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» A Meta-CSP Model for Optimal Planning
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ICDE
2012
IEEE
196views Database» more  ICDE 2012»
13 years 2 months ago
Scalable Multi-query Optimization for SPARQL
Abstract—This paper revisits the classical problem of multiquery optimization in the context of RDF/SPARQL. We show that the techniques developed for relational and semi-structur...
Wangchao Le, Anastasios Kementsietsidis, Songyun D...
VLDB
2005
ACM
139views Database» more  VLDB 2005»
15 years 5 months ago
Analyzing Plan Diagrams of Database Query Optimizers
A “plan diagram” is a pictorial enumeration of the execution plan choices of a database query optimizer over the relational selectivity space. In this paper, we present and an...
Naveen Reddy, Jayant R. Haritsa
WOSP
2010
ACM
15 years 6 months ago
SLA-driven planning and optimization of enterprise applications
We propose a model-based methodology to size and plan enterprise applications under Service Level Agreements (SLAs). Our approach is illustrated using a real-world Enterprise Reso...
Hui Li, Giuliano Casale, Tariq N. Ellahi
83
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EOR
2007
101views more  EOR 2007»
14 years 11 months ago
Using aggregation to optimize long-term production planning at an underground mine
Motivated by an underground mining operation at Kiruna, Sweden, we formulate a mixed integer program to schedule iron ore production over multiple time periods. Our optimization m...
Alexandra M. Newman, Mark Kuchta
SIGMOD
2006
ACM
232views Database» more  SIGMOD 2006»
15 years 12 months ago
To search or to crawl?: towards a query optimizer for text-centric tasks
Text is ubiquitous and, not surprisingly, many important applications rely on textual data for a variety of tasks. As a notable example, information extraction applications derive...
Panagiotis G. Ipeirotis, Eugene Agichtein, Pranay ...