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ICDE
2012
IEEE
205views Database» more  ICDE 2012»
11 years 11 months ago
Optimizing Statistical Information Extraction Programs over Evolving Text
—Statistical information extraction (IE) programs are increasingly used to build real-world IE systems such as Alibaba, CiteSeer, Kylin, and YAGO. Current statistical IE approach...
Fei Chen, Xixuan Feng, Christopher Re, Min Wang
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
VLDB
2007
ACM
131views Database» more  VLDB 2007»
14 years 9 months ago
Dissemination of compressed historical information in sensor networks
Sensor nodes are small devices that "measure" their environment and communicate feeds of low-level data values to a base station for further processing and archiving. Dis...
Antonios Deligiannakis, Yannis Kotidis, Nick Rouss...
SIGMOD
2009
ACM
192views Database» more  SIGMOD 2009»
14 years 9 months ago
A gauss function based approach for unbalanced ontology matching
Ontology matching, aiming to obtain semantic correspondences between two ontologies, has played a key role in data exchange, data integration and metadata management. Among numero...
Qian Zhong, Hanyu Li, Juanzi Li, Guo Tong Xie, Jie...
SIGMOD
2006
ACM
106views Database» more  SIGMOD 2006»
14 years 9 months ago
Run-time operator state spilling for memory intensive long-running queries
Main memory is a critical resource when processing longrunning queries over data streams with state intensive operators. In this work, we investigate state spill strategies that h...
Bin Liu, Yali Zhu, Elke A. Rundensteiner