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» Query Optimization in Database Grid
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EDBT
2009
ACM
156views Database» more  EDBT 2009»
14 years 2 months ago
Evaluating very large datalog queries on social networks
We consider a near future scenario in which users of a Web 2.0 application, such as a social network, contribute to the application not only data, but also rules which automatical...
Royi Ronen, Oded Shmueli
ICDE
2004
IEEE
85views Database» more  ICDE 2004»
14 years 11 months ago
A Frequency-based Approach for Mining Coverage Statistics in Data Integration
Query optimization in data integration requires source coverage and overlap statistics. Gathering and storing the required statistics presents many challenges, not the least of wh...
Zaiqing Nie, Subbarao Kambhampati
ICDE
2010
IEEE
172views Database» more  ICDE 2010»
13 years 9 months ago
On the use of query-driven XML auto-indexing
— Autonomous index management in native XML DBMSs has to address XML’s flexibility and storage mapping features, which provide a rich set of indexing options. Change of worklo...
Karsten Schmidt 0002, Theo Härder
ICDE
2008
IEEE
132views Database» more  ICDE 2008»
14 years 11 months ago
Greedy List Intersection
A common technique for processing conjunctive queries is to first match each predicate separately using an index lookup, and then compute the intersection of the resulting rowid li...
Robert Krauthgamer, Aranyak Mehta, Vijayshankar Ra...
XIMEP
2006
ACM
161views Database» more  XIMEP 2006»
14 years 3 months ago
Programming with XQuery
XQuery is a declarative language for querying and updating XML data sources. Interfacing XQuery to a host programming language is difficult because of the type system mismatch, an...
Donald D. Chamberlin, Michael J. Carey, Daniela Fl...