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ICDE
2010
IEEE
224views Database» more  ICDE 2010»
16 years 6 months ago
Probabilistic Declarative Information Extraction
Abstract-Unstructured text represents a large fraction of the world's data. It often contain snippets of structured information within them (e.g., people's names and zip ...
Daisy Zhe Wang, Eirinaios Michelakis, Joseph M. He...
EWSN
2008
Springer
16 years 6 months ago
Discovery of Frequent Distributed Event Patterns in Sensor Networks
Today it is possible to deploy sensor networks in the real world and collect large amounts of raw sensory data. However, it remains a major challenge to make sense of sensor data, ...
Kay Römer
ICDE
2010
IEEE
227views Database» more  ICDE 2010»
16 years 1 months ago
Incorporating partitioning and parallel plans into the SCOPE optimizer
— Massive data analysis on large clusters presents new opportunities and challenges for query optimization. Data partitioning is crucial to performance in this environment. Howev...
Jingren Zhou, Per-Åke Larson, Ronnie Chaiken
CCS
2010
ACM
16 years 1 months ago
A logic for authorization provenance
In distributed environments, statements from a number of principals, besides the central trusted party, may influence the derivations of authorization decisions. However, existin...
Jinwei Hu, Yan Zhang, Ruixuan Li, Zhengding Lu
DASFAA
2009
IEEE
96views Database» more  DASFAA 2009»
16 years 1 months ago
Materialized View Selection in XML Databases
Materialized views, a rdbms silver bullet, demonstrate its efficacy in many applications, especially as a data warehousing/decison support system tool. The pivot of playing materia...
Nan Tang, Jeffrey Xu Yu, Hao Tang, M. Tamer Ö...