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ICDCS
2007
IEEE
15 years 6 months ago
Efficient Execution of Continuous Incoherency Bounded Queries over Multi-Source Streaming Data
On-line decision making often involves query processing over time-varying data which arrives in the form of data streams from distributed locations. In such environments typically...
Manish Bhide, Krithi Ramamritham, Mukund Agrawal
CGF
2004
113views more  CGF 2004»
15 years 2 months ago
Coherent Hierarchical Culling: Hardware Occlusion Queries Made Useful
We present a simple but powerful algorithm for optimizing the usage of hardware occlusion queries in arbitrary complex scenes. Our method minimizes the number of issued queries an...
Jirí Bittner, Michael Wimmer, Harald Piring...
VLDB
2002
ACM
98views Database» more  VLDB 2002»
15 years 2 months ago
Processing Star Queries on Hierarchically-Clustered Fact Tables
Star queries are the most prevalent kind of queries in data warehousing, OLAP and business intelligence applications. Thus, there is an imperative need for efficiently processing ...
Nikos Karayannidis, Aris Tsois, Timos K. Sellis, R...
PVLDB
2008
107views more  PVLDB 2008»
15 years 1 months ago
A pay-as-you-go framework for query execution feedback
Past work has suggested that query execution feedback can be useful in improving the quality of plans by correcting cardinality estimation errors in the query optimizer. The state...
Surajit Chaudhuri, Vivek R. Narasayya, Ravishankar...
ICOODB
2009
246views Database» more  ICOODB 2009»
15 years 5 days ago
Compiler Plugins Can Handle Nested Languages: AST-Level Expansion of LINQ Queries for Java
The integration of database and programming languages is made difficult by the different data models and type systems prevalent in each field. Functional-object query languages con...
Miguel Garcia