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SIGMOD
2003
ACM
136views Database» more  SIGMOD 2003»
16 years 2 months ago
A Characterization of the Sensitivity of Query Optimization to Storage Access Cost Parameters
Most relational query optimizers make use of information about the costs of accessing tuples and data structures on various storage devices. This information can at times be off b...
Frederick Reiss, Tapas Kanungo
SIGMOD
2002
ACM
129views Database» more  SIGMOD 2002»
16 years 2 months ago
Dwarf: shrinking the PetaCube
Dwarf is a highly compressed structure for computing, storing, and querying data cubes. Dwarf identifies prefix and suffix structural redundancies and factors them out by coalesci...
Yannis Sismanis, Antonios Deligiannakis, Nick Rous...
SIGMOD
2001
ACM
136views Database» more  SIGMOD 2001»
16 years 2 months ago
Selectivity Estimation using Probabilistic Models
Estimating the result size of complex queries that involve selection on multiple attributes and the join of several relations is a difficult but fundamental task in database query...
Lise Getoor, Benjamin Taskar, Daphne Koller
115
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EDBT
2008
ACM
122views Database» more  EDBT 2008»
16 years 2 months ago
Semantic peer, here are the neighbors you want!
Peer Data Management Systems (PDMSs) have been introduced as a solution to the problem of large-scale sharing of semantically rich data. A PDMS consists of semantic peers connecte...
Wilma Penzo, Stefano Lodi, Federica Mandreoli, Ric...
MOBIHOC
2007
ACM
16 years 2 months ago
Balancing traffic load in wireless networks with curveball routing
We address the problem of balancing the traffic load in multi-hop wireless networks. We consider a point-to-point communicating network with a uniform distribution of source-sink ...
Lucian Popa 0002, Afshin Rostamizadeh, Richard M. ...
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