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ICDE
2008
IEEE
137views Database» more  ICDE 2008»
14 years 10 months ago
Efficient Processing of XML Update Streams
This paper introduces a framework for processing continuous, exact queries over continuous update XML streams. Instead of eagerly performing the updates on cached portions of the s...
Leonidas Fegaras
ICDE
2006
IEEE
116views Database» more  ICDE 2006»
14 years 10 months ago
Predicate-based Filtering of XPath Expressions
The XML/XPath filtering problem has found wide-spread interest. In this paper, we propose a novel algorithm for solving it. Our approach encodes XPath expressions (XPEs) as ordere...
Shuang Hou, Hans-Arno Jacobsen
SIGMOD
2002
ACM
145views Database» more  SIGMOD 2002»
14 years 9 months ago
Continuously adaptive continuous queries over streams
We present a continuously adaptive, continuous query (CACQ) implementation based on the eddy query processing framework. We show that our design provides significant performance b...
Samuel Madden, Mehul A. Shah, Joseph M. Hellerstei...
CIKM
2009
Springer
14 years 3 months ago
Inverted indexes vs. bitmap indexes in decision support systems
Bitmap indexes are widely used in Decision Support Systems (DSSs) to improve query performance. In this paper, we evaluate the use of compressed inverted indexes with adapted quer...
Truls A. Bjørklund, Nils Grimsmo, Johannes ...
IPMI
2005
Springer
14 years 2 months ago
Construction and Validation of Mean Shape Atlas Templates for Atlas-Based Brain Image Segmentation
In this paper, we evaluate different schemes for constructing a mean shape anatomical atlas for atlas-based segmentation of MR brain images. Each atlas is constructed and validate...
Qian Wang, Dieter Seghers, Emiliano D'Agostino, Fr...