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» Querying Complex Structured Databases
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ICDE
2009
IEEE
153views Database» more  ICDE 2009»
14 years 10 months ago
Efficient Distribution of Full-Fledged XQuery
Abstract-- We investigate techniques to automatically decompose any XQuery query into subqueries, that can be executed near their data sources; i.e., function-shipping. In this sce...
Ying Zhang, Nan Tang, Peter A. Boncz
DOLAP
2003
ACM
14 years 1 months ago
Hierarchical dwarfs for the rollup cube
The data cube operator exemplifies two of the most important aspects of OLAP queries: aggregation and dimension hierarchies. In earlier work we presented Dwarf, a highly compress...
Yannis Sismanis, Antonios Deligiannakis, Yannis Ko...
VLDB
2007
ACM
138views Database» more  VLDB 2007»
14 years 8 months ago
CADS: Continuous Authentication on Data Streams
We study processing and authentication of long-running queries on outsourced data streams. In this scenario, a data owner (DO) constantly transmits its data to a service provider ...
Stavros Papadopoulos, Yin Yang, Dimitris Papadias
BMCBI
2010
153views more  BMCBI 2010»
13 years 8 months ago
PPLook: an automated data mining tool for protein-protein interaction
Background: Extracting and visualizing of protein-protein interaction (PPI) from text literatures are a meaningful topic in protein science. It assists the identification of inter...
Shao-Wu Zhang, Yao-Jun Li, Li Xia, Quan Pan
VLDB
2000
ACM
229views Database» more  VLDB 2000»
13 years 11 months ago
Local Dimensionality Reduction: A New Approach to Indexing High Dimensional Spaces
Many emerging application domains require database systems to support efficient access over highly multidimensional datasets. The current state-of-the-art technique to indexing hi...
Kaushik Chakrabarti, Sharad Mehrotra