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PODS
2004
ACM
137views Database» more  PODS 2004»
14 years 9 months ago
On the Memory Requirements of XPath Evaluation over XML Streams
The important challenge of evaluating XPath queries over XML streams has sparked much interest in the past few years. A number of algorithms have been proposed, supporting wider f...
Ziv Bar-Yossef, Marcus Fontoura, Vanja Josifovski
ICDE
2010
IEEE
262views Database» more  ICDE 2010»
14 years 8 months ago
Approximate String Search in Spatial Databases
Abstract-- This work presents a novel index structure, MHRtree, for efficiently answering approximate string match queries in large spatial databases. The MHR-tree is based on the ...
Bin Yao, Feifei Li, Marios Hadjieleftheriou, Kun H...
SSD
2007
Springer
176views Database» more  SSD 2007»
14 years 3 months ago
Distributed, Concurrent Range Monitoring of Spatial-Network Constrained Mobile Objects
The ability to continuously monitor the positions of mobile objects is important in many applications. While most past work has been set in Euclidean spaces, the mobile objects rel...
Hua Lu, Zhiyong Huang, Christian S. Jensen, Linhao...
AAAI
2007
13 years 11 months ago
GRIN: A Graph Based RDF Index
RDF (“Resource Description Framework”) is now a widely used World Wide Web Consortium standard. However, methods to index large volumes of RDF data are still in their infancy....
Octavian Udrea, Andrea Pugliese, V. S. Subrahmania...
SIGMOD
2007
ACM
225views Database» more  SIGMOD 2007»
14 years 9 months ago
From complete to incomplete information and back
Incomplete information arises naturally in numerous data management applications. Recently, several researchers have studied query processing in the context of incomplete informat...
Lyublena Antova, Christoph Koch, Dan Olteanu