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WAIM
2004
Springer
15 years 11 months ago
Estimating the Selectivity of XML Path Expression with Predicates by Histograms
Selectivity estimation of path expressions in querying XML data plays an important role in query optimization. A path expression may contain multiple branches with predicates, each...
Yu Wang, Haixun Wang, Xiaofeng Meng, Shan Wang
MSS
2003
IEEE
130views Hardware» more  MSS 2003»
15 years 11 months ago
zFS - A Scalable Distributed File System Using Object Disks
zFS is a research project aimed at building a decentralized file system that distributes all aspects of file and storage management over a set of cooperating machines interconne...
Ohad Rodeh, Avi Teperman
HAIS
2009
Springer
15 years 10 months ago
Unsupervised Feature Selection in High Dimensional Spaces and Uncertainty
Developing models and methods to manage data vagueness is a current effervescent research field. Some work has been done with supervised problems but unsupervised problems and unce...
José Ramón Villar, María del ...
CIKM
2001
Springer
15 years 10 months ago
Automatic Discovery of Salient Segments in Imperfect Speech Transcripts
This paper addresses the problem of automatic detection of salient video segments for real-world applications such as corporate training based on associated speech transcriptions....
Dulce B. Ponceleon, Savitha Srinivasan
INAP
2001
Springer
15 years 10 months ago
Discovering Frequent Itemsets in the Presence of Highly Frequent Items
This paper presents new techniques for focusing the discoveryof frequent itemsets within large, dense datasets containing highly frequent items. The existence of highly frequent i...
Dennis P. Groth, Edward L. Robertson