microarray dat...
Alexandre G. de Brevern, Serge A. Hazout, Alain Ma...
ICWS
2009
IEEE
14 years 2 months ago
Selective Querying for Adapting Hierarchical Web Service Compositions Using Aggregate Volatility
Environments in which Web service compositions (WSC) operate are often dynamic. We address the problem of which service to query for up-to-date information in order to adapt a hie...
John Harney, Prashant Doshi