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» Optimization strategies for complex queries
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SIGMOD
2009
ACM
201views Database» more  SIGMOD 2009»
15 years 10 months ago
Cost based plan selection for xpath
We present a complete XPath cost-based optimization and execution framework and demonstrate its effectiveness and efficiency for a variety of queries and datasets. The framework i...
Haris Georgiadis, Minas Charalambides, Vasilis Vas...
DMSN
2005
ACM
14 years 12 months ago
Timely data delivery in sensor networks using whirlpool
In this paper, we introduce a rotating interrogation technique for sensor networks called Whirlpool. Whirlpool provides opportunities to optimize data delivery in time-critical mo...
Divyasheel Sharma, Vladimir Zadorozhny, Panos K. C...
DMSN
2008
ACM
14 years 11 months ago
A substrate for in-network sensor data integration
With the ultimate goal of extending the data integration paradigm and query processing capabilities to ad hoc wireless networks, sensors, and stream systems, we consider how to su...
Svilen R. Mihaylov, Marie Jacob, Zachary G. Ives, ...
AAMAS
2010
Springer
14 years 10 months ago
Multi-goal economic search using dynamic search structures
This paper investigates cooperative search strategies for agents engaged in costly search in a complex environment. Searching cooperatively, several search goals can be satisfied w...
David Sarne, Efrat Manisterski, Sarit Kraus
JOT
2010
108views more  JOT 2010»
14 years 8 months ago
Extending Scala with Database Query Capability
Abstract The integration of database and programming languages is difficult due to the different data models and type systems prevalent in each field. We present a solution wher...
Miguel Garcia, Anastasia Izmaylova, Sibylle Schupp