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» Semantic queries in databases: problems and challenges
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DAWAK
2007
Springer
14 years 3 months ago
Mining Top-K Multidimensional Gradients
Several business applications such as marketing basket analysis, clickstream analysis, fraud detection and churning migration analysis demand gradient data analysis. By employing g...
Ronnie Alves, Orlando Belo, Joel Ribeiro
ICDE
2006
IEEE
201views Database» more  ICDE 2006»
14 years 10 months ago
Approximate Data Collection in Sensor Networks using Probabilistic Models
Wireless sensor networks are proving to be useful in a variety of settings. A core challenge in these networks is to minimize energy consumption. Prior database research has propo...
David Chu, Amol Deshpande, Joseph M. Hellerstein, ...
VLDB
2005
ACM
126views Database» more  VLDB 2005»
14 years 2 months ago
Hubble: An Advanced Dynamic Folder Technology for XML
A significant amount of information is stored in computer systems today, but people are struggling to manage their documents such that the information is easily found. XML is a de...
Ning Li, Joshua Hui, Hui-I Hsiao, Kevin S. Beyer
CIKM
2009
Springer
14 years 3 months ago
Frequent subgraph pattern mining on uncertain graph data
Graph data are subject to uncertainties in many applications due to incompleteness and imprecision of data. Mining uncertain graph data is semantically different from and computat...
Zhaonian Zou, Jianzhong Li, Hong Gao, Shuo Zhang
WWW
2001
ACM
14 years 9 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...