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DEBS
2009
ACM
14 years 3 months ago
Processing publish/subscribe queries over distributed data streams
We address the problem of processing continuous multi-join queries, over distributed data streams, making use of existing work in the field of publish/subscribe systems. We show ...
Oana Jurca, Sebastian Michel, Alexandre Herrmann, ...
GCC
2007
Springer
14 years 3 months ago
Adapting to Application Workflow in Processing Data Integration Queries
Data integration has evolved to provide efficient data management across distributed and heterogeneous data sources in grid environment. However, existing works in data integratio...
Yongwei Wu, Jia Liu, Gang Chen, Guangwen Yang, Bo ...
VLDB
2004
ACM
111views Database» more  VLDB 2004»
14 years 2 months ago
A Framework for Using Materialized XPath Views in XML Query Processing
XML languages, such as XQuery, XSLT and SQL/XML, employ XPath as the search and extraction language. XPath expressions often define complicated navigation, resulting in expensive...
Andrey Balmin, Fatma Özcan, Kevin S. Beyer, R...
PVLDB
2010
225views more  PVLDB 2010»
13 years 3 months ago
Efficient Processing of Top-k Spatial Preference Queries
Top-k spatial preference queries return a ranked set of the k best data objects based on the scores of feature objects in their spatial neighborhood. Despite the wide range of loc...
João B. Rocha-Junior, Akrivi Vlachou, Chris...
HIM
1997
Springer
162views Multimedia» more  HIM 1997»
14 years 1 months ago
Incremental Processing of Vague Queries in Interactive Retrieval Systems
The application of information retrieval techniques in interactive environments requires systems capable of efficiently processing vague queries. To reach reasonable response tim...
Ulrich Pfeifer, Stefan Pennekamp