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» GenerIE: Information extraction using database queries
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ICDE
2004
IEEE
259views Database» more  ICDE 2004»
15 years 11 months ago
Querying about the Past, the Present, and the Future in Spatio-Temporal
Moving objects (e.g., vehicles in road networks) continuously generate large amounts of spatio-temporal information in the form of data streams. Efficient management of such strea...
Jimeng Sun, Dimitris Papadias, Yufei Tao, Bin Liu
SIGIR
2010
ACM
14 years 10 months ago
Ontology-enriched multi-document summarization in disaster management
In this poster, we propose a novel document summarization approach named Ontology-enriched M ulti-Document Summarization(OMS) for utilizing background knowledge to improve summari...
Lei Li, Dingding Wang, Chao Shen, Tao Li
COOPIS
1996
IEEE
15 years 2 months ago
Integrity Constraint Checking in Federated Databases
A federated database is comprised of multiple interconnected database systems that primarily operate independently but cooperate to a certain extent. Global integrity constraints c...
Paul W. P. J. Grefen, Jennifer Widom
SIGMOD
1999
ACM
125views Database» more  SIGMOD 1999»
15 years 2 months ago
Selectivity Estimation in Spatial Databases
Selectivity estimation of queries is an important and wellstudied problem in relational database systems. In this paper, we examine selectivity estimation in the context of Geogra...
Swarup Acharya, Viswanath Poosala, Sridhar Ramaswa...
EDBT
2010
ACM
156views Database» more  EDBT 2010»
15 years 1 months ago
Pattern detector: fast detection of suspicious stream patterns for immediate reaction
Detecting emerging problems in information and manufacturing systems is the goal of monitoring tools. Good and timely detection of problematic conditions from measured indicators ...
Ira Assent, Hardy Kremer, Stephan Günnemann, ...