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» Efficient processing of XPath queries using indexes
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ICDE
2006
IEEE
194views Database» more  ICDE 2006»
14 years 10 months ago
The Gauss-Tree: Efficient Object Identification in Databases of Probabilistic Feature Vectors
In applications of biometric databases the typical task is to identify individuals according to features which are not exactly known. Reasons for this inexactness are varying meas...
Alexey Pryakhin, Christian Böhm, Matthias Sch...
SIGMOD
2008
ACM
142views Database» more  SIGMOD 2008»
14 years 9 months ago
Cost-based variable-length-gram selection for string collections to support approximate queries efficiently
Approximate queries on a collection of strings are important in many applications such as record linkage, spell checking, and Web search, where inconsistencies and errors exist in...
Xiaochun Yang, Bin Wang, Chen Li
SIGMOD
2005
ACM
154views Database» more  SIGMOD 2005»
14 years 9 months ago
Lazy XML Updates: Laziness as a Virtue of Update and Structural Join Efficiency
XML documents are normally stored as plain text files. Hence, the natural and most convenient way to update XML documents is to simply edit the text files. But efficient query eva...
Barbara Catania, Wen Qiang Wang, Beng Chin Ooi, Xi...
SIGMOD
2010
ACM
308views Database» more  SIGMOD 2010»
13 years 7 months ago
GBLENDER: towards blending visual query formulation and query processing in graph databases
Given a graph database D and a query graph g, an exact subgraph matching query asks for the set S of graphs in D that contain g as a subgraph. This type of queries find important...
Changjiu Jin, Sourav S. Bhowmick, Xiaokui Xiao, Ja...
CIKM
1997
Springer
14 years 1 months ago
Using a Sequential Index in Terrain-Aided Navigation
Terrain-aided navigation is a database application in which an aeroplane locates itself by matching the height trajectory with a terrain-elevation map on board the aircraft. Witho...
Ling Lin, Tore Risch