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DEBU
2010
128views more  DEBU 2010»
13 years 7 months ago
Designing Database Operators for Flash-enabled Memory Hierarchies
Flash memory affects not only storage options but also query processing. In this paper, we analyze the use of flash memory for database query processing, including algorithms that...
Goetz Graefe, Stavros Harizopoulos, Harumi A. Kuno...
ICDE
2011
IEEE
273views Database» more  ICDE 2011»
13 years 2 months ago
Shortcut selection in RDF databases
—An increasing amount of data produced nowadays is in RDF format. While significant work has been performed on view selection and query optimization algorithms in relational dat...
Vicky Dritsou, Panos Constantopoulos, Antonios Del...
SIGMOD
2012
ACM
212views Database» more  SIGMOD 2012»
12 years 23 days ago
Local structure and determinism in probabilistic databases
While extensive work has been done on evaluating queries over tuple-independent probabilistic databases, query evaluation over correlated data has received much less attention eve...
Theodoros Rekatsinas, Amol Deshpande, Lise Getoor
WISE
2002
Springer
14 years 3 months ago
Evaluating and Enhancing Meta-Search Performance in Digital Libraries
Applying meta search systems is a suitable method to support the user if there are many different retrieval services available in the Web. Due to information splitting strategies ...
Bethina Schmitt, Sven Oberländer
COMAD
2009
13 years 11 months ago
A Simple and Scalable Filter for XML Streams
XML stream querying problem involves evaluating a given, potentially large, set of query expressions on a continuous stream of XML messages. Since the messages arrive continuously...
Abdul Nizar, G. Suresh Babu, P. Sreenivasa Kumar