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168
Voted
SIGMOD
2009
ACM
114views Database» more  SIGMOD 2009»
16 years 1 months ago
A framework for testing query transformation rules
In order to enable extensibility, modern query optimizers typically leverage a transformation rule based framework. Testing individual rule correctness as well as correctness of r...
Hicham G. Elmongui, Vivek R. Narasayya, Ravishanka...
116
Voted
ICSOC
2003
Springer
15 years 6 months ago
Service-Based Distributed Querying on the Grid
Service-based approaches (such as Web Services and the Open Grid Services Architecture) have gained considerable attention recently for supporting distributed application developme...
M. Nedim Alpdemir, Arijit Mukherjee, Norman W. Pat...
SIGMOD
2010
ACM
364views Database» more  SIGMOD 2010»
15 years 5 months ago
Optimizing schema-last tuple-store queries in graphd
Current relational databases require that a database schema exist prior to data entry and require manual optimization for best performance. We describe the query optimization tech...
Scott M. Meyer, Jutta Degener, John Giannandrea, B...
PDIS
1996
IEEE
15 years 5 months ago
Capabilities-Based Query Rewriting in Mediator Systems
Users today are struggling to integrate a broad range of information sources providing di erent levels of query capabilities. Currently, data sources with di erent and limitedcapa...
Yannis Papakonstantinou, Ashish Gupta, Laura M. Ha...
88
Voted
STACS
1997
Springer
15 years 5 months ago
Predecessor Queries in Dynamic Integer Sets
We consider the problem of maintaining a set of n integers in the range 0::2w ? 1 under the operations of insertion, deletion, predecessor queries, minimum queries and maximum quer...
Gerth Stølting Brodal