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» Data Models and Query Languages for Spatial Databases
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PODS
2009
ACM
124views Database» more  PODS 2009»
16 years 3 months ago
Indexing uncertain data
Querying uncertain data has emerged as an important problem in data management due to the imprecise nature of many measurement data. In this paper we study answering range queries...
Pankaj K. Agarwal, Siu-Wing Cheng, Yufei Tao, Ke Y...
134
Voted
ICDE
2010
IEEE
211views Database» more  ICDE 2010»
15 years 9 months ago
ROX: The robustness of a run-time XQuery optimizer against correlated data
— We demonstrate ROX, a run-time optimizer of XQueries, that focuses on finding the best execution order of XPath steps and relational joins in an XQuery. The problem of join or...
Riham Abdel Kader, Peter A. Boncz, Stefan Manegold...
HPDC
2010
IEEE
15 years 3 months ago
Browsing large scale cheminformatics data with dimension reduction
Visualization of large-scale high dimensional data tool is highly valuable for scientific discovery in many fields. We present PubChemBrowse, a customized visualization tool for c...
Jong Youl Choi, Seung-Hee Bae, Judy Qiu, Geoffrey ...
WWW
2001
ACM
16 years 3 months ago
A unified constraint model for XML
Integrity constraints are an essential part of a modern schema definition language. They are useful for semantic specification, update consistency control, query optimization, inf...
Gabriel M. Kuper, Jérôme Siméo...
UBIMOB
2009
ACM
154views Management» more  UBIMOB 2009»
15 years 9 months ago
SoCQ: a pervasive environment management system
Pervasive systems give an overview of what digital environments should look like in the future. SoCQ takes a data-oriented perspective on the pervasive environment through a uni...
Yann Gripay, Frédérique Laforest, Je...